Muscles
What innervates the Latissimus dorsi?
Thoracodorsal Nerve
What is the main artery found in the axillary space?
Axxilary artery
What nerve supplies the back of the skull dermatome?
CV2 greater occipital nerve.
What is the long nerve that innervates the serrates anterior?
Long thoracic nerve (C5-C7)
The lesser tubercle of the humerus is cut, What muscle is then cut as well?
Subscapularis
What are the superficial muscles of the back
trap, lat, rhomboid major/minor, elevator scapula, serrates posterior superior and inferior.
What muscle separates the branches of the axillary artery?
Pectoralis minor.
A stab wound causes on a persons superficial back causes the patient to not be able to medially rotate the arm and adduct. What nerve is effected?
thoracodorsal nerve
The Lateral cord is cut, what nerves are going to be effected?
lateral pectoral C5-7, musculocutaneous (C5-7), and the median nerve (C5-8)
When falling, the head of the radius falls out of its groove on the ulnar, What ligament is destroyed?
Annular ligament
If a child penetrates the deep posterior forearm and can no longer extend his index finger, what muscle is injured?
Extensor indices.
After the brachial artery continues throughout the forearm is turns into the radial and the ulnar artery. Where does this change happen?
Cubital Fossa.
Spinal accessory nerve
What two cords come together to form the median nerve and what spinal nerves add to it?
Lateral and median cord, c5-c8
The olecron process is exposed. What ligament is gone?
Ulnar collateral ligament
When biking on the street, Jack realizes his knees are in extreme pain and collapses, on the way down he lands on his arm. Once he gets up he realizes that flexing the elbow is incredibly painful but supination is still intact. What muscle is injured?
Brachialis.
What artery is with the superior ulnar collateral artery?
Posterior ulnar recurrent artery.
When performing surgery the surgeon accidentally cut jacks anterior interosseous nerve. What is jack now not able to do?
Flex the distal phalanx of phalange 1-3 and pronate the arm.
How is the posterior cord created
Posterior additions from the superior, middle, and inferior trunks of the brachial plexus.
Posterior longitudinal ligament.
After a fall, jack can not abduct his arm initially but once he passes a certain degree he feels no pain. But when he tries to rotate his arm at 90 degrees he is still feeling pain. What pair of muscles are injured?
Infraspinatus and teres minor
The axillary artery has 3 different spaces, name the 3 branches of the 3rd space and what they supply.
Subscapular, gives to the thoracodorsal (lats) and the scapular circumflex artery (Teres minor/major, long head of tricep). Posterior humeral circumflex (short head of the tricep), and the anterior humeral circumflex (delt, terres major/minor).
If jack comes into the operating room and they find that the nerves between CV4 and CV5 are hurt as well as the one between TV8 and TV9, what spinal nerves are injured?
CV5 and TV8
Spinal nerves C5, C6, and C8 are all injured in an accident, what are all the Terminal nerves injured?
Musculocutaneous, median, axillary, radial,
During a laminectomy your doctor told you they had to cut a few ligaments, what is the most likely ligament to be cut?
Ligamentum flavum