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Side Knee Raise

The standing side knee raise lifts a bent knee out to the side, training the gluteus medius on the moving leg while the standing side works overtime for balance. It strengthens the hip's lateral system — the muscles that keep your pelvis level every time you walk, run or climb stairs. Coached by Maddy (NASM-CPT) — these are the exact form cues he gives on every client's first week.

Muscles worked

Outer glutes · gluteus medius Outer glutes · gluteus minimus Outer hips · tensor fasciae latae

Sets & reps by goal

Goal	Sets × Reps	Rest
Strength	4 × 5–8 per side, paused	90 s
Muscle	3–4 × 9–12 per side	60 s
Endurance	3 × 18–27 per side	45 s

Rep ranges per Helms 2014 · Schoenfeld 2016.

Level — Beginner

Beginner move — use fingertip wall support until the standing hip can hold the pelvis dead level.

Proper form — 5 cues

Stand tall beside a wall or chair for fingertip support
Bend one knee to 90 degrees and lift it directly out to the side
Raise the knee only as high as the hips can stay level
Pause briefly at the top without leaning away
Lower under control and repeat without the foot resting between reps

Breathing: Exhale as the knee lifts sideways, inhale as it lowers.

The 3 mistakes Maddy corrects most

Leaning the torso away to lift the knee higher. The lean tilts the pelvis and fakes range — the glute stops working while the obliques haul the leg up. Fix: Shrink the raise to the height where the shoulders and hips stay stacked; that shorter rep is the real exercise.

Rotating the toes and knee upward toward the ceiling. External rotation turns pure abduction into a hip-opener and shifts tension off the gluteus medius. Fix: Keep the kneecap and toes facing forward as the knee travels sideways.

Swinging the leg with momentum. The gluteus medius is a stabilizer — it responds to slow, deliberate tension, not to swings it never controls. Fix: Two counts up, one-second hold, two counts down, every rep.

Common questions

What is the side knee raise good for?

It directly trains hip abduction — the movement your gluteus medius performs to keep the pelvis level on one leg. Strengthening it supports better single-leg control in walking, running and squatting, and it is a staple in knee- and hip-focused strength routines for exactly that reason.

Why do I feel this in my standing leg more than the lifting leg?

That is half the exercise. The standing leg's gluteus medius must hold your entire pelvis level while the other leg abducts, which is often the harder job. Feeling work on both sides is a sign the drill is doing what it should — each leg gets both roles when you switch sides.

Side knee raise vs side leg lift — what is the difference?

The knee raise is done standing with a bent leg, adding a live balance component; the side leg lift is usually performed lying down with a straight leg, isolating the hip with the floor handling stability. Lying lifts suit strict isolation work; the standing raise builds strength you use on your feet.

Related exercises

Prone Side Leg LiftsOuter glutes Side Leg LiftsOuter glutes Abductor MachineOuter glutes Donkey KicksGlutes Glute BridgeGlutes

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