Some muscle actions you didn't know?

Expert Discussion Biomechanics and Physiology
1

Movements about shoulder

  1. Biceps brachii, long head: Assists with abduction.
    Exercise: snatch, clean

  2. Biceps Brachii, short head: Assists with adduction
    Exercise: Pull downs/ups, wide grip

  3. Triceps brachii, long head: Assists with extension
    Exercise: Pull downs/ups, narrow grip; backward arm drive