How to do it
Exhale steadily as you extend each limb to keep tension on the abs.
- 1
Lie on your back with your arms extended towards the ceiling and knees bent at 90 degrees.
- 2
Simultaneously lower your right arm behind your head and extend your left leg out straight.
- 3
Return to the starting position and repeat with the opposite arm and leg.
- 4
Continue alternating sides for the desired number of repetitions.
Expert tip
Coordinate your arm and leg movements to maintain balance and control, keeping your lower back pressed to the floor.
Common mistakes
- ✕Extending the same-side arm and leg together
- ✕Letting the extended leg drop to the floor
- ✕Losing the 90-degree hip and knee bend