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  Video: Toned thighs? These easy leg lifts will do the trick

  

  Tired of crunches? Then you haven't tried this revved-up version

  

  Want abs? Then you have to try these oblique V sit-ups

  

  You haven't really done planks until you've done this core challenge

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  Put your back into it: How to do squat reverse taps

  

  Side-lying reverse flys: They're easy to do and work your core

  

  Want to work your glutes? Then you've got to kick it (like this)

  

  These killer leg lifts are a serious core workout. See why

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  Think you can plank? Then you haven't tried it this way

  

  This 2-in-1 exercise will have you fit in no time

  

  Want to really test your core? Try the bosu balance challenge

  

  Tired of lunges? Here's how to make them exciting again

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  Mix up your workout with these fun exercises

  

  Bored of your workout routine? Here's how to make it exciting again

  

  Video: Work that core – challenge yourself with bosu plank rocks

  

  Work your core with side plank with reverse fly

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  How to avoid the most common push-up mistakes

  

  Video: How a French press on ball works almost your entire body

  

  Work your core with a V-hold resistance-band punch

  

  Wanna really work those abs? Try this ball exercise