Below is an article by Dani Shugart, talking about training, goals and body image. She takes a close look at fitness culture and brings in some excellent points about beliefs that do not serve to better people in training and provides alternatives them.
This article is not specific to martial arts but definitely has lots of applicability to martial artists, or any one who does does physical training.
For the full article, click the link below:
https://www.t-nation.com/powerful-words/4-politically-correct-fitness-lies
(Reproduced under fair-use and with credit)