Here's my current fav squat warmup: 3 sets of: A1) Knee warmup in rotation ("tibial rotations") x 5 reps/side A2) Dynamic calf stretch ("bottom half calf raise") x 5 reps/side A3) Activate front of ankle ("tibialis raises") x 10 reps 3 sets of: B1) Dynamic inner thigh stretch ("Tailors pose lifts") x 10 reps B2) Standing hip opener x 5 reps/side . . Do you have favorite exercises you love to do before squats?