{"name":"Hyperextensions are a great exercise for the _________ & _________.", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Hyperextensions are a great exercise for the _________ & _________., Although ____________ work leg muscles too, they are excellent at working the erector spinae (lower back)., Front squats are meant to target which part of the leg?","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}