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3
votes
2answers
414 views
Which personal trainer certifications are most respected? [closed]
I'm considering pursuing Personal Trainer certification, and I quickly realized there are a large number of organizations that offer personal training, including:
ACE
NPTI
NASM
ACSM
NSCA
NCSF
...?
...
3
votes
4answers
235 views
How to optimize effort?
Say I run 5 times a week, 2 hard sessions and 3 easy sessions are usually considered better than 5 sessions at the same level.
What would be the best approach to estimate how optimal my effort is ...