upper extremities ch4 Wk1&2 A&P class

TRUE OR FALSE The lateral epicondyle is the small projection on the lateral aspect of the distal humerus above the capitulum

TRUE

TRUE OR FALSE The medial epicondyle is larger and more prominent than the lateral epicondyle and is located on the medial edge of the distal humerus.

TRUE

what type of movement does the CMC joint of the 1st digits have?

sellar (saddle)-type joint. (flexion, extension, abduction, adduction, circumduction, opposition, and some degree of rotation.)

what bones does the radial collateral ligament attach to?

styloid process of the radius primarily to the lateral side of the scaphoid

what bones does the ulnar collateral ligament attach to?

styloid process of the ulna and fans out to attach to the triquetrum and the pisiform

what does medial rotation of an AP elbow do?

superimpose radius &ulna

all joints of the upper limbs are classified as:

synovial and are freely movable, or diarthrodial.

what is a good criterion by which to evaluate a true lateral position of the elbow when it is flexed 90°?

the appearance of the three concentric arcs

what does the ulnar deviation open up?

the carpals on the radial side (common used for scaphoid bone)

what bone articulates with the trochlear notch?

the distal humerus

what does the radial deviation open up?

the ulnar side

what are the most distal carpal bones:

trapezium, trapezoid, capitate, hamate

what is the name of the condyle of the humerus on the ulnar side?

trochlea

the humeral condyle is divided into 2 parts:

trochlea and capitullum

what are the three concentric arcs of the distal humerus?

trochlear sulcus (first &smallest) capitulum & trochlea (intermediate arc appears double- lined as the outer ridges) trochlear notch of the ulna

TRUE OR FALSE Carpal tunnel syndrome is more common in middle-aged women than in middle-aged men.

true

trochlea articulates with the:

ulna bone

what 2 important ligaments stabilize the wrist joint?

ulnar collateral ligament & radial collateral ligament

Which radiographic projection best demonstrates the Scaphoid?

ulnar deviation

digits 2-5 have 3 joints each:

distal interphalangeal joint, proximal interphalangeal joint, metacarpophalangeal joint

digits 2-5 are composed of 3 phalanges, the:

distal, middle, proximal

the radiocarpal wrist joint possesses a --- type joint movement.

ellipsoidal

what type of movement do the MCP joints have?

ellipsoidal (flexion, extension, abduction, adduction and Circumduction)

An ellipsoidal joint allows movement in ____ directions.

four

what type of movement does the IP joints have?

ginglymus, or hinge-type (flexion & extension)

Which carpal articulates with both the fourth and fifth metacarpals?

hamate

which carpal articulates with both the fourth and fifth metacarpals?

hamate

what makes the radioulnar joint?

head of the ulna fits into the ulnar notch to form the distal radioulnar joint.

each phalanx and metacarpal is consist of 3 parts:

head, body, base

A ginglymus joint can also be referred to as a _____ joint.

hinge

what is the expanded distal end of the humerus?

humeral condyle

do you increase or decrease exposure factors for: advance pagets disease

increase (+)

do you increase or decrease exposure factors for: osteopetrosis

increase (+)

What is the name of the joint found between the proximal and distal phalanges of the first digit?

interphalangeal

The radius and ulna can be separated through ---------- of the elbow in AP position.

lateral rotation

Most common type of primary malignant tumor occurring in bone:

multiple myeloma

Which one of the following is the most common primary malignant bone tumor?

multiple myeloma

The deep posterior depression of the distal humerus is the:

olecranon fossa

what fits into the olecranon fossa?

olecranon process of the ulna

the radius is on the thumb side:

on AP view- laterally on PA view -medially

Narrowing of joint space with periosteal growths on the joint margins:

osteoarthritis

Local or generalized infection of bone or bone marrow caused by bacteria introduced by trauma or surgery is a condition termed:

osteomyelitis

Soft tissue swelling and loss of fat-pad detail visibility:

osteomyelitis

Hereditary condition marked by abnormally dense bone:

osteopetrosis

Mixed areas of sclerotic and cortical thickening along with radiolucent lesions:

osteopetrosis

Reduction in the quantity of bone or atrophy of skeletal tissue:

osteoporosis

what are the most distal bones of the hand?

phalanges

what carpal bone is the smallest?

pisiform

the intercarpal joints (joints between each carpal to carpal) have only a ---.

plane (gliding) movement.

what kind of movement does the MCP joint of the 2-5th digits have?

plane (gliding)-type joints (

What is the wrist joint called?

radiocarpal joint

During the act of pronation the ___ crosses over the ___ near the upper third of the forearm.

radius, ulna

do you increase or decrease exposure factors for: bursitis

same (0)

do you increase or decrease exposure factors for: joint effusion

same (0)

Which is the most commonly fractured carpal bone?

scaphoid

What 2 carpal bones does the radius articulate with?

scaphoid and lunate

what are the fat stripes of the wrist joint?

scaphoid fat stripe (PA & OBLIQUE) & pronator fat stripe (LATERAL projection)

what are the most proximal carpal bones:

scaphoid, lamate, triquetrum, pisiform

what type of joint is the elbow and the movement?

-synovial classification and is freely movable, or diarthrodial. ginglymus (hinge)-type joint with flexion and extension movements

How many phalanges are there?

14

how many bones in the hand in total?

27

how many carpal bones are found in the wrist?

8

the interphalangeal joints have a(n)--- type of joint movement.

Ginglymus

the first digits has how many joints?

IP interphalangeal joint, MCP metacarpophalangeal joint

Sprain or tear of the ulnar collateral ligament:

Skier's thumb

TRUE OR FALSE An upper limb with a cast requires an increase in exposure.

TRUE

TRUE OR FALSE Skier's thumb is also referred to as gamekeeper's thumb.

TRUE

TRUE OR FALSE The capitulum, meaning "little head," is located on the lateral aspect and articulates with the head of the radius.

TRUE

An abnormality of the cartilage affecting long bones:

achondroplasia

what are the fat stripes of the elbow joint?

anterior, posterior & supinator fat stripe (LATERAL projection)

The -------- is part of the total wrist articulation, including a joint between the distal radius and ulna of the forearm—the distal radioulnar joint.

articular disk

what helps complete the wrist joint?

articular surface of the distal radius along with the total articular disk

where is the head of the radius located?

at the proximal end of the radius near the elbow joint

Fracture and dislocation of the posterior lip of the distal radius:

bartons fracture

Transverse fracture extending through the distal aspect of the metacarpal neck, most often the fifth metacarpal:

boxers fracture

Fluid-filled joint space with possible calcification:

bursitis

which of the carpal bones is considered to be the largest?

capitate

what is the name of the condyle of the humerus on the radius side?

capitulum (capitellum)

Possible calcification in the carpal sulcus:

carpal tunnel syndrome

the joint found between the base of the third metacarpal and carpal bone is the:

carpometacarpal

The joint found between the base of the third metacarpal and carpal bone is the:

carpometacarpal joint

Transverse fracture of the distal radius with posterior displacement of the distal fragment:

colles fracture

what are the two shallow anterior depressions of the humerus?

coronoid fossa(ulnar side) radial fossa

what goes into the coronoid fossa of the humerus?

coronoid process of ulna

do you increase or decrease exposure factors for: advanced rheumatoid arthritis

decrease (-)

do you increase or decrease exposure factors for: osteoporosis

decrease (-)