Purpose To compare lower extremity biomechanics between professional dancers (PDs) and non-dancers (NDs) during multidirectional single-leg landings. Methods Fifteen PDs (27±7 years, 1.69±0.1m, 57.8±9.3kg), and 15 NDs (25±5 years, 1.69±0.1m, 66±10.2kg) performed single-leg jumps in three directions: 1) lateral, 2) diagonal, and 3) forward. Dominant LE biomechanical data were collected using a motion capture system. Data were processed in Visual3D. LE kinematic (hip, knee and ankle joint angles in sagittal and frontal planes, and range of motion (ROM)) and kinetics (hip and knee internal joint moments and vertical ground reaction force) variables were analyzed at initial contact (IC), peak vertical ground reaction force (PvGRF), and peak knee flexion (PKF). Repeated measures ANOVAs were conducted (p
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