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Re:Everything You Know About Fitness is a Lie (2011) by dredmorbius on Thursday December 27, 2012 @07:13PM (#4975797)
And among the bright points of the original essay: it details the perverse incentives which lead to specifically this problem.

Quite the market failure IMO.

Re:Everything You Know About Fitness is a Lie (2011) by Swannie on Friday December 28, 2012 @05:42AM (#4977227)
Yes, trainers in a "Globo" gym are incentivized on membership sales, repeat personal sessions, and importantly: running classes. The more classes they are "trained" to run, the more valuable they are as an employee.