Hold your left hand at chest level. Vigorously shake your hand to a count of ten. This helps to warm and limber up the left hand.
Place the palms of the left and right hands together. Align the thumbs and fingers of the two hands together. Press the right hand into the left hand. Resist the pressure of the right hand with the left hand. Gradually push the left hand downwards with the right hand and then push the right hand up with the left hand. This exercise strengthens the wrist of the left hand.
Hold two golf balls in your left hand between the thumb and fingers. Rotate the two balls with the fingers and thumb several times. This will build strength and endurance in the left hand.
Place a small rubber ball in your left hand and form a fist with the ball in the center. Squeeze the ball five to ten times. Repeat the exercise several times.
Hold your left hand in an upward position about chest level. Curl the index finger down until the tip of the finger touches the tip of the thumb. Keep the other three fingers in the upright position. Squeeze the index finger and the thumb together for ten seconds. Straighten the index finger to the upright position. Repeat the exercise with the middle, ring and little fingers.
Massage the thumb and fingers of the left hand with the right hand. Grip the thumb with the right hand and gently pull it as you massage it with the right hand. Massage the other fingers in the same manner.