PREPARATION
1.Lie on your right side. Rest 
  your head on your right hand, 
  and place your left hand on the 
  floor in front of you.
 
2.Place your left knee on the
  floor in front of you, at right
  angles to your body.

3.Straighten your right leg and 
  flex your foot.

EXERCISE
1.Breathe out as you raise your 
  right leg away from the floor.

2.Hold briefly, then breathe in 
  as you lower your leg back to
  the floor. 

The range of movement may be
small. Do not twist or jerk your 
leg to compensate.

MAINLY FOR: Adductors

To make this exercise more 
demanding, wear ankle weights.