Crossed-arms Crunch
Abs Bodyweight Crunch (arms crossed) Hip Flexors
original: redgifs.com/watch/GiganticRaggedIndianelephant
One-Arm Burpee
Barbell 45 Degree Back Extension (on hyperextension apparatus)
Elbow-to-Foot Lunge
Staggered Lunge
Weighted Back Extension (on hyperextension apparatus)
Lever Power Runner (plate loaded)
Cable Standing Leg Raise
Barbell Stepover
Hip Extensions
Walking Lunge With Overhead Weight
Smith Step Down
Lever Lying Leg Press (plate loaded)
Plank
Lever Lying Leg Curl
Fire Hydrant In-Out
Walking Knee Hugs
Cable One Arm Pushdown
High Knee Run
Lever Pushdown
Crescent Circle
Cable Pushdown (with back support)
Bridge Frog Pump
1 1 2 Tuck ups
Weighted Hyperextension