Exercise

Elbow to Knee

Also known as: crossed leg crunch, elbow knee crunch, figure four crunch, lying elbow to knee

Elbow to Knee is a compound exercise for the abdominals. Main target: obliques. No equipment needed — just your bodyweight.

EquipmentBodyweight

TypeCompound (multi-joint)

MovementPull

CategoryStrength

Muscles worked

Primary

Lie on the floor, crossing your right leg across your bent left knee. Clasp your hands behind your head, beginning with your shoulder blades on the ground. This will be your starting position.
Perform the motion by flexing the spine and rotating your torso to bring the left elbow to the right knee.
Return to the starting position and repeat the movement for the desired number of repetitions before switching sides.