Trainer: Chelsea Pereira, Tilton Fitness in Northfield

Exercise: Shoulder taps with up/downs

Muscles targeted: Shoulders, triceps, chest, back, abdominal, & obliques

Equipment: Mat

Sets/reps: 3 sets/12 reps

Start in a push-up position with arms and legs straight. Touch your right hand to your left shoulder, followed by your left hand to your right shoulder. Then bring your right elbow to the ground followed by your left elbow (your body weight is now supported by your elbows and feet); push off your right hand, then your left until your arms are straight again (starting position). This is one set. Repeat for 3 sets.