Never Do a Sit-Up If…
Published: Fri, 05/24/19
=> NEW 4 - Minute Kickboxing Based Sequence Torches Off Belly Fat FAST
Would you try it? I bet you would.
You'll even see a noticeable change to your stomach in just 7 days...
The fact of the matter is you should NEVER do crunches or sit-ups.
Here is video for you to watch and really understand how this ONE move ages your spine:
Move Well, Live Well
Brian Klepacki, MS, CSCS, FMS2
CriticalBench.com