Diamond push-up

Muscle group

Arms

Primary muscles

Triceps

Secondary muscles

Chest, Front delts

1. Start in a push-up position with your hands close together beneath your chest, forming a diamond shape with your thumbs and index fingers.
2. Keep your body straight and lower your chest toward your hands, keeping your elbows relatively close to your body.
3. Push through your hands and extend your elbows to return to the starting position.