It is the rectus femoris, which along with the action of knee extension, it also flexes the hip
quadricep femoris
quadricep
Flexing the thigh, extending the leg, adducts leg
Examples are the Quadricep and the Hamstring, or the Bicep and the Tricep. Without the pair muscle, once an action was carried out, there would be no way to undo it.
Your thigh muscle is called your Quadricep.
Examples are the Quadricep and the Hamstring, or the Bicep and the Tricep. Without the pair muscle, once an action was carried out, there would be no way to undo it.
The hamstring muscle group (biceps femoris, semitendonosis, semimembranosis) are the antagonists to the quadricep group.
Rectus femoris and the three vasti
Quadriceps weigh about 90 pounds. What? Are you kidding? Where did you get this information? Shame on you for misleading readers in this manner.
The prim mover for hip flexion is the Rectus femoris. This is a quadricep muscle that crosses the hip joint.
In Latin quadriceps means four heads, and the quadriceps femoris muscle has four parts called heads.
The leg curl and leg extension exercises strengthens two muscle groups. The two muscle groups are the hamstring muscles and the quads or quadricep muscles.