Clam

Clam

Sprint

Sled Lying Leg Press (Plate Loaded)

Front Knee Strike

Glute Bridge March

Groiners

Frog Sit-Ups

anonymous

Cable Pushdown (With Back Support)

High-Knee Sprint With Resistance Band

Barbell Back Extension (On Hyperextension Apparatus)

Lever Standing Leg Curl (On Leg Extension)

1 1 2 Tuck Ups

jocks - jockstraps - johnpersonsthepit