inspiremethin: Jumping jacks are an awesome cardiovascular exercise! They’re easy, so anyone can do them. They get the heart rate up pretty fast and are good for increasing cardiovascular health. Not to mention they pack a serious calorie burn! But doing only 100 at a time or 500 jumping jacks spread out throughout the day isn’t really helping you. The key is to sustain an elevated heart rate for an extended amount of time. So here’s a challenge I’ve come up with. Build your endurance until you can do 20min of jumping jacks (not including rest time). By the time you’re done, you will have killer calves! That’s a promise! Good luck and happy jumping!  Use this stopwatch to track your progress. To discuss your progress use the tag: 20minjjc

inspiremethin:

Jumping jacks are an awesome cardiovascular exercise! They’re easy, so anyone can do them. They get the heart rate up pretty fast and are good for increasing cardiovascular health. Not to mention they pack a serious calorie burn! But doing only 100 at a time or 500 jumping jacks spread out throughout the day isn’t really helping you. The key is to sustain an elevated heart rate for an extended amount of time. So here’s a challenge I’ve come up with. Build your endurance until you can do 20min of jumping jacks (not including rest time). By the time you’re done, you will have killer calves! That’s a promise! Good luck and happy jumping! 

Use this stopwatch to track your progress.

To discuss your progress use the tag: 20minjjc

Jan 1 ∞ 12:24pm
1,520 notes
tagged as: jumping jacks. challenge. cardio. fuck yeah.
reblogged from mylife-mylove-mybody
originally posted by inspiremethin

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    no treadmill? no excuse
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