Hanging Knee Raise
Muscle group: Abs
Hanging Knee Raise is an exercise from the “Abs” group. It mainly works: Rectus abdominis, Rectus femoris, External oblique. Equipment needed: Pull-up bar.

How to do Hanging Knee Raise
Starting position
- Grab the pull-up bar with an overhand grip at shoulder width or slightly wider and hang with straight arms.
- Draw your shoulders down a little, away from your ears — don't hang completely limp.
- Legs together and slightly bent, body still.
- Brace your abs before the first rep.
Execution
- Exhale, bend your legs and raise your knees toward your chest, at least above hip level.
- At the top, tilt your pelvis forward and up — this makes your abs work, not just your hip flexors.
- Hold for a second.
- Inhale and slowly lower your legs to the start without letting your body swing.
- Begin each rep from a still hang.
Common mistakes
- Swinging the body — momentum does the abs' job.
- Knees only to hip height with no pelvic curl — the hip flexors do most of the work.
- Dropping the legs fast — you start to swing and lose control.
- Shoulders shrugged up to the ears — extra stress on the shoulder joints.
Beginner tips
- If your grip gives out before your abs, use lifting straps or ab slings.
- To kill the swing, touch your feet to the floor or a box between reps.
- When 12–15 clean reps feel easy, move on to straight-leg raises.
Alternatives
- Hanging Leg Raise — a harder version
- Lying Leg Raise on Flat Bench — no grip demand
- Lying Leg Raise on Incline Bench — lying leg raise, angle adjusts difficulty
Worked muscles
- Rectus abdominis
- Rectus femoris
- External oblique
- Internal oblique
- Forearm muscles
- Lower trapezius
- Trapezius (traps)
Equipment
- Pull-up bar
More Abs exercises
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