Comparison of a dedicated body-worn inertial system and a smartphone for shoulder function and arm elevation evaluation

Pichonnaz, Claude; Duc, Cyntia; Jaccard, Hervé; Ancey, Céline; Lécureux, Estelle; Aminian, Kamiar; Farron, Alain; Jolles, BM; Gleeson, Nigel

doi:10.1016/j.physio.2015.03.2133

Cited by 2 publications

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“…We have investigated the validity and the reliability of the shoulder function B-B Score measured with a smartphone in a preliminary phase of the present study. It was demonstrated that a smartphone produced comparable group measurements to an inertial sensor-based body-worn system [ 10 ]. However, the ability of the score to evaluate the patient’s progression and to differentiate the results according to pathologies have not been investigated yet.…”

Section: Introductionmentioning

confidence: 99%

Measurement Properties of the Smartphone-Based B-B Score in Current Shoulder Pathologies

Pichonnaz

Duc

Gleeson

et al. 2015

Sensors

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This study is aimed at the determination of the measurement properties of the shoulder function B-B Score measured with a smartphone. This score measures the symmetry between sides of a power-related metric for two selected movements, with 100% representing perfect symmetry. Twenty healthy participants, 20 patients with rotator cuff conditions, 23 with fractures, 22 with capsulitis, and 23 with shoulder instabilities were measured twice across a six-month interval using the B-B Score and shoulder function questionnaires. The discriminative power, responsiveness, diagnostic power, concurrent validity, minimal detectable change (MDC), minimal clinically important improvement (MCII), and patient acceptable symptom state (PASS) were evaluated. Significant differences with the control group and significant baseline—six-month differences were found for the rotator cuff condition, fracture, and capsulitis patient groups. The B-B Score was responsive and demonstrated excellent diagnostic power, except for shoulder instability. The correlations with clinical scores were generally moderate to high, but lower for instability. The MDC was 18.1%, the MCII was 25.2%, and the PASS was 77.6. No floor effect was observed. The B-B Score demonstrated excellent measurement properties in populations with rotator cuff conditions, proximal humerus fractures, and capsulitis, and can thus be used as a routine test to evaluate those patients.

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Section: Introductionmentioning

confidence: 99%