Upper Legs Exercise · Body Weight

Inverse Leg Curl (bench Support) form demonstration - targeted for Hamstrings Upper Legs workouts

Inverse Leg Curl (bench Support)

Category
Upper Legs
Equipment
Body Weight
Target
Hamstrings

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

The Inverse Leg Curl (bench Support) is a targeted isolation upper legs movement designed to train the Hamstrings with direct engagement of the Calves.

Open-chain single-joint knee flexion isolating the biceps femoris, semitendinosus, and semimembranosus with minimal spinal fatigue. Executing this with strict form maximizes muscle fiber recruitment while protecting joint structures.

Quick Exercise Facts

Movement Type Isolation Single-Joint
Equipment Body Weight
Primary Agonist Hamstrings
Synergists Calves

Target Muscle Activation

Hamstrings — Agonist
Glutes — Synergist
Stabilizers — Core & Kinetic Chain

An inverse — or Nordic-style — leg curl works the hamstrings eccentrically, lowering the torso forward under control while the hamstrings resist knee extension, which is a very different demand than a machine leg curl's concentric focus. Bench support at the ankles or a partner holding the feet is what makes the movement possible; without it, the leverage is almost impossible to control.

How to Do the Inverse Leg Curl (bench Support)

  1. Lie face down on a bench with your hips positioned at the edge and your legs extended straight out behind you.
  2. Grip the bench for support.
  3. Without moving your upper body, bend your knees to curl your legs up toward your glutes.
  4. Pause briefly at the top, then slowly straighten your legs back to the start.
  5. Continue for the set reps, taking care to lower with control and reset your posture between each rep.

Recommended Sets & Reps by Training Goal

Hypertrophy & Size 3 – 4 Sets × 10 – 15 Reps

65–75% 1RM · 60s rest

Muscle Pump & Density 3 Sets × 15 – 25 Reps

50–60% 1RM · 30–45s rest

Form & Eccentric Control 2 – 3 Sets × 12 – 15 Reps

Controlled 3s eccentric · 60s rest

Biomechanical & Joint Load Cues

Open-chain single-joint knee flexion isolating the biceps femoris, semitendinosus, and semimembranosus with minimal spinal fatigue.

Common Mechanical Mistakes & Form Errors to Avoid

  • Lifting Hips Off the Pad: Allowing hips to rise into anterior pelvic tilt during lying curls shifts tension off the hamstrings onto the lower back.
  • Pointed Toes (Plantarflexion): Pointing toes excessively recruits the gastrocnemius (calf) to assist the curl rather than isolating the hamstrings.
  • Shortchanging the Bottom Stretch: Reversing the movement before reaching full knee extension misses the high-hypertrophy lengthened position.

Proper Breathing Patterns & Core Engagement

Inhale as legs extend to full stretch; exhale as heels curl tightly toward glutes.

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Injury Modification & Joint Safety

Ensure knee joint axis aligns precisely with the machine pivot point to prevent shear stress on cruciate ligaments. If joint irritation persists, immediately stop and substitute this movement with another exercise from the Upper Legs exercises category.

Muscles Worked

The Inverse Leg Curl (bench Support) primarily targets the Hamstrings, with Glutes as the primary synergist muscle group, along with the Calves.

More Upper Legs Exercises

More Hamstrings Exercises

Equipment Alternatives

Don't have body weight? These target the same hamstrings with different equipment.

FAQ

What muscles does the Inverse Leg Curl (bench Support) work?
The Inverse Leg Curl (bench Support) primarily targets the hamstrings as the primary agonist. Synergist assistance is provided by the glutes along with the calves. 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 Inverse Leg Curl (bench Support)?
The Inverse Leg Curl (bench Support) is performed using no equipment — just body weight. 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 Inverse Leg Curl (bench Support)?
The most frequent error is lifting hips off the pad: Allowing hips to rise into anterior pelvic tilt during lying curls shifts tension off the hamstrings onto the lower back.. 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 Inverse Leg Curl (bench Support)?
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 Inverse Leg Curl (bench Support)?
If you don't have access to the space or setup it needs, the Barbell Good Morning targets the same hamstrings using barbell 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.
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