2 Of the “World’s Hardest Planks” [Tuto...

Forget crunches and sit ups.  I've been barking about the dangers of too many sit ups and crunches for years.  As someone who has congenital spinal stenosis, I am hyper aware of what movements cause potential back pain and make your discs bulge.  If you've never had back pain, either an acute onset (a sudden accident) or chronic pain that comes and goes, it's hard to give up all doing crunches and sit ups.  But you still should back off of them if you do more than a few dozen a day.  That repeated motion wears away the outer lining of your intervertebral discs over time.  Discs are one of the few body parts that don't have the means to regenerate themselves after they're damaged.  And, if you do suffer from back pain, you should definitely give up the sit ups and crunches as a general rule.  Planks are...
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Is Your Favorite Workout on Trend? The Top 10 Fitness Tr...

What will the hottest workouts be in 2018?  And, more importantly, will you be doing them? Every year the ACSM (American College of Sports Medicine) releases a survey of thousands of fitness professionals and I report on them.  The survey authored by Walter Thompson, PhD., FACSM asks a sample...
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