Study Questions
Muscles: Gross Anatomy

What are the main architectural types of muscles (fascicle arrangements)?

The deltoid muscle is an example of a(n) ____________ muscle (in terms of architecture). The orbicularis oris is a(n) ___________ muscle.

What is an aponeurosis? Name two aponeuroses.

Define: agonist (prime mover), synergist, antagonist.

What are the "action" classifications of muscles?

How are muscles named? Given a muscle name, e.g., biceps brachii, be able to identify the basis of its name (number of heads, location, etc. ) (biceps = number of heads of origin, brachii = the brachium -- a location).

Name the muscle(s) which act(s) to:

Which muscles flex, extend, and rotate the neck?

Facial muscles are innervated by the _________ nerve, whereas the muscles of mastication are innervated by the ______ nerve.

How do the pterygoid muscles differ in action from the masseter and temporalis?

The "capitis" group of muscles _________ the head, whereas the sternocleidomastoid _________ the head.

Name the abdominal muscles. Which are involved in compression of the abdomen? trunk rotation? flexion of the trunk?

What are "tendinous intersections?" In what muscle are they found?

What is the linea alba?

Contrast the pectoralis major and minor in terms of orgin, insertion and action.

Contrast the teres major and minor in terms of origin, insertion and action.

What are the rotator cuff muscles? What do they do? As a group they originate on the __________ and insert on the ___________ or _________ _______ of the _____________.

The primary abductor of the arm is the ___________.

The primary adductors of the arm are the __________, ________, & ______.

The primary flexors of the forearm are the _______ and _______.

The musculocutaneous nerve serves _______ muscles of the ___________.

The primary extensor of the forearm is the ____________.

What is the "boxer’s muscle?" What does it do?

The median nerve innervates primarily muscles which _______ the _______ & _____.

The medial epicondyle of the humerus is the origin for muscles which ____ the wrist and the lateral epicondyle is the origin for muscles which ____ the wrist.

The iliopsoas is the combination of the __________ and _________ ___________. It is the prime mover of _______ ______________.

List the three muscles of the thigh adductor group. What are their origin, insertion, action, and innervation?

What are the three major thigh flexors?

Major extensors of the thigh are the ______________ group and the _______ ______.

Name the three hamstring muscles. Which insert lateral to the knee, which insert medial to the knee? They are innervated by the ____ nerve.

Name the 4 quadriceps muscles. Their common insertion is the __________. They are innervated by the ____ nerve.

Which quadriceps muscle crosses two joints?

The primary dorsiflexor is the __________ ________.

The primary plantar flexors are the ________ and __________.

What is the "triceps surae?" List the origin, insertion, action, and innervation.

The _________ is also known as the "tailor's" muscle. It is the ___________ muscle of the body. It acts to __________ the ____________.

What is the function of the iliotibial tract of the thigh?

What is the general function of a retinaculum?

What is Bell’s Palsy?

What is Moebius Syndrome? How is it treated?

What is a shinsplint? Which muscle is primarily affected? why?