
Barbell Side Squat
Quads, Glutes, Adductors


Legs / Beginner / Compound (multi-joint)
An explosive bodyweight exercise for the quads, with the calves, glutes and hamstrings assisting.
Why it hurts: Hamstrings are most often strained during maximal sprinting, and cold muscles are less tolerant.
✓ Instead: Warm up with easy running, drills and 3–4 build-up runs before any all-out effort.
Why it hurts: The hamstring is loaded while stretched, which is the typical strain mechanism.
✓ Instead: Land with the foot under the hips and think of pushing the ground back, not reaching forward.
How specific this exercise is to each movement.
Photos and instructions: free-exercise-db (github.com/yuhonas/free-exercise-db), public domain.