Elbow

Question 1

What joint of the humerus aligns with the head of the radius

Answer 1

Capitulum

Question 2

What part of the humers aligns with the ulna

Answer 2

Trochlea

Question 3

How man humeral fossae name them

Answer 3

2 Fossae

Question 4

How many recesses (jct btwn 2 bones

Answer 4

4 Recesses. Key point-2 bones equal one joing and 1 joint equals 1 recess or joint space

Question 5

Image of humeral fossae

Answer 5

fat pads not displayed

Question 6

Image of olecranon fossa LAX

Answer 6

Note humeral troch

Question 7

Reivew of the 4 elbow recess

Answer 7

a jct bwtween 2 bones

Question 8

Image lateral and annular recess

Answer 8

radio capitellar joing

Question 9

Image of medial recess 3

Answer 9

Humero ulnar joint anterior

Question 10

image of posterior recess

Answer 10

humer ulnar joint posterior

Question 11

Name the 4 muscles orginating from the common extensor tendon Lateral compatment

Answer 11

ECRB ED EDM ECU

Question 12

Image of Extnsor digiti minimi

Answer 12

Its relationship with ED

Question 13

True or False Does the anconeous orginat on the common extensor tendon

Answer 13

FALSE

Question 14

What lies deep to the commone extensor tendon

Answer 14

The Radial collateral ligament RCL. Common extensor tendon takes up 60% and the other 40% is RCL at the lateal epicondyle

Question 15

Name the common flexor tendons

Answer 15

FCU FDS FCR

Question 16

True or False the pronator tere orginates from the common flexor tendon

Answer 16

False orignates just proximal to the common flexor or medial epicondyle

Question 17

Anterior band of the UCL has a normal gap of and an abnormal gap of what with valgus stress

Answer 17

normal is less 2mm and abnormal is greater than 2mm

Question 18

What are muscles that do not orginate at the common extensor or flexor bu provide moement of the elbow

Answer 18

Biceps brachii flex Brachialis flexor of forearm Brachioradialis flexes forearm Supinator supinate forearm Triceps brachii extensor of forearm

Question 19

Image lateral approach to the distal biceps tendon

Answer 19

must supinate hand

Question 20

Image injection set up for lateral approach

Answer 20

probe in plane and short axis

Question 21

Image of distal bicep dorsal approach

Answer 21

Hand in pronation

Question 22

What are the nerves at the anterior elbow

Answer 22

radial posterior interosseous median and ulnar

Question 23

Image of anterior pyramid

Answer 23

radial n lateralbrachial n medial

Question 24

Location of split from the radial nerve where does the cutaneous sensor and posterior interosseous go

Answer 24

The PIN splits laterally and cutaneous sensor splits medially

Question 25

Image of the PIN

Answer 25

Note bony landmark

Question 26

Image of PIN and compression at radial head what is this called

Answer 26

Radial tunnel syndrome and anterior forearm pain

Question 27

Image of the Ulnar Nerve What is the gap you must do

Answer 27

Probe position in SAX on the Olecranon process and Medial epicondlyle Sometime you do not see the starry night of the ulnar nerve secondary to the medial triceps the reslin is the retinaculum

Question 28

Ulnar nerve subluxation over

Answer 28

medial epicondyle but also in sever cases the medial tricep can also sublux

Question 29

What is cubital tunnel syndrome

Answer 29

Ulnar ner entrapment 3 cm distal from the ulnar grove as the never passes under the roof of the cubital tunnel. The roof is a membrane called Osbornes fascia or osbornes ligament

Question 30

Image of mechanism of ulnar nerve entrapment or compression

Answer 30

remember osbornes fascia ligament with flexion

Question 31

Eval nerve proximal to ulnar grove

Answer 31

Look for stenotic dilation of ulnar nerve

Question 32

What is the Struthers ligament?

Answer 32

located 8 cm proximal to ulnar grove and can cause ulnar nerve entrapment

Question 33

Where is the bicipito radial bursa and how large is it

Answer 33

distal bicep tendon and radial tuberosity 2.4 to 3.9 cm

Question 34

Image of bicipito radial bursa

Answer 34

a serous bursa

Question 35

Why a biciptal complete tear may not retract from the radial tuberosity

Answer 35

Bicipital aponeurosis aka lacertus fibrosus

Question 36

Image of a subcutaneous Olecranon bursa

Answer 36

Not visible with normal bursa

Question 37

What are 5 causes of bursitis at the elbow

Answer 37

Trauma infection gout ra oa

Question 38

What does the word enthesis mean

Answer 38

insertion of tendons and tendon attachments

Question 39

Image of tendon footprint

Answer 39

Unirom linear anechoic footprint

Question 40

What does enthesitis mean

Answer 40

insertional pathology and infammation at insertion.

Question 41

What is the difference between enthesophyte and osteophyte

Answer 41

growing into the bone

Question 42

What is the greek word for Psoriasis

Answer 42

Itch look for enthesophytes

Question 43

Image of common extensor tear

Answer 43

distinct fiber interruption

Question 44

The UCL is referred to what is on the exam Joint space opening of what is a partial thickness tear and greater than what is a full thickness tear

Answer 44

medial collateral ligament

Question 45

What is the insertion of the UCL

Answer 45

Sublime tubercle of Ulna

Question 46

What are the lanmarks for the triceps tendon

Answer 46

Humeral trochhlea and distal ulnar olecranon

Question 47

Image of fx to coronoid process

Answer 47

CP on the ulna

Question 48

Image erosion at the annular head of the radius

Answer 48

Idnetify erosions

Question 49

Image of erosions at capitellum

Answer 49

both are humeral landmarks

Question 50

Image of fluid at recess

Answer 50

annular and coronoid recess or fossa

Question 51

Image of olecranon recess

Answer 51

check for fluid

Question 52

What is cat scratch fever

Answer 52

evaluate joint recesses for synovial hypertrophy enlargement of lymph nodes cause I 5 types of infection

Question 53

What is RA nodules at the elbow

Answer 53

firm under skin and close to joints affected by RA

Question 54

Loose bodies in the elbow joint what are they

Answer 54

cartilage or cartilage and bone resulting from any process that leads to disruption of the articular surface

Question 55

Images of loose bodies in elbow joint

Answer 55

Presence of loose bodies in elbow joint

Question 56

Image of loose bodies in the medial and lateral recess

Answer 56

Humer Ulnar joint and radio capitellar joint

Question 57

What is Panners Disease

Answer 57

Osteochondrosis of the capitellum

Question 58

Tophaceous deposits at the elbow mimic what

Answer 58

Olecranon bursal effusion with observation

Question 59

Image of double contour sign

Answer 59

Not along the cartilage interface

Question 60

Image of Lymph Nodes and Lipoma What is one difference

Answer 60

Wee defined border

Question 61

Image of a Schwannoma

Answer 61

Often hypoechoic with posterior acoustic enhancement