Does the Trunk Stability Push-Up Provide an Effective Measure of Upper-Body Function Specific to Male Team Sport Athletes? Study background: The trunk stability push-up (TSPU) is a closed-chain test that can measure upper-body functional strength, but may not relate to sport-specific performance. The bilateral medicine ball chest pass (MBCP) is a more sport-specific openchain assessment. This research investigated whether the TSPU related to bilateral MBCP to determine whether it was a valid test of team sport upper-body function. The bilateral MBCP is a more effective test of upperbody function than the TSPU, and can discriminate between athletes with different upper-body function. This assessment related to the unilateral MBCP and TSPU, indicating its applicability for team sports.