TRX Suspended Jackknife
- Primary muscles
- Abs
- Secondary muscles
- Quads
- Equipment
- Suspension
- Movement pattern
- None
Steps
- 1 Begin in a prone plank position with your hands on the floor directly under your shoulders.
- 2 Place your feet into the foot cradles of a suspension trainer, so your body forms a straight line from head to heels.
- 3 Engage your core and flex your hips and knees, drawing both knees towards your chest while rounding your lower back.
- 4 Extend your hips and knees to slowly return your legs to the straight plank position.
