Knee Raise (Bench)
A core exercise performed on a bench where you raise your knees toward your chest while supporting yourself with your arms. This movement isolates the abdominals and hip flexors.
Instructions
- Sit on the edge of a bench with your hands gripping the bench beside your hips.
- Lean back slightly, keeping your chest up and core engaged.
- Extend your legs out in front of you, keeping them relatively straight.
- Using your core, lift your knees up toward your chest in a controlled motion.
- Bring your knees as close to your chest as comfortably possible.
- Pause briefly at the top of the movement.
- Lower your legs back to the starting position in a controlled manner.
- Repeat for the desired number of repetitions.
Tips
- Keep your grip firm on the bench for stability and support
- Move in a controlled manner, avoiding momentum and swinging
- You can bend your knees to make the movement easier
- Keep your chest upright and avoid slouching backward
- Focus on engaging your core throughout the entire 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
Exercises that target the same muscles with the same force and mechanic.
Bent Leg Raise (TRX / Suspension Trainer)
Learn more about bent leg raise (trx / suspension trainer) intermediate strength