TETSUKnee Touch Crunch
The Knee Touch Crunch is a bodyweight exercise for the core that primarily targets the abs, with the hip flexors assisting. Follow the 5 steps below for correct form, with an animated demonstration.
abswaist
hip flexors
body weight
How to do the Knee Touch Crunch
- Lie flat on your back with your knees bent and feet flat on the ground.
- Place your hands behind your head with your elbows pointing outwards.
- Engaging your abs, lift your shoulder blades off the ground and reach your right hand towards your left knee.
- Return to the starting position and repeat, this time reaching your left hand towards your right knee.
- Continue alternating sides for the desired number of repetitions.
Common questions
What muscles does the Knee Touch Crunch work?
The Knee Touch Crunch primarily targets the abs. The hip flexors work as supporting muscles.
What equipment do I need for the Knee Touch Crunch?
None. The Knee Touch Crunch uses your body weight only, so you can do it anywhere.
How many sets and reps of the Knee Touch Crunch should I do?
3 to 4 sets of 10 to 15 controlled reps of the Knee Touch Crunch suits most programs — smaller muscle groups respond well to moderate loads and strict form. Progress by adding reps first, then small weight increments.
Track it in Tetsu
Log your sets, see your core volume climb, and let AI plan your week. Scan the code or grab the app — free to start.