Muscles plank with Row and triceps extension works: triceps and upper back
- Start in a plank position holding a weight in each hand.
- Bend your left elbow and pull it up so it's in line with your shoulder.
- Pull your navel toward your spine to engage your abs, which will help you stay balanced.
- Exhale as you do a triceps kickback by extending your left hand behind you.
- Inhale to bend your elbow. This counts as one rep.
- Perform this exercise on the right side.