Go for twist exercises like the Russian twist ... Put your right arm on the mat and your left hand behind your head. Crunch up in a V, getting up on your hip and butt. Keep your legs straight.

this Russian twist ensures that you are working your transverse abdominus (TA) muscles. Lie down on your back with your head straight on the floor and your arms stretched out to the sides.

Transform your upper arms with the Barbell Reverse Grip Skullcrusher! Target your triceps effectively, perfect your technique ...