Crunch with Chest Taps (TRX / Suspension Trainer)

Level
intermediate
Force
push
Mechanic
isolation
Equipment
trx
Category
strength
Primary Muscles

A suspension crunch variation combining hip flexion with rotation and chest contact, adding core engagement and coordination demands.

Instructions

  1. Anchor the TRX straps at mid-length.
  2. Position yourself facing away from the anchor with your feet in the TRX stirrups.
  3. Assume a plank position with your hands on the ground shoulder-width apart.
  4. Keep your core engaged and your body in a straight line.
  5. Pull your knees toward your chest by crunching at the hips and core.
  6. As your knees move forward, tap your chest with one hand or both hands.
  7. Return your hands to the ground as you extend your legs back to the starting position.
  8. Repeat, alternating which hand taps your chest or perform bilateral chest taps.
  9. Continue for the desired number of reps.

Tips

  • The chest tap adds a rotational/stability component to the basic crunch movement.
  • Maintain core tension throughout, even as you alternate hand positions.
  • Keep hip flexion the primary driver of the knee movement toward the chest.
  • Control the leg extension phase to maintain tension and form.
  • Do not allow your hips to sag or pike excessively during the movement.

Recommended starting values

Sensible novice starting points for each goal, for a lifter aged 25–40. Scale down for smaller frames or older lifters. Treat the first set of any session as a discovery set.

Goal Sets Reps
Gain strength 3 15 reps
Build muscle 3 18 reps
Build endurance 3 25 reps

Alternatives

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