Waist Exercise · Assisted

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Assisted Hanging Knee Raise

Category

Waist

Equipment

Assisted

Target

Abs

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Biomechanical cues verified by the PlanWorkouts Science Review Board under CSCS editorial oversight; see our editorial standards.

Assisted hanging knee raises use a machine to support part of the bodyweight, which lets you focus on curling the hips up rather than just fighting to stay on the bar. It's the right regression when grip or shoulder fatigue is ending sets before the abs are actually worked. Keep the movement controlled on the way down instead of letting the legs drop and swing.

How to Do the Assisted Hanging Knee Raise

1. Hang from a pull-up bar, arms fully extended, palms facing away from you.
2. Brace your core and raise your knees toward your chest by bending at the hips and knees.
3. Hold briefly at the top, squeezing your abs.
4. Slowly lower your legs back to the starting position.
5. Continue for the set reps, taking care to lower with control and reset your posture between each rep.

Biomechanical & Joint Load Cues

Trunk flexion, anti-extension, or anti-rotation targeting rectus abdominis and obliques. Requires posterior pelvic tilt to isolate abdominal fibers.

Common Mechanical Mistakes & Form Errors to Avoid

• Pulling on the Neck / Cervical Spine: Yanking the head forward with hands during crunches places excessive strain on cervical vertebrae without engaging the abs.
• Arching Lower Back Under Load: Allowing the lumbar spine to hyperextend during leg raises shifts work to the psoas hip flexors and pinches facet joints.
• Rushing Through Reps: Using fast bouncing tempo bypasses deep transverse abdominis engagement; slow reps with a full exhale build real core strength.

Proper Breathing Patterns & Core Engagement

Exhale completely during spinal flexion or maximal tension to maximize abdominal contraction; inhale on controlled return.

Injury Modification & Joint Safety

Individuals with lumbar disc herniations should prioritize isometric anti-extension (planks, dead bugs) over repetitive loaded spinal flexion. If joint irritation persists, immediately stop and substitute this movement with another exercise from the Waist exercises category.

Muscles Worked

The Assisted Hanging Knee Raise primarily targets the Abs, with Hip Flexors as the primary synergist muscle group.

More Waist Exercises

3/4 Sit-Up Body Weight · Abs 45° Side Bend Body Weight · Abs Air Bike Body Weight · Abs Alternate Heel Touchers Body Weight · Abs Arm Slingers Hanging Bent Knee Legs Body Weight · Abs Arm Slingers Hanging Straight Legs Body Weight · Abs

More Abs Exercises

Arms Overhead Full Sit-Up (male) Body Weight · Abs Assisted Hanging Knee Raise With Throw Down Assisted · Abs Assisted Lying Leg Raise With Lateral Throw Down Assisted · Abs Assisted Lying Leg Raise With Throw Down Assisted · Abs Assisted Motion Russian Twist Medicine Ball · Abs Assisted Prone Rectus Femoris Stretch Assisted · Abs

Equipment Alternatives

Don't have assisted? These target the same abs with different equipment.

Arms Overhead Full Sit-Up (male) Body Weight · Abs Assisted Motion Russian Twist Medicine Ball · Abs Band Alternating V-Up Band · Abs Barbell Press Sit-Up Barbell · Abs

FAQ

What muscles does the Assisted Hanging Knee Raise work?

The Assisted Hanging Knee Raise primarily targets the abs as the primary agonist. The hip flexors acts as the primary supporting muscle group during force transmission. Maintaining strict biomechanical alignment ensures maximal tension remains focused on the intended muscle fibers rather than shifting to surrounding stabilizer joints.

What equipment do I need for the Assisted Hanging Knee Raise?

The Assisted Hanging Knee Raise is performed using a assisted. Ensure all equipment is securely positioned with collars or safety pins locked before loading working sets. If you train in a home gym or minimal setup, explore our equipment-free and resistance band alternatives below.

What is the most common form mistake on the Assisted Hanging Knee Raise?

The most frequent error is pulling on the neck / cervical spine: Yanking the head forward with hands during crunches places excessive strain on cervical vertebrae without engaging the abs.. Controlling the 2 to 3-second eccentric lowering phase ensures maximal hypertrophic stimulus while shielding connective tissue.

How many sets and reps should I perform on the Assisted Hanging Knee Raise?

For muscle growth and density, execute 3 to 4 working sets of 10 to 15 controlled repetitions with 60 seconds rest, emphasizing a deep stretch and deliberate peak contraction on every rep.

What's a good alternative to the Assisted Hanging Knee Raise?

If you don't have access to a assisted, the Arms Overhead Full Sit-Up (male) targets the same abs using body weight instead. This alternative replicates the same joint angle and movement plane while allowing you to train effectively with different available gear. You can also substitute it seamlessly in our free Workout Plan Builder.