# Suspension Trainer Skull Crusher

URL: https://heatsy.app/ex/suspension-trainer-skull-crusher

Also known as: TRX Skull Crusher, Suspension Trainer Lying Triceps Extension, Suspension Trainer French Press, Suspension Skull Crusher

Body region: Arms

## Muscles

- Main: Triceps
- Helps: Deltoid, Anconeus
- Holds: Serratus Anterior, Rectus Abdominis, Transversus Abdominis

## Equipment

- Suspension Trainer

## Technique

1. Anchor the straps overhead, face away from the anchor and lean forward, with your arms straight out in front at about head height.
2. Keep the body in one line from head to heels, abs braced.
3. Bend the elbows and let your head travel forward between your hands until the hands are beside your forehead.
4. Straighten the arms to return to the start.

### Cues

- Walk the feet back to make it harder, forward to make it easier.
- Keep elbows narrow and the body rigid.

### Common mistakes

- Letting the hips sag or pike.
- Letting the elbows flare wide.
- Starting at an angle too steep for your strength.

## Alternatives

- [Band Skull Crusher](https://heatsy.app/ex/band-skull-crusher)
- [Suspension Trainer Triceps Extension](https://heatsy.app/ex/suspension-trainer-triceps-extension)