• Stand with your feet a little wider than hip-width apart, bending the knees slightly. Make fists and place your arms bent in front of you at about chin level. Squeeze your shoulder blades together, chest up and engage the abs.
• Punch your left arm upward over your shoulder toward the ceiling on your right and bring it back in front of you. Switch and punch your right arm upward toward the ceiling on your left. That’s one rep.
• Repeat this as quickly as you can for a desired number of reps or duration.
• Keep your chest up, back flat and look ahead.
• Do not let your knees collapse to the inside or go over your toes.
• Keep your non-punching hand by your chin.
• Don’t hold your breath. Remember to breathe throughout.
You should feel your:
• Shoulders and triceps.