Chair Squat — start position
Start
Chair Squat — end position
End

Legs / Beginner / Compound (multi-joint)

Chair Squat

A machine exercise for the quads, with the calves, glutes and hamstrings assisting.

At a glance

Primary
Quads
Secondary
Calves, Glutes, Hamstrings
Equipment
Machines
Movement pattern
Squat
Level
Beginner
Type
Legs, Compound (multi-joint)

How to do it

  1. To begin, first set the bar to a position that best matches your height. Once the bar is loaded, step under it and position it across the back of your shoulders.
  2. Take the bar with your hands facing forward, unlock it and lift it off the rack by extending your legs.
  3. Move your feet forward about 18 inches in front of the bar. Position your legs using a shoulder width stance with the toes slightly pointed out. Look forward at all times and maintain a neutral or slightly arched spine. This will be your starting position.
  4. Slowly lower the bar by bending the knees as you maintain a straight posture with the head up. Continue down until the angle between the upper and lower leg breaks 90 degrees.
  5. Begin to raise the bar as you exhale by pushing the floor with the heels of your feet, extending the knees and returning to the starting position.
  6. Repeat for the recommended amount of repetitions.

Common mistakes

  • ✗ Knees shooting forward with the heels lifting.

    Why it hurts: Even without weight, hundreds of reps on the toes irritate the kneecap and patellar tendon.

    ✓ Instead: Sit the hips back and down with the weight in the mid-foot, arms reaching forward for balance.

  • ✗ Dropping onto the chair.

    Why it hurts: The spine takes a jolt and you skip the controlled part of the squat.

    ✓ Instead: Lower slowly, tap the chair lightly and stand without rocking.

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Muscles worked

Neck (Front)Upper traps (Front)Front delts (Front)Side delts (Front)Chest (Front)Serratus anterior (Front)Biceps (Front)Forearms & grip (Front)Abs (Front)Obliques (Front)Hip flexors (Front)Quads — primary (Front)Adductors (Front)Shins (tibialis) (Front)Calves — secondary (Front)Outer shins (peroneals) (Front)Feet (arch & toes) (Front)Neck (Back)Upper traps (Back)Upper back (rhomboids, mid/lower traps) (Back)Rear delts (Back)Side delts (Back)Rotator cuff (Back)Lats (Back)Lower back (erectors) (Back)Triceps (Back)Forearms & grip (Back)Hip abductors (glute med) (Back)Glutes — secondary (Back)Hamstrings — secondary (Back)Adductors (Back)Calves — secondary (Back)
FrontBack
  • Primary: Quads
  • Secondary: Calves, Glutes, Hamstrings

Best for

How specific this exercise is to each movement.

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Photos and instructions: free-exercise-db (github.com/yuhonas/free-exercise-db), public domain.