Objective To investigate the prognostic capacity of individual hop tests, hop test batteries and other unilateral functional performance tests following anterior cruciate ligament (ACL) injury. Design ...

People may not hop backward often, but a new study shows that having people hop backward on one leg can be a better way of measuring strength and recovery in the knee, as well as other joints and ...

LAWRENCE — Sometimes you have to take a step backward to move forward. Or, in the case of patients recovering from ACL reconstruction, a hop backward may help them know if they are ready to return to ...