1
vote
1answer
47 views

I still kinda have a cramp from when I ran [closed]

So in gym class we had to run for 12min and I did 2.3km during that time. At the end I had a really bad cramp, but when she said 1min left, I still sprinted during the hole time. At the end I had a ...
4
votes
1answer
104 views

Sprint training for long distance

I am going to participate in a half marathon in the 1st week of July and 3/4 Ironman in the 2nd week of July. I am training 11 sessions a week. 8 sessions of swimming with lot of floor exercises ...
3
votes
1answer
79 views

Change in eating habits from Half Marathon to 6 mile

For a half marathon I spent the week before carb loading and hydrating. I'm running a 6 mile soon and would like some 5Km races too. How should I change my diet for different length races? Should ...
13
votes
4answers
4k views

Why does cardio/aerobic exercise lead to muscle loss?

Recently, I've been reading a lot about how cardio reduces muscle mass and strength. The following is an excerpt from crossfit.com that seems to sum up what I've been reading: Aerobic training ...