4hon MSN
No, not sit-ups — try the runner's plank to strengthen your abs without hurting your lower back
The runner's plank is an alternative I use as a certified trainer when sit-ups aren't possible, and this is exactly how to do ...
You can make paper in Minecraft and use it to craft books, maps, and even fireworks when combined with other material.
Planks are a great exercise for your core and entire body. Here's how to do a few different types of planks to get the health benefits.
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