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 ...

Objectives: Large inter-subject variability in responses to eccentric exercise has been reported ... of EIMD included maximal voluntary isometric contraction torque at 90° elbow flexion (MVC), range ...

which doesn't provide the complete benefits of the exercise. "Aim for complete elbow extension and flexion to maximize biceps growth," Kravchenko stresses. "Fully extend and flex your arm on each rep.