The prime mover for back extension is the Erector Spinae. It consists of three groups ( longissimus, iliocostalis, and spinalis)
Rectus Abdominis (sixpack)
erectus spinae
The rectus abdominis
Prime mover is the bicep and the antagonist is the tricep.
prime mover (agonist)Not sure what you're asking here, but the biceps brachii is the prime mover facilitating flexion at the elbow joint.
Bicep Femoris
Gastrocnemius
Pectoralis major
Extension
tiil adidas
a prime mover is the main muscle that causes movement. In the case of the hip flexion, the prime mover would be the rectus femoris or the ilopsoas
Tiil adidas is the prime mover of ankle plantar flexion.
The prime mover for knee flexion is biceps femoris, semimembranosus, and semitendinosus. The prime mover for knee extension is the Quadriceps â?? vastus lateralis, vastus medialis, vastus intermedius, and rectus femoris
your rectus abdominis is the prime mover in a crunch exercise or spinal flexion
The prim mover for hip flexion is the Rectus femoris. This is a quadricep muscle that crosses the hip joint.