side jackknife

side jackknife 

start: lie on your right side, keeping your left
leg over your right one, bending your knees
slightly. place your right hand in  a comfortable
position rest your left hand behind your head.

move: As you pull with your obliques, bring
your torso and left leg together. hold the
contraction briefly and lower slowly do reps to
both sides to complete one set. tip: try holding
your floor- side hand on your obliques to feel
them contract.