How to do it
Pause for one count when the elbow meets the knee before switching sides.
- 1
Lie flat on your back with your hands placed lightly behind your head.
- 2
Bend your knees and place your feet flat on the floor.
- 3
Contract your abs to lift your shoulder blades off the floor.
- 4
Bring your right elbow and left knee towards each other while extending your right leg out.
- 5
Return to the starting position and repeat on the opposite side.
- 6
Alternate sides for the desired number of repetitions.
Expert tip
Ensure you are engaging your core throughout the movement to maximize the contraction of the abdominal muscles.
Common mistakes
- ✕Yanking the head forward with the hands
- ✕Dropping the extended leg to the floor
- ✕Hiking the hips off the ground