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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

  

  Put your back into this easy floor exercise

  

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

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

  

  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

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

  

  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

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  Work your core with side plank with reverse fly

  

  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