MTC balance supine on float (level 2) - lifting lower arm

Lie on your back with a noodle under your hips and your head rested back into the water.
Bring both of your arms out to your sides.
Tighten your stomach muscles and keep your hips level.
Keeping your elbows on the surface of the water, slowly lift one of your forearms.
Don’t allow your body to turn.
Lower your forearm and repeat with the other.