The squat isn’t a gym exercise. It’s a human movement.
Before gyms, before fitness trends, before “leg day” — people squatted to survive. Babies squat perfectly. Adults gradually lose it thanks to chairs, cars, and comfort. Then, for some reason, we enter a gym and convince ourselves that stopping halfway down is “safer.”
It isn’t. It’s just incomplete.
If you care about your knees, hips, spine, and whether your body still works in 20 years, you must squat below parallel. That means the crease of your hip passes below the top of your knee. Anything less is not a squat.
Why Depth Matters
From a physics point of view, the squat is applied force through levers. Gravity pulls the bar down. Your hips and knees produce torque to move it back up. When you cut the depth, the load shifts forward and stress piles into the knees. Go below parallel and the big engines — glutes, adductors, and hamstrings — finally engage.
Biomechanically, the knee is designed to bend deeply. Joints don’t wear out from use — they break down from underuse or misuse. When you squat properly, synovial fluid nourishes the joint, connective tissue strengthens, and load gets distributed instead of concentrated.
From a bone health standpoint, deep squats send the strongest possible signal to maintain bone density. Bones respond to compression. Avoid loading them and they thin. Load them well and they thicken. There is no substitute.
As for injury risk — the myth that deep squats destroy knees needs to die. Partial squats generate more shear force at the knee because the hamstrings are under-trained. A deep squat activates the posterior chain, balancing the forces and protecting the ACL. Proper depth doesn’t hurt knees. Poor mechanics do.
Coach’s Notes: How To Squat Below Parallel (Properly)
Here’s how you make the squat strong, safe, and worth doing:
1. Start With The Right Stance
Feet just outside shoulder width. Toes slightly out. Straight feet lock the hips before you even move.
2. Keep The Bar Over Midfoot
Balance equals strength. The bar should move in a straight line over the middle of your foot — not forward, not drifting.
3. Take A Big Breath And Brace
Before you descend, take a breath and lock your core down like someone’s about to punch you. A soft torso leaks force. A braced one transfers it.
4. Screw Your Feet Into The Floor
Without moving them, try to rotate your feet outward. This creates tension through the hips, wakes up the glutes, lifts the arch, and stabilises the knee. Solid feet = solid squat.
5. Knees Track The Toes
Your knees should always move the same direction as your feet point. No caving. No drifting. Alignment is joint insurance.
6. Sit Back And Down
This isn’t a bow and it’s not a knee bend.
Your hips move. Your knees move. Both work together.
7. Hit Correct Depth
Hip crease below knee. Not close. Not nearly. Below.
8. Control The Bottom
If you dive-bomb the descent, you don’t get strength — you get stress. The last few inches matter the most.
9. Drive Your Hips Up
You don’t “lift your chest.” You drive your hips — the body follows. Efficiency beats drama.
10. Stay Tight Where It’s Hardest
Most people lose tension at the bottom. That’s like letting go of the steering wheel on a corner. The bottom is where control matters most.
11. Earn Your Load
Weight goes up when form is earned. Not when ego demands it. Half-depth with big numbers isn’t strength — it’s pretend.
12. Film Your Squats
Side view for depth and bar path. Front-angle view for knees and hips. The camera never lies. Your memory and perception often does.
The Bottom Line
Most people don’t avoid depth because they can’t reach it. They avoid it because it feels uncomfortable. That’s exactly why you should go there. Half squats build half bodies. Life doesn’t operate in half positions. You stand from low chairs. You lift heavy objects from the floor. You stumble and recover.
The bottom of the squat is where all of that strength gets built. This is where knees become resilient. This is where bones stay dense. This is where ageing slows down. This is where confidence quietly grows. If you want entertainment, go to a bootcamp. If you want a body that works — squat properly.
Below parallel. Every time.