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What muscle in upper arm that extends lower arm?
The posterior deltoid is one extensor of the upper arm.
Which muscle is the prime mover for arm abduction?
The latissimus dorsi is the muscle responsible for moving the arm posterior or backwards.
When you perform flexion on your arm the biceps muscle contracts What happens to the triceps muscle on the posterior of the arm as you do this action?
The Triceps extend (Stretch out) as the biceps contract.
What muscle will insert at the posterior calcaneus?
The soleus muscle inserts into the posterior calcaneus via the Achilles tendon.
Is the pectoralis major muscle anterior or posterior to the subscapularis muscles?
The pectoralis major muscle is anterior to the subscapularis muscles, as it lies in front of the shoulder joint and rib cage. The subscapularis muscles are located on the posterior aspect of the shoulder blade and assist in internal rotation of the arm.
What is the slender muscle that parallels the posterior belly of the digastric muscle?
Stylohyoid Muscle
Which muscle is the prime mover for foot inversion?
tibialis posteriorTibialis anterior and posterior tibialis posterior
What are the key differences between the anterior and posterior arm?
The key differences between the anterior and posterior arm are their location and the muscles they contain. The anterior arm is located on the front side of the arm and contains muscles like the biceps brachii, while the posterior arm is located on the back side and contains muscles like the triceps brachii.
Posterior portion of the brain that coordinates muscle movement?
The brain stem controls muscle movements. Even involuntary movements are controlled by the tiny brain stem. Without the use of your brain stem, you will not "remember" how to do the simplest task.
When the arm is raised a located at the shoulder is responsible for this movement?
The deltoid muscle, specifically the anterior portion of the deltoid, is primarily responsible for raising the arm at the shoulder joint. This muscle is located on the outer part of the shoulder and is involved in various arm movements, including shoulder abduction.
Why are the deltoids important?
The deltoid muscle helps to prevent the dislocation of the long bone in the upper arm. The blood supply to the deltoid is through the posterior circumflex humeral artery.
Which muscle is the most superficial muscle of the posterior neck and thorax?
trapezius
