C Cupcake New member Sep 4, 2010 #1 If you extend your leg at your knee, then the quads contract, right? That is, they are CONCENTRIC muscles for leg extension, right? If you flex your hip, then what muscles are the ECCENTRIC muscles? Thanks!
If you extend your leg at your knee, then the quads contract, right? That is, they are CONCENTRIC muscles for leg extension, right? If you flex your hip, then what muscles are the ECCENTRIC muscles? Thanks!
