Depth builds the quad
Squat depth strongly influences how much the quadriceps has to do. Shallow squats build shallow strength.
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Trainer's Eye
The positions that load the quadriceps hardest — heels elevated, torso upright, one leg behind.
Squat depth strongly influences how much the quadriceps has to do. Shallow squats build shallow strength.
The quadriceps fires as a unit. Train it through full range rather than chasing one part of it.
Strength while the muscle lengthens is what resists a strain. It is trained with slow lowering, not with stretching.
Three couplets · two rounds · twelve minutes · a thigh that holds
Heels on a book; sit straight down with an upright chest, knees travelling over the toes.
Easier flat feet · Harder hold a backpack
Pack at the chest, elbows inside the knees; sit between the heels and drive up.
Easier bodyweight · Harder heavier
Long step back, front shin vertical, torso tall; drive up through the front heel.
Easier hold a chair · Harder hold a backpack
Rear foot on a chair; lower straight down with the front heel flat and the torso tall.
Easier split squat on the floor · Harder hold a backpack
From a step; lower the free heel to the floor over three seconds, knee over the toes.
Easier lower step · Harder higher step
Lean back as far as you can control, ideally to the calves, then drive back up.
Easier partial range · Harder arms crossed
Each couplet: 60 s scored → the loading set → 10 s to move on. Done at 12:00.