Upper Legs Exercise · Body Weight

Leg Up Hamstring Stretch form demonstration - targeted for Hamstrings Upper Legs workouts

Leg Up Hamstring Stretch

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 Leg Up Hamstring Stretch is a targeted isolation upper legs movement designed to train the Hamstrings.

Controlled plane of motion engaging target synergist muscle groups. Focus on deliberate eccentric control (2-3s) and active range of motion. 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 Glutes

Target Muscle Activation

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

This stretch isolates the hamstrings by lifting one leg while keeping the other flat, using the raised leg's position to control exactly how much tension goes into the muscle. It's a straightforward way to work on hamstring flexibility before squats or deadlifts where tight hamstrings can limit hip hinge depth.

How to Do the Leg Up Hamstring Stretch

  1. Lie flat on your back with your legs extended.
  2. Bend one knee and pull it toward your chest, holding onto your thigh or shin.
  3. Straighten that leg as much as possible while keeping it raised.
  4. Hold the stretch for 20-30 seconds.
  5. Repeat for your desired repetitions, keeping constant tension on the working muscle throughout.

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

Controlled plane of motion engaging target synergist muscle groups. Focus on deliberate eccentric control (2-3s) and active range of motion.

Common Mechanical Mistakes & Form Errors to Avoid

  • Uncontrolled Lifting Tempo: Rushing through reps without establishing mind-muscle connection or eccentric control reduces muscle fiber tension.
  • Spine Hyperextension: Compensating for limited joint range of motion by arching the lower back risks spinal facet strain.
  • Unstable Foot Base: Poor foot position causing balance loss during movement execution creates energy leaks and injury risk.

Proper Breathing Patterns & Core Engagement

Inhale during eccentric lowering phase; exhale during concentric work phase.

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Injury Modification & Joint Safety

Stop immediately if movement causes sharp joint or tendon pain; substitute with a joint-friendly variant. If joint irritation persists, immediately stop and substitute this movement with another exercise from the Upper Legs exercises category.

Muscles Worked

The Leg Up Hamstring Stretch primarily targets the Hamstrings, with Glutes as the primary synergist muscle group.

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 Leg Up Hamstring Stretch work?
The Leg Up Hamstring Stretch primarily targets the hamstrings as the primary agonist. The glutes 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 Leg Up Hamstring Stretch?
The Leg Up Hamstring Stretch 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 Leg Up Hamstring Stretch?
The most frequent error is uncontrolled lifting tempo: Rushing through reps without establishing mind-muscle connection or eccentric control reduces muscle fiber tension.. 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 Leg Up Hamstring Stretch?
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 Leg Up Hamstring Stretch?
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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