Hack Squat

Instructions

Machine:

Primary:	Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius, Gluteus Maximus, Iliocostalis, Longissimus, Spinalis, Semitendinosus, Semimembranosus, Biceps Femoris
Secondary:	Adductor Longus, Adductor Brevis, Adductor Magnus, Gracilis, Gastrocnemius, Soleus, Tensor Fasciae Latae, Sartorius, Gluteus Medius, Gluteus Minimus, Iliacus, Psoas Major, Quadratus Lumborum

Male:	52.6%
Female:	51.6%