there are many muscles involved some include acromion of scapula, adductor femoris longus, and flexor carpi radialis, etc.
extensor digitorum
extensor digitorum
gastrocin
cranial tibial muscles
The flexor carpi radialis is the agonist muscle in wrist flexion. This muscle, know as a wrist flexor, is located in the forearm.
Extensor carpi ulnaris
the wrist flexors and wrist extensors
Flexion of the digits and the wrist
Extensor Carpi Radialis Longus
The Neck Muscle
Latissimus dorsi is the muscle that extends from the ribs to the pubis and compresses the abdomen.
trapezius muscle
Triceps Brachii extends the forearm at the elbow joint.