BACKGROUND: Adhesive capsulitis is a debilitating condition which causes the capsule of the gleno-humeral joint to thicken and contract progressively. The effectiveness of various non-operative methods has been demonstrated to improve the pain, range of motion (ROM) and functional status of patients with adhesive capsulitis. OBJECTIVE: This study aims to review recent evidence on the efficacy of physiotherapy interventions in the treatment of adhesive capsulitis. METHODS: PubMed, Physiotherapy Evidence Database (PEDro), Science Direct and Cochrane databases were searched for studies published since 2013. The search terms included: Frozen shoulder, adhesive capsulitis, physical therapy, rehabilitation, manual therapy, mobilization, exercise, education, and electrotherapy. The search was limited to studies published in English and studies that used human subjects. RESULTS: Quality scores of 33 articles were reviewed according to the Sackett’s critical appraisal criteria and the grades of recommendation were determined for physiotherapy interventions used in the studies. CONCLUSION: The empirical evidence suggests that certain physical therapy techniques and modalities are strongly recommended for pain relief, improvement of ROM, and functional status in patients with adhesive capsulitis, while others are either moderately or mildly recommended. However, the efficacy of one treatment modality over another is uncertain. The poor methodological rigors demonstrated in most of the reviewed studies emphasize the urgent need of properly conducted, adequately sampled randomized controlled trials with adequate follow up to determine the superior combination of treatment.
BACKGROUND: The patellar and quadriceps tendons are responsible for the extension mechanism of the knee joint and frequently become inflamed during sports. Diagnosis and determination of when an athlete can return to sports following these injuries are usually performed by assessing morphological features and functional outcomes. Nevertheless, mechanical properties are not being assessed. OBJECTIVE: To describe the stiffness characteristics of these two tendons over the range of knee flexion and to test the feasibility of using strain ultrasound elastography (SE). METHODS: SE with an acoustic coupler as the reference was performed for nine healthy males. Relative stiffness measurements were obtained using the strain ratio (SR = target tissue strain/reference strain) by placing the knee in five different flexion angles. Lower SR indicates higher relative stiffness. RESULTS: This study showed reliable measurement with good intra- and inter-rater agreement for SR at 30°. SR of the quadriceps tendon decreases as knee flexion increases, indicating increased relative stiffness. In the patellar tendon, no significant difference was observed between 30° and 60°. Beyond 60°, relative stiffness increased constantly. CONCLUSIONS: SE is a reproducible and feasible tool to monitor relative stiffness of the patellar and quadriceps tendons in routine clinical settings.
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