"Proper form requires strict elbow flexion with a full range of motion, focusing on the biceps only." RELATED: 5 Best 'Arm Day' Workouts To Build Muscular Biceps Many gym-goers perform bicep curls ...

observed flexion and extension range was much less averaging 11(46–35)° of flexion on the forehand and 18(48–30)° in the backhand. The calculated angular velocity during the service motion was 982°/s ...

To protect the wrist against excessive load, the eccentric strengthening exercises of prono-supinator and flexor-extensor muscles of elbow and wrist were undertaken gradually, at increasing speeds ...