The quadruped bent-knee hip extension exercise was shown to elicit a higher degree of muscle activation in the gluteus maximus and gluteus medius and the hamstrings. Facebook - https://www.facebook.com/VentunoFitness Twitter - https://twitter.com/VentunoFitness Youtube - https://www.youtube.com/user/ventunofitness A Ventuno Production http://www.ventunotech.com