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Single Leg Hamstring Stretch

The single-leg hamstring stretch places one heel forward on the floor or a low support, then hinges the hips back and down until the back of the extended thigh lengthens. Done standing, it stretches each hamstring individually while teaching the hip-hinge shape that deadlifts and good lifting habits depend on. Coached by Maddy (NASM-CPT) — these are the exact form cues he gives on every client's first week.

Muscles worked

Hamstrings Calves · gastrocnemius Lower back · erector spinae

Sets & reps by goal

GoalSets × RepsRest
Strength2 × 15–20 s hold per leg10–15 s between holds
Muscle2–3 × 20–30 s hold per leg10–15 s between holds
Endurance3 × 30–45 s hold per leg10–15 s between holds

Level — Beginner

Beginner stretch that doubles as hinge-pattern practice — the standing setup is the skill.

Proper form — 5 cues

  1. Place one heel forward, leg straight, toes relaxed toward the ceiling
  2. Bend the standing knee slightly and sit the hips backward
  3. Hinge the chest forward over the straight leg with a flat back
  4. Rest both hands on the standing thigh for support
  5. Stop at a clear stretch behind the extended thigh and hold

Breathing: Inhale to set the long spine, exhale as the hips fold deeper.

The 3 mistakes Maddy corrects most

Rounding the spine to reach toward the foot. The curl gives an illusion of depth while transferring the pull into the lower back and off the hamstring. Fix: Lead with the chest and think of tipping a full glass of water off your tailbone — hips back, spine long.
Locking the standing knee straight. A rigid support leg tilts the pelvis under and blocks the hips from hinging, capping the stretch before it starts. Fix: Keep a soft bend in the standing knee so the pelvis is free to tip forward.
Pulling the toes back hard toward the shin. Aggressive ankle flexion drags the calf and the nerve line into the stretch, often creating sensation behind the knee instead of the thigh. Fix: Let the foot rest neutral; add gentle toe pull only after the hamstring itself has released.

Common questions

Standing vs seated single-leg hamstring stretch — which is better?

They reach the same muscle from different setups. The standing hinge doubles as hip-hinge practice and needs no floor, which suits gym warm-downs and office breaks; the seated version removes balance entirely and lets you relax deeper. Choose by context — many people use both in the same week.

Should I stretch hamstrings before or after leg day?

After, for the long relaxed holds. Before training, hamstrings respond better to dynamic movements — leg swings, walking toe touches, light hinging — which prepare range without the temporary force dampening long static holds can cause. Save the 30-second-plus stretching for the cool-down or separate sessions.

My hamstrings feel tight every single day — why?

Constant tightness is not always shortness; hamstrings that spend all day lengthened over a chair, or that are weak, often report tension as a protective signal. Pair regular stretching with strengthening work — hinges, bridges, curls — and frequent position changes. If tightness persists or radiates, get it assessed.

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