The Move: Crisscross with 1- or 2-pound weights.

Works: The abdominals, arms and legs.

David Sprague/Los Angeles Daily News (ENLARGE)
In the first step of the Crisscross With Weights, one elbow touches the opposite knee.
David Sprague/Los Angeles Daily News (ENLARGE)
Then switch sides, with the other elbow touchingits opposite knee.
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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 1- or 2-pound weight in each hand, lay flat on your back, clench fists and bring them together on your chest with the elbows open to the side. Lift your head an shoulders, fold one knee into the chest at a 45-degree angle.

Step 1: Twisting from your waist, raise your upper body (keeping your ribs in and stomach engaged) and touch one elbow to the opposite knee.

Step 2: Switch sides and repeat.

Repetitions: Do this exercise 10 times.

Fit tip: Remember to keep your legs within the frame of your body.

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