Grasslin Uni 45 Manual Muscle
BackgroundDespite the multidirectional quality of human movement, common measurement procedures used in physical therapy examination are often uni-planar and lack the ability to assess functional complexities involved in daily activities. Currently, there is no widely accepted, validated standard to assess movement quality.
The Selective Functional Movement Assessment (SFMA) is one possible system to objectively assess complex functional movements. The purpose of this case report is to illustrate the application of the SFMA as a guide to the examination, evaluation, and management of a patient with non-specific low back pain (LBP).
BACKGROUND and PURPOSENon-specific low back pain (LBP) is a diagnosis frequently encountered in outpatient orthopedic settings that presents a challenge for both patients and healthcare professionals. LBP is the most commonly reported musculoskeletal complaint among American adults with greater than one in four reporting symptoms in the previous three months. Studies have shown that by age fifteen, the incidence of LBP is as high as 36% among adolescents and even more prevalent in those who participate in sports. The majority of these cases lack an underlying pathoanatomic diagnosis and are classified as non-specific LBP.Despite emphasis on movement and function in physical therapy (PT), traditional examination and evaluation procedures tend to be heavily geared toward measurements of motion in a single plane or isolated assessment of strength of one muscle in order to attempt to identify a patho-anatomic source of pain, lacking the qualitative evaluation of movement patterns as a whole. When considering the composition of musculoskeletal examination, the American Physical Therapy Association's Guide to Physical Therapy practice includes only gross range of motion and strength and lacks specific outcome measures of movement quality. Only one study has looked at the psychometric properties of the Selective Functional Movement Assessment (SFMA) and it has been shown to have almost perfect intra-rater reliability and good inter-rater reliability among experienced clinicians when used as a movement-based diagnostic tool that provides clinicians with a standard to identify movement dysfunction in patients with known musculoskeletal injury. This objective system assists the healthcare professional in applying a qualitative approach, in parallel with quantitative measurements, in order to guide treatment of musculoskeletal pain and associated movement dysfunction using targeted interventions.
The SFMA is rooted in the theory of Regional Interdependence which views all regions of the body as being “musculoskeletally linked”. Accordingly, seemingly unrelated impairments in remote regions may be the cause of a patient's reports of pain but may go unidentified if the examination is focused on isolated localized movements alone. The SFMA consists of a series of ten functional movements designed to assess fundamental movement patterns of individuals with known musculoskeletal pain. HistoryThe subject signed an informed consent to allow use of his personal medical information for this case report. The subject was an 18 year-old male who had just finished his first year of college and was referred to outpatient PT by his primary care provider with a chief complaint was intermittent low back pain. He reported that the pain had been present for the prior two years, and had become worse in the last three months, including new onset of symptoms in the posterolateral left hip.
The subject was an avid weight lifter and participated on his college soccer team. At the time of evaluation he had decreased his lifting frequency from five days a week to two and had significantly adjusted his exercise routine due to his pain; however, he was still playing soccer two to three times a week.
The subject reported increased pain and stiffness following weight lifting and sports which were reduced with Ibuprofen and activity modifications. He was otherwise independent in all activities of daily living despite some discomfort. The subject reported his primary goal was to be pain-free with activity so he could return to his full pre-season lifting schedule and full participation in collegiate-level soccer. Clinical Impression 1The subject's general complaints of LBP for two years and recent left hip pain could be the result of many possible diagnoses; however, he did not present with any red flag signs and therefore had not undergone any diagnostic imaging at the time of evaluation.
Based on his complaints, the working differential diagnoses included facet joint dysfunction, intervertebral disc pathology, lumbar strain, sacroiliac joint dysfunction, hip muscular strain, impingement, and/or hip bursitis. The subject was referred to PT to identify and treat the source of his LBP. Based on history, it was suspected that the subject may have had muscle imbalances in the lumbopelvic region leading to LBP with activity. Tests & MeasuresSignificant results from initial exam and discharge can be seen in. The subject was assessed via the SFMA top-tier patterns in order to identify functional movement deficits. A detailed explanation of the administration and interpretation of the SFMA top-tier movements can be found in Appendix A. Results of the SFMA top-tier screening revealed dysfunctional/non-painful movement (DN) in six of the ten motions.
He was limited in multi-segmental patterns (including flexion, extension, and rotation), cervical and upper extremity (UE) patterns as well as ability to perform a deep squat. Dysfunctional movement in these patterns can suggest mobility limitations, stability dysfunction or both. Mobility limitations can be categorized as tissue extensibility or joint mobility dysfunction. Stability dysfunctions are more complex and also referred to as a “motor control dysfunction” within the SFMA system. Stability is affected by multiple factors or systems including, but not limited to, the central and peripheral nervous systems, the proprioceptive system, postural alignment, structural integrity, and muscular inhibition, rather than focusing solely on the absolute strength of the stabilizer muscles.
Mobility and stability limitations frequently coincide, as the body may sacrifice mobility in one region in an attempt to achieve a compensatory “pseudo-stabilization” in another. Based on top-tier results, therapists performed abbreviated versions of the SFMA breakouts over the course of the first two visits in order to narrow down the source of the movement dysfunction.
Full details of each breakout is beyond the scope of this manuscript, however, specific follow-up testing using parts of each break out was performed in order to assess mobility and stability impairments (Appendix B). FN = Functional/Non-painful, DN = Dysfunctional/Non-Painful, LRA = Lateral Rotation/Abduction, MRE = Medial Rotation/Extension, MSF = Multi-segmental Flexion, MSE = Multi-segmental Extension, MSR = Multi-segmental Rotation, ROM = range of motionAll special tests and measures were performed according to O'Sullivan and Magee. Using a verbal numeric pain rating scale, the subject reported his pain was a 7/10 at worst, 2/10 at best and a 3/10 at the time of examination. To identify regional sources of dysfunctional patterns, and whether they were due to mobility or stability issues, special tests for soft tissue extensibility of the hip were performed along with a joint mobility assessment of the spine.
Special tests were positive for decreased soft tissue extensibility around the hip including the Modified Thomas Test and 90/90 Straight Leg Raise Test. The Modified Thomas Test was graded as a pass/fail, based on whether the test-leg angle at the knee was greater or less than 90 ° and was an indication that the quadriceps and hip flexors were contributing to limited hip mobility, in particular multi-segmental extension. FABER's Test was negative for pain provocation and was used to rule out pathology of the hip joint but was positive for ROM restriction. The 90/90 Straight Leg Raise Test was performed to asses posterior chain flexibility and was found to be positive for decreased hamstring extensibility determined by a knee angle less than 125 ° and was a likely contributor to limited multi-segmental flexion. Decreased joint mobility throughout the thoracic spine was noted to be 2/6 during accessory motion assessment using anterior-posterior glides at the spinous processes.
Thoracic spine motion was evaluated due to its generally accepted influence on motion of the lumbar spine and lack of thoracic curvature noted with multi-segmental flexion. Isometric break manual muscle tests of the hips were performed bilaterally to assess stability and revealed asymmetrical strength with the right being one-half grade stronger than the left throughout all planes. This method of strength testing has been shown to be both reliable and valid. Postural analysis via visual assessment revealed increased thoracic kyphosis and forward shoulders as well as a moderately increased anterior pelvic tilt and lumbar lordosis in standing. Excessive anterior pelvic tilt remained during gait analysis but gait was otherwise unremarkable. Functional gait analysis has been found to be moderately reliable.
Hip and sacroiliac (SI) joint pathologies were ruled out using the Hip Scouring Test and Gaenslen's Test, respectively. The Hip Scouring Test is a valid and reliable test to detect hip pathology such as impingement.
Gaenslen's test has been shown to be reliable (test-retest k = 0.46) based on multiple studies as part of a battery of tests to identify SI joint lesions., Additionally, SI joint misalignment and leg-length discrepancy were ruled out by palpation and visual observation using the Weber-Barstow Method. The Slump Test, which is valid and reliable for adverse neural tension, was negative. Facet pathology was ruled out using the Quadrant Test despite literature indicating its poor diagnostic accuracy of this method. A Straight Leg Raise Test was also performed during hamstring length assessment and found to be negative, ruling out disc pathology. Palpation revealed tenderness and myofascial density throughout the bilateral erector spinae, quadratus lumborum, gluteus maximus and medius.
Therapists assessed core stability using an alternating quadruped (bird dog) exercise; the subject had difficulty maintaining a neutral spine with dynamic motion suggesting underlying core stability deficits. After ruling out hip, SI, facet and disc pathology, the therapists hypothesized that the subject's pain was due to improper movement patterns as a result of the muscular and ROM imbalances identified during examination. Clinical Impression 2Examination findings confirmed the hypothesis that the subject had functional movement pattern dysfunctions contributing to his LBP. Based on SFMA and special test findings of decreased mobility in the hips, thoracic spine and shoulder girdle, therapists hypothesized that the lumbar spine was moving excessively as compensation for this lack of motion. His stability and mobility limitations were consistent with the joint-by-joint theory which argues that joints alternate in their primary role from stability to mobility and when a joint isn't able to carry out it's typical mobility or stability role, the next joint in the chain eventually will. The subject displayed limited functional mobility at the hips, thoracic spine and shoulder which, according to this theory, function primarily as mobile joints while the lumbar spine serves primarily as a stable junction between the thoracic spine and pelvis.
Therapists hypothesized that dysfunctional movements identified in basic SFMA patterns indicated a poor fundamental foundation for proper movement, causing excessive compensation at the lumbar spine.Dysfunctional patterns could be the result of a true mobility deficit stemming from either limited soft tissue extensibility or joint mobility, or due to increased muscular tone as a result of an unstable segment. As seen in Appendix B, based on active and passive flexibility testing in supported postures with associated muscular end-feel and the results of special tests, it was believed the primary reason for decreased mobility at the hip was soft tissue extensibility and the thoracic spine limitations were due to impaired gross vertebral joint mobility. Based on the subject's inability to maintain and control pelvic tilt and lumbopelvic positioning during exercise activities (for example an inability to maintain a neutral spine while performing quadruped stability exercises) the therapists believed based on clinical experience there were also underlying core stability deficits contributing to excessive stress at the lumbopelvic junction. This may have resulted in his gross increase in tone as a means to restore or impose stability using the global musculature.
However, it was decided this was a secondary dysfunction that would be addressed at a later point once proximal and distal mobility had been restored.The therapists also believed that a major contributor to limited UE ROM was restricted thoracic spine extension as the subject was only limited in the functional (combined) pattern and had full motion for both shoulder extension and internal rotation assessed in isolation. The working hypothesis was that these limitations had caused this subject to load his lumbar spine in a hyperextended and unstable position when weight training, resulting in excessive pressure.
PrognosisThe subject was a good candidate for PT due to his age, active lifestyle and motivation. In considering prognostic factors for recovery, chronicity was a negative factor, but the subject's young age was a positive factor. With improved mobility, stabilization exercises, postural modification and corrected movement patterns, it was anticipated that the subject's symptoms would subside, allowing him to meet his long-term goal of return to full activity with proper form and mechanics.
Discharge criteria included being pain-free at rest and with exercise and attainment of a score of 14 or better on the Functional Movement Screen (FMS™) that indicated the subject was no longer at increased risk of injury with return to activity. Patient/client related instructionTherapists communicated to the subject that the plan of care (POC) was to alleviate symptoms first before progressing to mobility, then stability exercises. The subject was educated on what therapists hypothesized was contributing to his LBP. Therapists suggested to the subject that he avoid activities that caused pain and highly recommended he reduce the number of soccer games he was playing while continuing to adjust his weight training program. Finally, the subject was given an initial home exercise program (HEP) which included foam rolling for the hamstrings and quadriceps, a standing hamstring stretch, and half kneeling rear foot elevated hip flexor stretch to address soft tissue extensibility limitations present at the hip.
Thoracic spine extension over a foam roller was incorporated to address general thoracic vertebral joint hypomobility. Finally, spine flexion/extension in quadruped was used to incorporate proprioceptive feedback during performance of controlled lumbopelvic motions while also integrating diaphragmatic breathing for its role in stabilization of the spine. The subject confirmed he understood the POC, HEP and discharge criteria. Procedural interventionsThe subject was seen for 13 visits over nine weeks.
Axis bank. Visits ranged from 45 minutes to one hour in duration and began with one to two visits per week initially, then one visit per week during the last three weeks. Interventions, based on categories put forth by the Guide to Physical Therapist Practice, included manual therapy, motor function training, and therapeutic exercises.
Grasslin Uni 45 Manual Muscle Problems
Manual therapy techniques included soft tissue massage, spinal mobilization, high velocity manipulation of the spine, and passive ROM. Motor function training was incorporated into most exercises in the form of neuromuscular re-education for improved postural stabilization. Therapeutic exercises incorporated into the POC included flexibility, strength and power exercises, and breathing strategies.Therapists initially prioritized pain relief in the lumbar region for the initial one to three weeks, theorizing that pain would disrupt normal movement patterns and cause continued dysfunction. Pain was treated using soft tissue massage to lumbar paraspinals and breathing techniques which were effective in minimizing pain.
This same rationale was applied to the decision to attain full ROM of all limited patterns, which was the focus of weeks three to six, before performing stability exercises. Based on clinical experience the therapists believed attempting exercises with limited range would also result in altered movement patterns.
Interventions carried out were from one of three categories including “resets” such as modalities or stretching to decrease pain or restore mobility, followed by a “reinforcement” exercise which incorporated newly gained ROM into a motion to protect the reset gains, and finally “reloading” movements which would integrate new gains into a functional pattern using therapeutic exercise. An example of this progression for the subject would be hamstring stretching as a mobility “reset”, followed by performance of toe touches with heels elevated to reinforce hamstring length and pattern a posterior weight shift, and finally “reloading” via completion of a proper deadlift with adequate posterior weight shift of the pelvis in order to strengthen within the corrected movement pattern.To begin every treatment session, the subject was assessed using each of the SFMA top tier movements that were dysfunctional during the previous visit in order to guide treatment.
Reports of pain were addressed with soft tissue massage, positioning and breathing techniques or spinal manipulation. Limited motion or soft tissue extensibility was addressed using sustained stretching including rear foot elevated hip flexor stretches and contract relax stretching for the hamstrings.
Grasslin Uni 45 Manual Muscle System
Joint mobility restrictions were treated with high velocity spinal manipulation of the upper thoracic spine in supine or grade IV P-A glides of the vertebrae throughout the thoracic spine in prone.,Once mobility was normalized, as determined by a re-evaluation of special testing, limitations in lumbopelvic control during movement became more apparent; likely due to a loss of secondary stability that was being provided by tightness in hip musculature. This was addressed with static stability exercises such as planks which were progressed to dynamic core stability exercises that incorporated extremity movements while maintaining pelvic control such as ½ kneeling diagonal chops and lifts with resistance bands. Stability exercises were progressed based on neurodevelopmental sequencing beginning with a posture that provided more support, such as quadruped or ½ kneeling, to positions demanding more motor control and balance such as asymmetrical split-stance or single-leg stance. The therapists believed that if the subject could not display effective motor control in foundational (lower level developmental) positions, he likely would compensate in more complex (higher level developmental) patterns leading to continued stress on his back. Therefore a stability progression, with a goal of return to power lifting activities, began with cat-camel pelvic tilting to increase proprioceptive sense of a neutral spine. This neutral position was then progressed and strengthened dynamically with alternating upper and lower extremity motion in quadruped.
The subject was then challenged to load his spine in this position by shifting his weight into a stability ball and maintaining a neutral pelvis and spine. Once he demonstrated good control of his pelvis with loading to the spine, he was progressed to double leg squatting and deadlifting with kettlebells, followed by asymmetrical lunging and single leg exercises in order to continue to strengthen his hips and promote core stability in more challenging positions. Once the subject could consistently perform these activities with a stabile pelvis, and without excessive lumbar extension, he was progressed to powerlifting with a barbell and finally to sport-specific training for soccer.Initially the therapists focused on restoring multi-segmental patterns for flexion and extension as these were most limited. These patterns were cleared for mobility issues and pain in the first five sessions using manual therapy techniques and as a result of the subject's commitment to his HEP. These gains were maintained for all subsequent visits and stability exercises were progressed as previously described. Despite patterns being functional, the subject continued to demonstrate excessive lumbar lordosis with advanced exercises. As seen in Appendix C, focus was then shifted to UE movement patterns which were limited in the medial rotation and extension pattern, primarily on the right side.
Based on clinical experience and the joint-by-joint theory it was hypothesized that limited motion was promoting compensation with excessive lumbar extension when under a barbell., Shoulder ROM improved in subsequent treatment sessions, and when combined with previously mentioned core stabilizing neuromuscular-reeducation exercises, the excessive lumbar compensation during power lifts was resolved. Appendix C shows all procedural interventions and progressions performed during each visit.The subject was sent home to progress his activity over two weeks, then return for a reevaluation. At that time, the subject reported being pain-free with activity and was screened using the FMS™. The subject met his long-term goal of pain-free weight lifting as well as the therapist's criteria for discharge based on FMS™ scoring and was discharged with an updated HEP after ensuring proper technique with deadlift and squat. OUTCOMESThe subject of this case report showed significant improvements in pain (exceeding MCID), ROM (based on special tests and movement patterns), strength, and subjective motor control, achieving his long-term goal of a full pain-free return to weight lifting and soccer.
Additionally, he met both long-term goals set forth by therapists which included 5/5 symmetrical strength in bilateral hips and an FMS™ score ≥ 14 with no asymmetries or 0's. Thoracic spine joint mobility (T1 – T12) went from a 2/6 to a 3/6 based on a P-A glide assessment and hip mobility improved bilaterally based on special tests. The subject received a designation of DN on nine of the ten SFMA movement patterns at initial evaluation and only one (right UE pattern) at discharge. Most notably, at discharge the subject reported 0-2/10 pain, improved from 2-7/10 at initial examination. The subject demonstrated improved form with deadlifting, with control of his pelvis and decreased lumbar lordosis. Outcomes at initial examination and discharge are detailed in. DISCUSSIONThis case report outlines the application of the SFMA and theory of Regional Interdependence to guide initial examination, POC development, exercise selection and discharge criteria for a subject with LBP.
Utilizing treatment principles suggested by the creators of the SFMA, this subject made significant improvements over the course of his nine week episode of care which allowed him to return to sports and weight lifting without pain. Emphasis placed on regaining mobility in his hips, mostly through his commitment to the HEP, appeared to be a major contributing factor to his decrease in symptoms.
The effects seen after gains in mobility further supports the previously noted relationship between hip ROM restrictions and LBP. Once hip mobility was restored, emphasis was placed upon motor control to maintain stability at the lumbopelvic junction, which therapists believed may have been artificially created by the increased tissue tightness in his hips and thoracic spine as opposed to a true active stability. According to a supposition by Cook, limited hip motion has been assumed to cause back pain, however, instability in the back may in fact have facilitated “apparent hip tightness” that serves as a “secondary brace” to allow for continued function, even if it reduces mobility.
This works in agreement with the joint-by-joint theory, wherein a possible instability at the lumbar spine may have created compensatory stability through increased tone at the joints above and below. It is difficult to determine which came first; therefore it was necessary to focus on maintaining a stabile spine once mobility was restored.The primary hypothesis was that improved motor control and core stability in addition to the subject's newly acquired functional mobility, would allow him to return to athletics without risk of re-injury. To accomplish this, therapists sought to establish basic functional movement patterns which serve as the foundation for higher movement skills such as weight lifting and soccer. The goal of targeting movement pattern interventions was to attempt to resolve total body impairments, such as those identified by the SFMA. The SFMA helped to guide therapists away from the tendency to treat one pathological structure in a region such as the back, and instead identify non-painful impairments in regions adjacent to the site of pain that required intervention. We believe that this approach may help avoid falling into a continued cycle of recurring dysfunction and chronic pain by identifying the cause of pain rather than dealing with local symptoms.The SFMA and FMS™ provide a means to both assess painful movement and screen pain-free movement. The two systems as a whole identify subtle impairments in movement patterns of the active individual, the correction of which theoretically results in decreased recurrence of injury.
Currently only one study has looked at psychometric properties of the SFMA and it demonstrated poor to good reliability among novice evaluators and very good reliability in experienced users. However, responsiveness to change and validity of the SFMA has yet to be explored. Further investigation of the application of the SFMA and associated outcomes in various musculoskeletal injuries is needed.
Validation of the SFMA as a clinical outcome tool has the potential to function as an adjunct to the current medical/pathoanatomic examination model, with the potential to serve as a standard for the assessment of functional movement patterns. LIMITATIONSTypical of case reports, the single subject design limits the relevance of these results when considering similar patients. Interventions based upon the SFMA proposed intervention system can vary greatly between therapists, as there is no definitive treatment prescription related to specific findings, and therefore intervention choices are dependent upon practitioner judgement, experience, and personal equipoise. As a result, each PT may have different approaches for interventions.
Therefore it is not known if other treatments for this patient would have resulted in similar outcomes. CONCLUSIONSThis case report demonstrates the effective use of the SFMA as a method or system used to qualitatively analyze movement at initial examination, and throughout the treatment process, and to direct subsequent intervention choices. In this case, the SFMA helped therapists to recognize dysfunctional movements that were present in subsequent regions that were not seen with more conventional examination procedures. While the ability to establish a cause-and-effect relationship is limited in this single subject, in this instance the SFMA presented an effective framework for the evaluation and treatment of an athlete with non-specific low back pain.
Appendix A: SFMA Instructions, Patterns & Criteria.The SFMA is meant to be used for a patient with pain, unlike the FMS™ which is a pain-free screen. It uses movement to provoke symptoms and demonstrate dysfunction.The assessment consists of ten basic movements that are standardized for classification. Cervical PatternsCervical FlexionInstructions: Stand erect with feet together, toes pointing forward. Touch chin to chest with mouth closed.Criteria:Chin touches sternum with mouth closedEvaluating: available cervical flexion including occipital-axis mobilityBreakout: Active supine cervical flexion → passive supine cervical flexion → active atlanto-occipital supine cervical flexionCervical ExtensionInstructions: Stand erect with feet together, toes pointing forward. Patient instructed to extend neck back as far as they can.Criteria:Head reaches 10 ° of parallelEvaluating: available cervical spine extensionBreakout: supine cervical extensionCervical Rotation (R + L)Instructions: Stand erect with feet together, toes pointing forward. Patient rotates the head as far as possible, then flexes the neck moving chin to collarbone.Criteria:.Chin touches mid-clavicleEvaluating: amount of available cervical spine rotation and lateral flexion in a pattern which combines both movements.Breakout: active supine cervical rotation → passive cervical rotation → supine C1-C2 passive cervical rotation.
Upper Extremity PatternsMedial Rotation-Extension (MRE) Pattern (R + L)Instructions: Stand erect with feet together, toes pointing forward. Reach back and up spine with arm to try and touch opposite shoulder blade.Criteria:.Touches inferior angle of contralateral scapulaEvaluating: internal rotation, extension and adduction of shoulder complexLateral Rotation–Abduction (LRA) Pattern (R + L)Instructions: Stand erect with feet together, toes pointing forward. Reach behind head and down spine to touch opposite shoulder blade.Criteria:.Touches spine of contralateral scapulaEvaluating: external rotation, flexion and abduction of the shoulderUE Breakouts: Active pattern in prone → passive pattern in prone → supine reciprocal pattern. Multi-Segmental PatternsInstructions: Stand erect with feet together and shoes off, toes pointing forward. Bend forward to touch toes and come back to standing.Criteria:.Touches toes and returns to standing position.Sacral angle is 70°.Presence of posterior weight shift (T-L junction over foot).Uniform spinal curvesEvaluating: flexion of the hip and spineBreakout: Single leg forward bend → toe touch in long sitting →→ Mobility Breakout: Prone rocking OR Active straight leg raise → Passive straight leg raise → supine knee to chest→ Stability Breakout: rolling patternsMulti-segmental Flexion (MSF)Instructions: Stand erect with feet together and shoes off, toes pointing forward. Bend forward to touch toes and come back to standing.Instructions: Stand erect with feet together and shoes off, toes pointing forward.
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