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Context :  A recent report demonstrated moderate to strong relationships between seated single-arm shot-put (SSASP) test performance and isokinetic pushing forces at varying velocities, directly supporting the SSASP test as a reflection of multijoint upper-extremity strength. Yet, no previous work appears to have assessed whether the SSASP test is more reflective of shoulder flexion or elbow extension strength.   Objective :  To examine the relationship between isokinetic shoulder flexion and elbow extension strength and SSASP test performance and to compare limb symmetry indices (LSI) between the 2 tests.   Design :  Correlational design.   Setting :  Biomechanics laboratory.   Patients (or Other Participants) :  A total of 30 healthy and physically active young adults.   Intervention(s) :  Participants completed the SSASP test and concentric isokinetic (60°/s and 180°/s) shoulder flexion and elbow extension using their dominant and nondominant arms.   Main Outcome Measures :  SSASP test performance and isokinetic shoulder flexion and elbow extension peak torques as well as LSI between the 2 tests.   Results :  Strong relationships were observed between SSASP ranges and isokinetic peak torques at each velocity for both shoulder and elbow ( r  ≥ .804,  P  &lt; .001). While the Bland–Altman results on the LSI only demonstrated a significant bias for the shoulder (60°/s,  P  = .009), limits of agreement results demonstrated extremely wide intervals (32.5%–52.1%).   Conclusions :  The SSASP test is a multijoint upper-extremity functional performance test that is reflective of equal shoulder flexion and elbow extension contributions; however, there was large variability regarding the agreement between the SSASP LSI and isokinetic shoulder and elbow strength LSI.

Relationship Between Seated Single-Arm Shot Put and Isokinetic Shoulder Flexion and Elbow Extension Strength