Lie on your front.

Lift your body straight up resting only on your hands and the tip of your toes.

Do not round your shoulders or curve your lower back.

Once stabilized, lift your arm straight up in front of you.

Do not drop your hips or rotate your torso.

Repeat as prescribed.

Will help:

General fitness

Advanced Upper and Lower limb rehab

Hip flexor injuries

Shoulder stability

Groin injury

Osteitis Pubis