Ask the Professor

Ask the Professor: Hamstring Conditioning Ball Curl

Complete 2-3 sets, 10-20 reps; roll in for 1 count, hold for 4 counts, roll out for 2 counts.

Get to the bottom of your “tight” hamstrings with Erin Calderone, MS, NASM-CPT, CES, BCS, AFAA-GFI, in her Ask the Professor column.