Muscle and Skeletal Interaction Flashcards
What muscle is responsible for abduction of the arm at the shoulder joint?
Deltoid
Describe the movement of abduction
Movement of a limb laterally away from the midline of the body
Where does the soleus insert?
The calcaneus
What muscles are responsible for the flexion and extension of the arm?
Biceps brachii, triceps brachii, brachialis, latissimus dorsi
What causes muscle fatigue?
Insufficient intracellular quantities of ATP due to excessive consumption
What is the function of the adductor muscles?
Adduction of the thigh
What muscle group is responsible for flexing the knee?
Hamstring muscle group
What is the function of the orbicularis oris?
Closes, purses, and protrudes the lips
What muscle group works with and assists the action of a prime mover?
Synergists
What muscles are responsible for thigh flexion?
Iliopsoas, rectus femoris
What is the function of the extensor digitorum longus?
Extension of the lateral four toes
Describe the main functions of the muscular system
Production of movement, maintenance of posture, stabilization of joints, generation of heat
