Fascial Planes and Muscles

Question 1

What are 2 types of fascial layers of the upper limbs?

Answer 1

Superficial and Deep fascia.

Question 2

Fascia deep to the skin and contains fat, superficial veins, lymphatics, and cutaneous nerves.

Answer 2

Superficial fascia.

Question 3

Lies deep to the superficial fascia; contains muscles, nerves, vessels, and lymphatics.

Answer 3

Deep fascia.

Question 4

____________ _______ extends to the bones, dividing the arm and forearm into anterior and posterior compartments.

Answer 4

Intermuscular septae.

Question 5

What are the 6 groups of the upper arm muscles?

Answer 5

Scapular, Rotator Cuff, Intertubercular Groove, Arm, Forearm, and Hand muscles.

Question 6

Stabilizes the scapulothoracic and glenohumeral joints; consisting of the trapezius, deltoid, rhomboid major/minor, serratus anterior, levator scapulae, pectoralis minor, and subclavius.

Answer 6

Scapular muscles.

Question 7

Tendons blend with the joint capsule of the glenohumeral joint to provide stability to the joint; consists of supraspinatus, infraspinatus, teres minor, and subscapularis

Answer 7

Rotator Cuff muscles.

Question 8

Muscles inserts and consists of latissimus dorsi, pectoralis major, and teres major.

Answer 8

Intertubercular groove muscles.

Question 9

The deep fascia divides the arm into _________ and _________ compartments that have common actions and innervations.

Answer 9

Anterior and Posterior.

Question 10

What is the common action of the anterior compartment of the arm?

Answer 10

Flexion of the glenohumeral joint/elbow.

Question 11

What is the common innervation of the anterior compartment of the arm?

Answer 11

Musculocutaneous nerve.

Question 12

What muscles are in the anterior compartment of the arm?

Answer 12

Coracobrachialis
Biceps brachii
Brachialis

Question 13

What is the common action of the posterior compartment of the arm?

Answer 13

Extension of the glenohumeral joint/elbow.

Question 14

What is the common innervation of the posterior compartment of the arm?

Answer 14

Radial nerve.

Question 15

What muscles are in the posterior compartment of the arm?

Answer 15

Triceps brachii.

Question 16

The deep fascia divides the forearm into _________ and _________ compartments that have common actions and innervations.

Answer 16

Anterior and Posterior.

Question 17

What is the common origin of the anterior compartment of the forearm?

Answer 17

Medial epicondyle of the humerus.

Question 18

What is the common action of the anterior compartment of the forearm?

Answer 18

Flexion of the elbow, wrist, and digits.

Question 19

What is the common innervation of the anterior compartment of the forearm?

Answer 19

Median and Ulnar nerve.

Question 20

What is the common origin of the posterior compartment of the forearm?

Answer 20

Lateral epicondyle of the humerus.

Question 21

What is the common action of the posterior compartment of the forearm?

Answer 21

Extension of the elbow, wrist, and digits.

Question 22

What is the common innervation of the posterior compartment of the forearm?

Answer 22

Radial nerve.

Question 23

The intrinsic muscles of the hand consists of those that act on the thumb (______ _____), the little finger (___________ _____), and lumbrical, dorsal interossei, and palmar interossei.

Answer 23

Hand muscles; Thenar muscles; Hypothenar muscles.