Squat · Machine · Add load
Hack squat
Shoulders under the pads, back against the sled. Feet shoulder-width, a little in front of the hips, whole foot down.

- 1Unlock the sled and sit until the thighs are near parallel.
- 2Knees track over the toes. Heels stay down.
- 3Drive up and stop just short of locking the knees.
Easy to miss: Heels lifting, knees caving in, or bouncing out of the bottom.