1
Lie flat on your back with legs extended, shoulders relaxed, arms by your sides on the floor for support
2
Press your lower back into the floor to engage core stability before beginning the leg movement
3
Lower one leg slowly toward the floor at approximately 45-90 degree angle without touching down, keeping the other leg extended or bent for support
4
Press through the extended leg to raise it back up to vertical position, squeezing the quadriceps at the top before lowering again