Ball Jackknife
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Tracked This Week
Last 8 Weeks
Swiss BallBeginnerFloorApartment-friendly
Do not slouch your back. Keep your head in line with your spine. Squeeze your abdominal muscles. Focus on the muscle contraction. Do not shrug your shoulders.
Muscle Map
Muscles Worked
Abs
Shoulders
Triceps
Instructions
Tips
- Do not slouch your back.
- Keep your head in line with your spine.
- Squeeze your abdominal muscles.
- Focus on the muscle contraction.
- Do not shrug your shoulders.
Breathing
- Breathe in going down, breathe out going up.
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