Woman in gym lifting dumbbell at bench. Thrust dumbbell in one hand standing in slope is a basic exercise for development of broadest muscle of back, simultaneously involved trapezius muscle, biceps, rear beam deltas and forearm. Lean your left hand on bench, but leave your left foot on floor. Left leg should be quite bent at the knee and put in front of the right. Right leg should be almost straight in knee. Torso almost parallel to floor.