The move: The 100

Works on: Great for the circulation, great to warm up the heart and lungs and nice for the tummy, too.

David Sprague/Los Angeles Daily News (ENLARGE)
Mari Winsor does The 100 with the legs straight at a 45-degree angle. Knees may also be slightly bent.
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Related: • Diet & fitness news and tips • Weight loss success stories • More health news Previous tips: The iso-ab plank  Front Raise  Weighted alternating backward lunge with initial knee-up position  Crisscross with 1- or 2-pound weights  Double leg stretch  Active Side Squat with Weights  Bent Forward Row  Wrist Curl  Plie With Upright Rows  Side Waist Toner  Triceps push-up (bench dip) off chair with added weight  Single leg stretch  Inclined Push-Up Off Step  Angled Simultaneous Biceps Curls  Super Man (Back Hyperextension)  Roll-Up With Weights  Hip flexor stretch  Floor Butt Lift  Standing Quadriceps Stretch  Deadlift with shoulder press and rotation  Milk/Detergent Jug Diagonal Lunge With Reach  Isometric Chest Press  The 100  Water Bottle Squat, Curl, Press, Extend and Lateral Descent  Butt Blasters with rotation  Deadlift with shoulder press  Milk/Detergent Jug Single Leg Crossover  Heel Digs  Shoulder Blade Kiss  Hip Lift  Push-up to Reach Back  Hamstring curls  Stagger Stance Two-Arm Band Chest Press  Knee Lift  Neck Stretch  One-Legged Lateral Raise  T-pose

Setup: With a 2-pound weight in each hand, lay flat on your back, arms at your side and legs fully extended.

Step 1: Raise your legs to a 45-degree angle; it's OK if your knees are slightly bent. Pull in your ribs and stomach, lift up your head and reach forward with your arms.

Step 2: Without bending your elbows, pump your arms up and down at your side. Inhale for 5 seconds; then exhale until you reach 100.

Fit tip: Remember to squeeze your buttocks and inner thighs and breathe into your stomach muscles; push your stomach muscles down. Also, try to avoid hunching your shoulders; reach with your arms so your shoulders remain level.

Repetitions: Inhale for 5 and exhale for 5 until you reach 100 counts.

Certified trainer, Mari Winsor began developing her innovative workout nearly 20 years ago and opened her first Pilates studio in 1990 in Los Angeles. She has co-written several books, and her series of Winsor Pilates DVDs have sold more than 5 million copies worldwide.

— Los Angeles Daily News