Exercise technique

knee touch crunch

The knee touch crunch is a bodyweight abdominal exercise that targets the abs and also engages the hip flexors. It involves alternating reaching across the body to touch the opposite knee while performing a crunch motion.

How do you perform this exercise?

  1. Lie flat on your back with your knees bent and feet flat on the ground.
  2. Place your hands behind your head with your elbows pointing outwards.
  3. Engaging your abs, lift your shoulder blades off the ground and reach your right hand towards your left knee.
  4. Return to the starting position and repeat, this time reaching your left hand towards your right knee.
  5. Continue alternating sides for the desired number of repetitions.

Which other muscles are involved?

Hip flexors.

How do you log your sets?

How do you track progressive overload?

Source: ExerciseDB catalogue and demonstration. Related movements are options to compare, not equivalent loads or a prescribed progression.

Alternatives to explore

STARK is a strength training tracker for iPhone and Apple Watch. Log sets, repetitions and weights, then follow your progress. Core features are free. Explore STARK’s features