sledge hammer

Body part:
waist
Equipment:
hammer
Body target:
abs
Instructions:
- Stand with your feet shoulder-width apart and hold the sledge hammer with both hands.
- Engage your core and keep your back straight.
- Swing the sledge hammer down towards the ground, using your core and upper body strength.
- As you swing down, pivot your hips and transfer the force to the hammer.
- Repeat for the desired number of repetitions.