Crunch
The classic trunk-flexion movement targeting the upper abs.
- Sets
- 3
- Reps
- 15-20
- Rest
- 45 s
- Difficulty
- Beginner
Bodyweight
Movement Pattern
Targeted Muscles
How to Perform
- 01Lie on your back, knees bent, hands at your temples.
- 02Curl your torso up, lifting your shoulder blades off the floor.
- 03Squeeze your abs at the top, then lower under control.
Form Tips
- Do not lace your fingers behind your neck and pull on it.
- Keep your lower back on the floor; the movement is short and intense.
Other Core Exercises
- Bodyweight
Plank
Core
The fundamental isometric core endurance exercise: holding your body in a straight line.
3 × 30-60 sBeginner - Bodyweight
Mountain Climber
Core
Running in a plank: trains core stability and conditioning at the same time.
3 × 20-30 sBeginner - Bodyweight
Russian Twist
Core
A seated trunk rotation targeting the obliques.
3 × 16-20Intermediate