DPT 744 Week 4 Lecture Notes Pt. 1

Lateral epicondyle of humerus

Medial epicondyle of humerus

Coronoid fossa

Coronoid process

Metacarpals

Carpals

Olecranon fossa

Olecranon

Trochlear notch

Trochlea

Interosseous membrane

Radial styloid process

Ulnar styloid process

Articular facet of ulna

Articular disc of radioulnar joint

Lunate

Scaphoid

Trapezium

Triquetrum

Hamate

Pisiform

Capitate

Trapezoid

Sesamoid bones of thumb

Guyon canal

A fibro-osseous passageway in the wrist that houses the ulnar nerve and artery as they enter the hand

Extensor retinaculum

Keep tendons in place when bending fingers

Flexor retinaculum

Acts as a pulley, preventing the tendons of the flexor muscles from bowing outward during wrist flexion

Synovial sheaths

Specialized, fluid-filled sacs that surround tendons, reducing friction and enabling smooth movement of the wrist and hand

2nd dorsal interosseous

3rd dorsal interosseous

1st dorsal interosseous

4th dorsal interosseous

1st palmar interosseous

2nd palmar interosseous

3rd palmar interosseous

Flexor digitorum profundus tendon

Flexor digitorum superficialis tendon

Anatomical snuff box

A triangular depression on the back of the hand, at the base of the thumb

Radial nerve

Ulnar nerve

Median nerve

Brachial artery

Superficial palmar arch

Ulnar artery

Radial artery

Deep palmar arch

Radiocarpal joint

Recurrent branch of median nerve

Deep branch of ulnar nerve

Carpal tunnel

superiorly

laterally

medially

laterally

The cubital fossa is bounded _____ by an imaginary line between the epicondyles of the humerus, _____ by the brachioradialis, medially by the pronator teres; with the floor consisting of the brachialis _____ and the supinator _____ and the roof being cubital fascia

3, 2

Anterior

Posterior

There are 5 muscles in the two arm compartments

___ in the anterior compartment and ___ in the posterior compartment

_____ compartment

1. Biceps brachii

2. Coracobrachialis

3. Brachialis

_____ compartment

1. Triceps brachii

2. Anconeus

4 tendons of the flexor digitorum superficialis

4 tendons of the flexor digitorum profundus

Median nerve

Flexor pollicis longus

Which structures run through the carpal tunnel?

Ulnar nerve

Cubital tunnel syndrome involves which of the following structures?

Median nerve

Radial nerve

Ulnar nerve

Ulnar artery

Ulnar nerve

A patient hits their medial elbow and feels numbness and tingling into their fifth digit and the medial part of their fourth digit. Which nerve is most likely affected?

Radial nerve

Median nerve

Superficial branch of median nerve

Ulnar nerve

FOOSH

What is a common mechanism of injury for a scaphoid fracture?

Profundus brachii, Radial, & Ulnar

The brachial artery splits into which arteries?

Acromioclavicular

A “step down” deformity is the result of a separation of which joint?

Sternoclavicular

Costoclavicular

Acromioclavicular

Glenohumeral

True

T/F the superior portion of the glenoid labrum blends with the tendon of the long head of the biceps brachii.

Medial pectoral nerves

Which of the following is NOT part of the nerve supply to the glenohumeral joint?

Suprascapular nerve

Axillary nerve

Lateral pectoral nerves

Medial pectoral nerves

Triangular fibrocartilaginous complex

Which structure is a fibrocartilaginous articular disc which binds the radius and ulna?

Annular ligament

Radial collateral ligament

Triangular fibrocartilaginous complex

Ulnar collateral ligament

Iliac tubercles & L5 vertebrae

The transtubercular plane passes through which of the following two structures?

10th costal cartilage

Iliac tubercles

Mid-inguinal point

L5 vertebra

Inguinal vein

Which of the following is NOT one of the contents of the inguinal canal?

Spermatic cord in males

Round ligament of uterus in females

Inguinal vein

Lymphatic vessels

False

T/F the femoral artery/vein pass through the inguinal canal

fore

hind

mid

The celiac trunk runs to the _____gut,

the inferior mesenteric a to the _____gut,

and the superior mesenteric a to the _____gut