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4 -minute fitness challenge for the belly and arms

The challenge consists of only two exercises : bicep curls and crunches

THIS short training ‘ll strengthen biceps and shape the abdominal muscles – two muscle groups which most men given special attention .

The challenge consists of only two exercises : bicep curls and crunches . Although these movements are not complicated , a large number of repetitions and maintaining proper form quickly and sweat .

The challenge :

Grab a pair of dumbbells of 12 pounds and made ​​25 bicep curls . Without resting drop the weights and make 25 sit-ups . This is one set .

It is necessary to do 3 sets of as fast as you can . If you become difficult to maintain proper form , stop and pause .

Training Todd Durkin explained each step of this fun challenge , and he managed to finish in 4 minutes and 19 seconds . Can you beat that ?

4 -minute fitness challenge for the belly and arms was last modified: April 5th, 2015 by admin

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