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In the late 80s and early 90s, Cindy Crawford practically defined the era of chic supermodels who graced the high fashion runway and stood out in popular culture. Indeed, her famous beauty mark and legendary figure were envied by all — it’s no wonder the release of her 90s fitness video, “Shape Your Body,” became an instant hit. But despite her retirement from the modeling industry, Crawford still flaunts the same fabulous physique that landed her in magazines and secured her spot as an iconic supermodel. 

Although over a decade has passed since the release of her first fitness tape, Crawford still makes sure to keep things tight with her fans (and her body, of course). Recently, she shared an Instagram video of the ab-burning workout that she developed with trainer Sarah Hagaman.

Below are the eight exercises described with step-by-step instructions to attempt the workout at home. Follow Crawford’s directions by performing each move for an increasing number of reps each time a new set gets completed. That is three rounds of 20-30-40. 

Standing Bicycle Crunch 

Stand with your legs shoulder-width apart and place your hands behind your head. Then alternate raising your knee to your chest while connecting your elbow to the opposite knee that’s being raised. 

Sumo Squat Side-To-Side Crunch 

Stand with your legs shoulder-width apart and place your hands behind your head. Meanwhile, bend your legs to form a slight squat. Leading with your elbows, alternate leaning your upper body to the sides of your hips. 

Low Plank Ab Saw

Get in a plank position with your elbows to the floor. Then slowly sway your body forward and backward, using your arms and toes to guide your movement. For this move, do four reps then hold before repeating the process. 

Low Plank With Alternating Knee Taps 

Get in a plank position with your elbows to the floor. Then alternate bending your knee toward the floor while keeping your upper body and stomach tight. 

Hamstring Hold With Alternating Scissors 

Start with your back to the floor and legs straight. With your abs tight and upper body slightly lifted from the ground, alternate raising each straight leg to your chest. Use your arms to catch your legs and guide the movements. 

Bicycle Crunches 

Though not shown in the video, start with your back to the floor and legs straight. Meanwhile, place your hands behind your head while lifting your upper body from the ground. Keeping your abs tight, alternate bending each knee, and bringing it to your chest. Simultaneously bring your elbow to the opposite knee as it comes toward your chest. One rep involves working on each side. 

Alternating Knee Plank 

Start with your hands and knees on the floor (you’re positioned on all fours). Then simultaneously raise one arm straight in front of you while raising one leg — on the opposite side — straight behind you. Crunch your body inward by reaching your elbow to the opposite knee. After, return to the initial position, and that’s one rep. Of course, make sure to switch sides and work the opposite side of your body.

Side Body Raises To Oblique Crunch 

Lie down on your side with your body straight on the floor. Use the arm nearest to the ground to balance yourself by extending it toward the floor in front of you. Place the hand — on the opposite arm — behind your head. Then simultaneously raise both legs upward while crunching your upper body to the sky. Repeat the previous position to complete one rep.  Of course, make sure to switch sides and work the opposite oblique.