To counterbalance a day of green beer, boisterous behavior, and a subsequent big hangover, fitness expert Phong Tran and GymRa put together this quick and effective workout. Follow these easy steps to burn and slash those excess St. Patty’s Day calories for a tight core.

BALL CRUNCH – 20 Reps On Each Side 

Step 1. Lay on stability ball, with upper back just off the ball. Place arms behind head, elbows out.

Step 2. Raise your body and twist elbow to opposite side, so that your shoulder is 6 inches off the ball.

Step 3. Lower body. Alternate. Repeat.

BICYCLE CRUNCHES – 15 Reps On Each Side 

Step 1. Lay flat on your back with your hands behind your head. Raise right elbow toward opposite knee.

Step 2. Raise left elbow toward opposite knee. Alternate and repeat.

Step 3. Keep back flat on the mat. 

PLANK INTO JACK KNIFE  - 12 Reps 

Step 1. Place shins on ball in plank position.

Step 2. Roll the ball toward you, raising your butt as high as you can. Keep your knees straight.

Step 3. Pause, roll ball back and straighten out legs. Repeat. 

PLANK WITH LEG LIFT – 15 Reps

Step 1. Get on all fours. Keep your back parallel to the floor.

Step 2. Bend your right knee, lift your leg and point your foot straight up.

Step 3. Raise your right thigh, squeezing your glutes. Pause. Lower back to starting position. Repeat.

SCISSOR CRUNCHES – 15 Reps

Step 1. Lay flat on your back with your knees bent and feet on the floor.

Step 2. Keep your one foot on the floor, raise opposite leg and touch your toes with opposite hand.

Step 3.  Lower your leg. Repeat and switch sides.