Mountain climber

From a high plank, drive the knees toward the chest one at a time at a steady pace, keeping the hips low and the back flat.

1. Hands under shoulders, flat back
2. Drive knees toward the chest
3. Keep hips level, not bouncing

Movement

Pattern

Anti-extension

Type

Compound, several joints move

Sides

Both sides together

Equipment

None

Muscles worked

Main movers get full credit for a set, helpers half.