Wrist /Hand Anatomy
the deep palmar arch is made up of predominantly what artery?
what is the radial artery
What muscles in the posterior forearm are innervated by the radial nerve?
Anconeus, Extensor Carpi Radialis Longus (ECRL), Brachioradialis
name the 6 muscles that originate from the lateral epicondyle
what are the ECRB, ECU, ED, EDM, Anconeus, Supinator
The most commonly fractured bone in the shoulder
what is the clavicle
Injury to the extensor tendon at the PIP joint (slip rupture)
What is Boutonniere Finger
name the carpal bones
What is scaphoid, lunate, triquetral, pisiform, trapezium, trapezoid, capitate, hamate
1) The Coracoclavicular ligament consists of which two ligaments
2) list the muscles of the rotator cuff
What is Conoid and Trapezoid
What is Supraspinatus, Infraspinatus, Teres Minor, Subscapularis
Inflammatory response at the medial epicondyle.
What is Golfers Elbow
what is the most common type of shoulder dislocation
What is anterior
what is another name for a distal flexor tendon rupture?
What is Jersey Finger
The articular disk of the wrist is between the ulna and the proximal row of carpal bones. Why can’t the ulna directly attach to the carpal bones?
Ulna does not move during pronation & supination (wouldn’t affect the carpals)
Damage to what peripheral nerve(s) would impair external rotation at the GHJ?
Suprascapular and Axillary nerves
What seperates the 2 heads of the pronator teres?
what is the median nerve
The most common mechanism for a shoulder injury
What is falling on an outstretched arm, abduction and external rotation.
results from a herniation of the synovium surrounding a tendon filling it with fluid
What is ganglion cyst
What is the function of Listers’ Tubercle?
what is a pulley for the Ext. Pollicis Longus
The brachial plexus is formed by:
A. C5-T1 dorsal rami
B. C5-T1 dorsal roots
C. C5-T1 ventral rami
D. C5-T1 ventral roots
E. C5-T1 spinal nerves
C: ventral rami!
What muscles in the UE are innervated by 2 nerves?
Pectoralis Major, Subscapularis, FDP, FPB, Opponens Pollicis
If a patient shows symptoms of the “claw hand”when they try to fully extend, they have damage to what nerve?
what is the ulnar nerve
This bone in the wrist can be palpated within the area known as the “anatomical snuff-box”?
what is the scaphoid bone
Your patient has a laceration over the thenar eminence that has damaged a nerve. He is having difficulty moving his thumb, especially with opposition. He most likely damaged the?
what is the recurrent branch of the median nerve
How many muscles in the UE have more than one head?
7: Biceps(L/S), FCU (H/U), PT (H/U), Triceps (Long, Lat, Med), FPB (Superficial/Deep), Pec. Major (Sternocostal/Clavicular), Adductor Policis (Oblique/Transverse)
A 10 y/o fractures her humerus at the surgical neck--damage to which nerve is suspected? what physical exam findings would prove this nerve damage?
Axillary Nerve Damage.
Profound atrophy in Deltoid, check stars/stripes of skin
Describe the muscle weakness caused by an Erb’s Palsy injury
“Tip Takers”(No arm flexion or wrist extension)
The median nerve branches just before the carpal tunnel. If this branch is cut, what muscles and what skin will lose innervations?
No skin. Radial ½FDP, FPL, Pronator quadrates