Bent Knee Lying Twist

Learn how to do the Bent Knee Lying Twist with proper form and technique. This body weight exercise primarily targets your Glutes, with secondary emphasis on Obliques, Hip Flexors.

Bent Knee Lying Twist exercise demonstration showing proper form

How to Do the Bent Knee Lying Twist

Follow these steps to perform the Bent Knee Lying Twist with correct form:

  1. 1Lie flat on your back with your knees bent and feet flat on the ground.
  2. 2Extend your arms out to the sides, perpendicular to your body.
  3. 3Keeping your knees together, slowly lower them to one side, aiming to touch the ground with your knees.
  4. 4Pause for a moment, then engage your core and slowly lift your knees back to the starting position.
  5. 5Repeat the movement to the other side.
  6. 6Continue alternating sides for the desired number of repetitions.

Bent Knee Lying Twist Muscles Worked

Primary

Secondary

obliqueship flexors

Exercise Details

Equipment
body weight
Body Part
upper legs
Category
Extended

Recovery & Training Frequency

Recommended Recovery Time
2–3 days
Weekly Frequency
2–3 sessions per week
Why
Isolation work on large muscles produces targeted damage but lower systemic fatigue than compound variants. 48–72 h between sessions is generally adequate for intermediate trainees.

Sets & Reps by Goal

Strength

Sets
3–4
Reps
5–8
Rest
90–120 s

Isolation movements can be trained with moderate loads for strength, though peak strength expression is secondary to compound lifts.

Hypertrophy

Sets
3–5
Reps
10–20
Rest
45–90 s

Isolation exercises shine in the 10–20 rep range with a 2-second eccentric. Taking the final set close to failure drives maximum hypertrophic stimulus.

Endurance

Sets
2–4
Reps
20–30
Rest
20–45 s

Light-load, high-rep isolation work is useful for rehab, joint health, and pump-focused training.

Which Workout Splits Include Bent Knee Lying Twist?

Based on the muscles this exercise targets, it fits naturally into these training splits and day types:

P

Push / Pull / Legs

Leg Day

U

Upper / Lower

Lower Day

F

Full Body

Any session

B

Bro Split

Leg Day

Training Day Types:legslower

Not sure which split is right for you? Cora builds personalised training plans that match your schedule and goals. Learn more about progressive overload.

Related Exercises

Frequently Asked Questions

What muscles does the Bent Knee Lying Twist work?

The Bent Knee Lying Twist primarily targets your Glutes. Secondary muscles worked include Obliques, Hip Flexors. This makes it an effective exercise for developing your upper legs.

Do I need equipment for the Bent Knee Lying Twist?

No. The Bent Knee Lying Twist is a bodyweight exercise that requires no equipment. You can perform it anywhere with enough space.

How do I perform the Bent Knee Lying Twist with proper form?

Start by Lie flat on your back with your knees bent and feet flat on the ground. Extend your arms out to the sides, perpendicular to your body. Keeping your knees together, slowly lower them to one side, aiming to touch the ground with your knees. Focus on controlled movement throughout the entire range of motion. See the full step-by-step instructions above for complete form guidance.

How often should I do the Bent Knee Lying Twist?

For most people, allow 2–3 days between sessions targeting the same muscle group. That translates to 2–3 sessions per week. Isolation work on large muscles produces targeted damage but lower systemic fatigue than compound variants. 48–72 h between sessions is generally adequate for intermediate trainees.

What are the best sets and reps for the Bent Knee Lying Twist?

It depends on your goal. For strength: 3–4 sets of 5–8 with 90–120 s rest. For hypertrophy (muscle growth): 3–5 sets of 10–20 with 45–90 s rest. For endurance: 2–4 sets of 20–30 with 20–45 s rest.

Which workout splits is the Bent Knee Lying Twist best for?

The Bent Knee Lying Twist fits well into the following training splits: Push / Pull / Legs (Leg Day), Upper / Lower (Lower Day), Full Body (Any session), Bro Split (Leg Day). It is classified as a legs, lower movement.

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