Jack Plank

Note: This is just a visual reference — it may vary depending on your setup.

Strength Core

Core

Muscle Activation

Glute · Hips

90%

Shoulders

10%

Equipment

None

Setup / Starting Position

Start in a plank position on your hands and toes, with your body forming a straight line from head to heels.

Exercise Position

Jump your feet out wide and then back together, similar to a jumping jack motion.

Form & Performance

Maintain a stable plank position throughout the exercise, avoiding any movement in your hips or lower back.