Hanging Knee Raise

The Hanging Knee Raise is a dynamic core exercise performed from a pull-up bar that primarily targets the lower abdominal muscles and hip flexors. It develops core strength and stability while simultaneously improving grip endurance and shoulder health through spinal decompression.

How Iridium Helps

Since grip strength often fails before the abdominals do on this exercise, the AI analyzes your RPE and set duration to distinguish between forearm fatigue and actual core failure. It also monitors your hip flexor recovery status from activities like running or squatting; if your hip flexors are flagged as fatigued, the AI may suggest a regression to ensure you target your abs without straining the hips. Additionally, if you log shoulder discomfort, the app instantly recommends stable alternatives like the Captain's Chair to keep you training pain-free.

Form Cues

Do
  • Maintain an active hang by pulling your shoulders down and away from your ears
  • Exhale forcefully as you lift your knees to maximize core engagement
  • Tuck your pelvis and curl your tailbone forward at the top of the movement
  • Lower your legs slowly to resist gravity and prevent swinging
Don't
  • Don't use momentum or swing your body to generate lift
  • Don't let your shoulders shrug up towards your ears
  • Don't arch your lower back excessively at the bottom of the movement
  • Don't drop your legs quickly without control

Common Mistakes

  • Swinging the body
  • Lifting only with hip flexors
  • Passive, shrugged shoulders
  • Incomplete range of motion

Muscles Worked

This exercise primarily targets the rectus abdominis, specifically the lower region, by requiring you to curl your pelvis upward against gravity. It also heavily recruits the iliopsoas (hip flexors) to initiate the leg lift, while the forearms and lats work isometrically to maintain a stable hanging position.

Primary

Lower Abs

Secondary

Hip FlexorsForearms

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