Side Plank or Vasisthasana

A powerful arm and wrist strengthener.  Students with serious wrist, elbow, or shoulder injuries should avoid this pose.  

Vasistha = literally means "most excellent, best, richest." It's the name of several well-known sages in the yoga tradition.

Benefits

- Strengthens the arms, belly and legs

- Stretches and strengthens the wrists

- Improves sense of balance