6 red flags to look out for when hiring a personal trainer, according to fitness professionals
Briefly

A trainer should have practical experience in the field. Time in the field sharpens a trainer's ability to read body language, adapt communication styles, and generate energy and engagement in various environments.
'No pain, no gain' isn't a mantra any trainer should have. A good trainer shouldn't force you to push through pain or attempt to diagnose it.
Read at Business Insider
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