overexert
1. [ verb ] exert (oneself) excessively and go beyond one's strength
Examples:

"don't overexert yourself when exercising!"

Related terms: exert overexertion
Similar spelling:   overexertion
  Overstreet
  overseer
  overeager
  overreact
  overextend
  overexpose
  oversee
  overexcited
  overexploit
  overreaction
  overstretch
  oversexed
  overreach
  overexposure
  overcomer
  overstress
  overspread
  overskirt
  overgreedy
  overweight
  oversea
  oversew
  overuse
  overcareful
  overage