Seated Single Leg Extension Stretch
- Primary muscleQuads
- EquipmentBodyweight
- DifficultyBeginner
- TypeStretch · Mobility
- Secondary muscles
- Hamstrings, Calves
- Body part
- Upper Legs
- Laterality
- Bilateral (both sides together)
- Category
- Stretching
Track this exercise in SetGrip — no account needed
Done from the edge of a chair, this stretch needs no floor space or kneeling, which makes it the easiest option in this group to use at a desk or between sets. Extending one leg at a time lets you compare tightness between sides; lean forward slowly from the hips and stop as soon as the thigh registers the stretch.
How to do the Seated Single Leg Extension Stretch
- Sit on the edge of a chair with your back straight and feet flat on the ground.
- Extend one leg straight out in front of you, keeping your heel on the ground.
- Lean forward slightly, feeling a stretch in your quadriceps.
- Hold this position for 20-30 seconds.
- Switch legs and repeat the stretch.
Tip: Hold each position for 20 to 45 seconds and breathe out slowly to sink a little deeper.
Muscles worked
Primary
Quads · Legs
The quads lengthen as the knee bends and the hip extends, and you should feel the pull along the front of the thigh.
Secondary
Common mistakes
- Bouncing in the stretch — hold a steady position rather than pulsing, and let the muscle relax into the range over 20 to 30 seconds.
- Arching the lower back — on quad and hip flexor stretches tuck the pelvis and squeeze the glute of the stretched side so the stretch lands on the front of the hip, not the spine.
- Holding the breath — breathe slowly and steadily so the muscle can relax.
- Going for pain — a stretch should feel like a firm pull, never a sharp pain; back off until it does.
Sets, reps and where it fits
| Goal | Sets × reps | Rest |
|---|---|---|
| Warm-up | 1–2 × 20–30 s | None |
| Flexibility | 2–3 × 30–60 s | 15–30 s |
Stretches go at the end of a session or on rest days, not right before heavy lifting. Pair a quad stretch with a hamstring stretch to cover both sides of the leg.
Variations and alternatives
Similar exercises
Without bodyweight
Frequently asked questions
What muscles does the Seated Single Leg Extension Stretch work?
The Seated Single Leg Extension Stretch primarily works the quads. It also involves the hamstrings and calves, which assist the movement and stabilise the joints.
Is the Seated Single Leg Extension Stretch good for beginners?
Yes. The Seated Single Leg Extension Stretch is rated beginner: it uses no equipment beyond your bodyweight and the movement is simple to learn. Start light, focus on the full range of motion and add load once every rep looks the same.
What can I do instead of the Seated Single Leg Extension Stretch?
If you cannot do the Seated Single Leg Extension Stretch, try the Side Lying Quad Stretch, the Quadruped Quad Stretch or the Partner Assisted Prone Quad Stretch. Each of them trains the quads through a similar movement, so you can swap them in without changing the rest of the workout.
How many sets and reps should I do?
It depends on your goal. For the Seated Single Leg Extension Stretch, a sensible starting point is warm-up: 1–2 × 20–30 s; flexibility: 2–3 × 30–60 s with 15–30 s rest. Use it after training or on rest days. Hold at a stretch you can breathe through, not the deepest position you can force.
Track the Seated Single Leg Extension Stretch in SetGrip
All 1,100+ exercises with animations are in the app. No account, no sign-up — your data stays on your iPhone. Works with Apple Watch.
More exercises
Exercise data and animations are licensed ExerciseDB content used in SetGrip. This page is for general information and is not medical or coaching advice.