Side-Lying Leg Raise
Unglamorous, and it fixes more knee complaints than most knee exercises.
Setup
- Lie on your side, body in a straight line, hips stacked vertically.
- Bottom arm supporting the head.
How To Do It
- Raise the top leg, leading with the heel and keeping the toe pointing forward.
- Stop when the hips start to roll back.
- Lower slowly.
Breathing
Exhale as the leg rises.
Common Mistakes
- Rolling the hips back, which hands the work to the hip flexor.
- Kicking up fast and dropping down.
Programming It
| Goal | Sets | Reps | Rest |
|---|---|---|---|
| Strength | 3–5 | 4–6 | 2–3+ min |
| Muscle | 3–4 | 8–12 | 60–90 sec |
| Endurance / Conditioning | 2–3 | 15–20 | 30–45 sec |
Why This Exercise Works
Nothing loads the glute medius as directly as this, and almost nothing else isolates it at all. It is unglamorous and it works, particularly for anyone whose knee drifts inward under load.
Where It Fits in a Program
Unglamorous, and it fixes more knee complaints than most knee exercises. It belongs after the heavy work, when precision matters more than load.
Progressing and Regressing It
To progress the side-lying leg raise: add an ankle weight or a band, or hold the top for two seconds. To regress it: reduce the range, and keep the hips stacked.
Equipment and Substitutions
Nothing to buy and nowhere to be — which is the point. If it is too easy, the harder variations below are the progression, not added weight.
Related Exercises
- Banded Lateral Walk — Glute Medius, Hips
- Band Monster Walk — Glute Medius, Hips
- Skater Bound — Glute Medius, Quads, Balance
- Seated Hip Abduction — Glute Medius
- Dead Bug — Deep Core
- Superman Hold — Lower Back, Glutes
- Hip Airplane — Glutes, Hips, Balance
- Bird Dog — Core, Low Back, Glutes
Common Questions
What muscles does the side-lying leg raise work?
The side-lying leg raise primarily trains the glute medius, hips. The listed muscles are highlighted in the animation above so you can see where the work should be felt.
How many sets and reps should I do?
Two to three sets of 12-20 per side.
What are the most common side-lying leg raise mistakes?
Most often: rolling the hips back, which hands the work to the hip flexor; kicking up fast and dropping down. Both are easier to catch on video than in the moment — film one set from the side and watch it back.
Can I do this without any equipment?
Yes — this version needs no equipment at all. It trains the glute medius, hips using bodyweight alone, which is why it travels well and works as a warm-up, a substitute, or a full session on its own.
Is this safe if I have an existing injury?
The side-lying leg raise loads the shoulder and elbow directly, so an existing problem there is the one to be careful about. If a rep reproduces your pain rather than producing normal training discomfort, stop the set and get it assessed. This is general fitness information, not medical advice.
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Form guide for educational purposes — not medical advice. New to training or working around an issue? Apply for coaching and get a plan built for your body.