STARTING POSITION:
Stand straight with your feet shoulder width apart. Raise your arm and place your shoulder and elbow around 90º. Your palm should face to the roof.
MOVEMENT:
Moving only your wrist, move your hand to place the palm facing the floor. Your fingers should point away from you. Return to the starting position in a smooth movement. Repeat the movement for the specified amount of repetitions and then repeat with the other arm.
TIPS: The exercise key is quality over quantity. The trick is to perform the exercise using proper form.
