All muscles
Loading 3D model…
Drag to rotate · scroll/pinch to zoom · tap to select · double-click to zoom in on a muscle

Quadriceps

Hack Squat

Hack Squat (Start)Hack Squat (End)

A machine squat where you press your body up on an angled sled, loading the quads with back support.

Primary musclesQuadriceps
Secondary musclesCalvesGlutesHamstrings

Energy burned

≈ 37 kcalFor 3 × 8–12, rest 90s · ≈ 6.4 kcal/min

Estimate range 27–46 kcal (±25 %)

Muscle mass worked29 %
Effort during a set11.1 MET
Your lean mass53.5 kgBody fat estimated from BMI and age

Machine / cable: about 15 % less than free weights.

Estimate ±25 %: muscles worked (from the exercise data), sets, reps, rest and your body. See the planner for whole sessions.

Setup

  1. 1Set the machine's shoulder pads to your height and step onto the platform.
  2. 2Place your feet about shoulder width apart and slightly forward on the platform.
  3. 3Rest your back flat against the pad and unlock the safety.

How to perform

  1. 1Bend your knees and lower the sled until your thighs are about parallel to the platform.
  2. 2Keep your back flat against the pad and your knees tracking over your toes.
  3. 3Press through your whole foot to extend your legs.
  4. 4Stop just short of locking the knees.

Alternatives

See all

More with Machine

See all

Stretches for Quadriceps

See all