Wall squat with isolated bicep curls
Squat down on the wall with back supported up against the wall. Have your knees at a 90-degree angle; thighs parallel to the floor.
Hold dumbells down beside you with your palms up. Have your upper-arm flush against the wall and curl the dumbell up and exhale. Inhale as you bring the weights back down to your sides. Do not raise upper-arm off the wall.
15-20 Reps, 3 sets.