Stability Ball Seated Hamstring Stretch — how to, muscles worked, alternatives

How to do the Stability Ball Seated Hamstring Stretch

Sit tall on the ball, feet flat, knees bent.
Straighten one leg forward onto the heel, toes pulled back.
Lean your torso slightly forward from your hips, keeping your back straight and moving slowly.
Hold for time, then switch sides.

Full technique — 6 steps

Sit tall on a stability ball with both feet flat on the floor and knees bent about 90 degrees.
Straighten one leg out in front of you and rest it on the heel with your toes pulled back.
Keep the other foot planted and rest your hands on the bent knee.
Lean slightly forward from your hips with your back straight until you feel a stretch in the back of the straight leg.
Keep the ball from rolling as you lean.
Hold the position with steady breathing, then switch sides and repeat.

Common mistakes

Rounding through the lower back
Bending the straight knee to lean further
Letting the ball roll backward
Bouncing into the bottom stretch

Form cues

Sit tall first
Hinge from the hips
Keep the leg straight
Keep the ball steady

Substitutes by equipment

Same muscles, same movement — pick the version you have the gear for.

Resistance bands

Resistance Band Standing Hamstring Stretch Same level

Where to start and where to go next

Same muscles, same movement. Too hard for now — step down; once it gets easy — step up.

Easier Half Monkey Pose (Ardha Hanumanasana) Beginner
This exercise Stability Ball Seated Hamstring Stretch Beginner
Harder Seated Forward Fold Beginner

Too hard for now? Start with the Half Monkey Pose (Ardha Hanumanasana).

Quick answers

What muscles does the Stability Ball Seated Hamstring Stretch work?

Primary: Hamstrings 9/10. Also works: Calves 4/10.

When should I do the Stability Ball Seated Hamstring Stretch in a workout?

Warm-up. Done at the start to get the body ready. ≈ 3 min with rest.

How many sets and reps of the Stability Ball Seated Hamstring Stretch?

Strength: 1–2 sets of 20–30 reps, rest 15 s, 6 reps in reserve. Muscle growth: 1–2 sets of 20–30 reps, rest 15 s, 6 reps in reserve. Endurance: 2–3 sets of 30–45 reps, rest 15 s, 6 reps in reserve.