Planks

Plank

1. Lay on the floor so that all of your body weight is supported by your feet and forearms, feet together.
2. Legs, hips, and back should all be in one continuous straight line.
3. Hold.

Muscles: Abs, rectus abdominis, external obliques, glutes

Side Plank

1. Hold a Plank position.
2. Rotate your body so that you are on your side, supported only by one forearm and one foot.
3. Legs, hips, and back should all be in one continuous straight line.
4. Hold.

Muscles: Transverse abdominis, internal and external obliques, abductors