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(Odd numbers engage your mind more than even ones, so you focus less on fatigue.)
It’s so quick, the big boss will never know you’re gone.
Watch, Chanel, $6,450; 800-550-0005.
Bracelet, Van Cleef & Arpels, $27,100;VanCleefArpels.com.
Cycle through the moves for 7 minutes, then take a 1-minute break.
Squat until thighs are parallel to floor (as shown).
Stand as you extend arms to press weights overhead.
Return to start; repeat.
Do 7 reps.
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Bikini top, $85;Mi-Ola.com.
Shorts, Elisabetta Rogiani, $65;Rogiani.com.
Grip handles; turn them to unlock platform.
Bend knees to 90 degrees (as shown), then press back to start.
Jump feet toward hands (as shown), then jump feet back to start; repeat.
Do 7 reps.
Minutes 8 to 15
After your 1-minute breather, immediately start your second circuit.
Cycle through the moves for 7 minutes, then take a 1-minute break.
Pull handles toward body, squeezing shoulder blades together (as shown).
Extend arms back to start.
Bend knees and crunch up until abs engage (as shown).
Hold for 1 beat, then return to start; repeat.
Move fast to do as many rounds as possible.
Grasp handles and, with arms straight, place knees on platform.
Press up to return to start; repeat.
Do a push-up, then pull left knee toward left elbow (as shown).
Sports bra, Colosseum, $44;Amazon.com.
Shorts, Onzie Active Apparel, $44;Onzie.com.
White headband, Under Armour, $10 for pack of six;UA.com.
Black headband, $10;Adidas.com.