Upper Limb - Hand and Wrist

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

How many phalanges are there total in one hand?

14 phalanges

The trapezium articulates with which metacarpal?

1st metacarpal

How many phalanges are in the thumb?

2 phalanges, proximal and distal

How many bones total are there in one hand/wrist area?

27 bones

The trapezoid articulates with which metacarpal?

2nd metacarpal

How many phalanges are there in digits 2-5?

3 phalanges, proximal, middle, and distal

The capitate articulates with which metacarpal?

3rd metacarpal

How many middle phalanges total in one hand?

4 middle phalanges

The hamate articulates with which metacarpals?

4th and 5th metacarpals

How many distal phalanges total in one hand?

5 distal phalanges

How many metacarpals in one hand?

5 metacarpals

How many proximal phalanges total in one hand?

5 proximal phalanges

How many carpals in one wrist?

8 carpals

Proximal end of metacarpal articulates with the carpal bone

Carpometacarpal (CMC) joint

Middle and distal phalanx articulate

Distal Interphalangeal (DIP) joint

Proximal and distal phalanx of the thumb articulate

Interphalangeal (IP) joint

Proximal phalanx articulates with distal end of metacarpal

Metacarpophalangeal (MCP) joint

What projections visualize the scaphoid fat stripe?

PA and oblique

Proximal and middle phalanx articulate

Proximal Interphalangeal (PIP) joint

Why do plane (gliding) joint have limited movement?

a tight fibrous capsule around the joint

The triquetrum articulates with

anterior portion of the pisiform

A carpal sulcus view is used for

carpal tunnel

What is a freely moveable joint called?

diarthrodial

The joint between the distal radius and ulna is the

distal radioulnar joint

What type of joint are metacarpophalngeal (MCP) joints?

ellipsodial (condyloid)

What type of movement does ginglymus (hinge) joints allow?

flexion and extension

What type of movement does ellipsodial (condyloid) joints allow? (hint: there are 5)

flexion, extension, abduction, adduction, and circumduction

What type of movement does a saddle (sellar) joint allow? (hint: there are seven)

flexion, extension, abduction, adduction, circumduction, opposition, and rotation

What type of joint is an interphalangeal (IP) joint?

ginglymus (hinge)

What are the parts of each phalanx?

head, body, base

What is the hamulus

hooklike process that projects from the palmar surface

What projections visualize the pronator fat stripe?

lateral

What shape is the lunate carpal bone?

moon shaped

The triquetral bone is

opposite of the articular disk

What type of joint allows the least amount of movement?

plane (gliding)

What type of joint is an intercarpal joint?

plane (gliding)

What type of joints are the 2nd-5th carpometacarpal (CMC) joints?

plane (gliding)

Located about 1/4 inch from the anterior surface of the radius

pronator fat stripe

Which ligament of the wrist extends from the styloid process of the radius to the lateral side of the scaphoid and trapezium?

radial collateral ligament

Wrist is turned towards the radius (lateral)

radial deviation

What joint is at the articulation of the radius, scaphoid, and lunate?

radiocarpal joint

The lunate articulates with

radius

The scaphoid articulates with

radius

What type of joint is the carpometacarpal (CMC) joint of the thumb?

saddle (sellar)

What two carpal bones articulate with the radius?

scaphoid and lunate

Located between the radial collateral ligament and adjoining muscle tendons immediately to the lateral scaphoid

scaphoid fat stripe

What is the characteristic of the pisiform?

smallest carpal bone

All joints of the upper limbs are

synovial and diarthodial (freely moveable)

The hamate is distinguished by

the hamulus

The articular disk is part of

the total wrist articulation

Which ligament of the wrist attaches the styloid process of the ulna to the triquetrum and pisiform?

ulnar collateral ligament

Wrist is turned towards the ulna (medial)

ulnar deviation


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