This is a foundation skill.
Legs · Tier 0
Assisted Squat
The assisted squat is the entry point to the legs branch — a squat you sit to a box or hold a support for, teaching depth, knee tracking, and confident standing power.
Also known as: Box Squat · Supported Squat- Difficulty
- 1/10 · Beginner
- Tier
- 00
- Equipment
- none · bench
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The assisted squat sits at the very root of the legs branch — tier 0, the first node, with nothing required before it. It's where you learn the squat pattern safely: depth, knee tracking, heels down, and the confidence to sit low and stand back up under your own power. Clear it and the only thing it unlocks is the one that matters most — the full bodyweight squat, which then opens split squats, Bulgarians, and the whole single-leg line.
Don't treat 'assisted' as a downgrade. Your job here is to make the assistance smaller every week, not to lean on it. Use the box or support to own a depth you can control, then quietly take help away until your legs are doing the whole rep — that fading assistance *is* the progress.
Readiness gates
Clear these measurable conditions before forcing the skill.
This is a foundation skill.
Technique, step by step
Four checkpoints for one honest repetition or hold.
- 01Setup
Stand and find your stance
Set your feet about shoulder width with toes turned out 10–20 degrees, weight spread across the whole foot. If you're using a box or bench, stand a few inches in front of it; if you're using a support, grip a doorframe, rail, or sturdy post at chest height with light tension. Brace your abs gently and lift your chest so your spine stays long. Pick a spot on the wall ahead to keep your gaze level.
- 02Lower
Sit back and down under control
Push your hips back as if reaching for a chair, then bend the knees and lower on a 2–3 second count. Drive your knees out in line with your toes — don't let them cave inward. Use the box to catch you at parallel or the support to take only as much weight as you need; the goal is a controlled descent, not a drop. Keep your heels planted the whole way.
- 03Drive
Stand up through the floor
From the bottom, push the floor away through your mid-foot and heels, leading with your chest so your hips and shoulders rise together. Squeeze your glutes hard as you reach the top. Pull on the support only enough to stay balanced — let your legs do the real work, not your arms. If your hips shoot up first and you tip forward, you've lost the brace; reset and try again.
- 04Top
Stand tall and reset
Finish standing fully upright with knees and hips locked, glutes squeezed, ribs stacked over hips. Take a breath, rebuild your brace, and confirm your balance before the next rep. Don't rush the turnaround — each clean rep is teaching your knees and hips the pattern you'll repeat for years.
Skill practice guide
Public skill guidance — not your protected personalized eight-week plan.
Build confident, full-control squats to a clear box or with minimal support, on the way to 20 clean reps to depth.
3–4 sets of 10–15 reps with a 2–3s lower and a brief pause at the bottom.
2–3×/week with at least 48h between leg sessions.
Once 3 sets of 15 feel easy, lower the box an inch or take a finger off the support each week until you're squatting to depth with no help — that's your bodyweight squat.
Common faults
My knees cave inward when I squat down+
Your hips aren't engaging to track the knees, so they collapse toward each other under load. Cue 'knees out over your toes' and actively press the floor apart with your feet on the way down and up. Slow the tempo, sit to a box so you stop at a depth you can control, and the caving usually cleans up fast.
My heels lift off the floor at the bottom of the squat+
Tight ankles are forcing you onto your toes as you sink, which tips you forward and steals power. Keep the descent shallow enough that your heels stay glued down, and use a box to cap your depth there for now. Gentle calf and ankle mobility before training, plus heel-down practice, expands your range over a few weeks.
I fall backward when I try to squat down+
You're sitting straight down instead of hinging your hips back, so your center of gravity drifts behind your feet. Push your hips back first, then bend the knees, and keep your chest up to counterbalance. This is exactly what the support or box is for — let it catch you while you learn to feel the balance point.
I'm pulling myself up almost entirely with my arms+
Leaning hard on the support means your legs aren't being challenged, so they won't get stronger. Use the lightest grip that keeps you upright — two fingers if you can — and consciously drive through your heels. As you trust your balance, loosen the grip rep by rep until your legs carry the load on their own.
My lower back rounds at the bottom of the squat+
Your spine is folding because you've sunk past the depth your hips can currently control. Stop the descent the instant your back starts to round — sit to a higher box if you have to. Brace your abs before each rep and keep your chest lifted; depth will come as your hips open up, but never at the cost of a flat back.
Useful setup
Gives you a depth target to sit to and a safety catch, so you can train range without fear of folding.
Lets you offload exactly as much weight as you need and dial assistance down rep by rep.
A stable base keeps your heels down and your knees tracking — cushioned running shoes make balance worse here.
Primary muscles
Quads · Glutes