Which one of these is not like the others?
Workout(another gem from the CrossFit Mothership:
Complete as many rounds in 20 minutes as you can of:
100 m Run
1.5 pood Kettlebell swings, 12 reps
Post rounds completed to comments.
“The Most Important Exercise Tip”
“Cortisol is a hormone produced by the body under stress, such as anger, anxiety or fear, and it ultimately inflames and damages our organs. Exercise burns cortisol, and thereby makes us healthier and happier, Mandel says.”
“. . .Some say endorphins are even more powerful and yield a more euphoric feeling than opiate drugs such as morphine and opium, which park on the same receptors when introduced to the body.”
“A single exercise session lasting 20 or 30 minutes at 80 percent of your capacity brings on pain-relieving endorphins, according to work by Robert G. McMurray of the University of Carolina at Chapel Hill.”
“Alan Goldfarb of the University of North Carolina-Greensboro also says endorphins are only associated with heavy weightlifting or any kind of exercise during which you sprint (such as during running, biking, swimming).”
Sounds like CrossFit to me.
I am off to enjoy my high . . .
A word on substitution and ego checks – (click “continue reading”)