SLIDING LEG CURLS PROVIDE AN ALTERNATIVE POSTERIOR CHAIN CONDITIONING EXERCISE TO THE NORDIC HAMSTRING CURLS. THIS EXERCISE CAN ASSIST IN THE DEVELOPMENT OF STRENGTH AT THE MUSCLE LENGTHS AND UNDER THE CONDITIONS OF FATIGUE IN WHICH HAMSTRING INJURY FREQUENTLY OCCURS, WHILE ITS VARIATIONS CAN ADDRESS BILATERAL STRENGTH ASYMMETRIES AND PROMOTE STRENGTH DEVELOPMENT AT SPECIFIC JOINT ANGLES.