Articulations

Question 1

point of contact between bones (3)

Answer 1

Articulation/Joint/Arthrosis

Question 2

joint scope

Answer 2

arthroscopy

Question 3

joint repair

Answer 3

arthroplasty

Question 4

Joints are classified into these 2 major categories:

Answer 4

• Structural - Functional

Question 5

Structural system is base on (2):

Answer 5

1. Presence of fluid filled joint space 2. Type of connective tissue

Question 6

Functional system is based on:

Answer 6

type of movement allowed at the joint

Question 7

Name the structural and functional type of joint: - No joint cavity -Bones of joints fit closely together - 3 types (syndesmoses, sutures, gomphoses

Answer 7

Structural: Fibrous Joints Functional: Synarthroses

Question 8

joints in which fibrous bands (ligaments) connect 2 bones slightly movable

Answer 8

Syndesmoses

Question 9

joints: - found only in the skull - have a thin layer of fibrous connective tissue - adjacent bones interlock with each other - slight movable joint in children - immovable in adults-become ossified

Answer 9

Sutures

Question 10

frontal bone suture that is ossified (has no connective tissue)

Answer 10

Synotosis

Question 11

joint: - formed between the root of a tooth and the sockets (alveoli) of the mandible or maxillae - immovable joint when healthy

Answer 11

Gomphoses

Question 12

Fibrous tissue between root and bone in gomphoses joint

Answer 12

periodontal membrane

Question 13

Name the structural and functional type of joint: - no joint cavity - bones of joints are joined together by hyaline cartilage or fibrocartilage - allow no motion to very little motion - 2 types (synchondroses, symphyses)

Answer 13

Structural: Cartilaginous Functional: Amphiarthroses

Question 14

joint: - connecting material between articulating bones is hyaline cartilage - immovable

Answer 14

Synchondroses

Question 15

joint: - with a pad or disc of fibrocartilage between 2 bones - most occur in midline of body - slight movement

Answer 15

Symphyses

Question 16

Name the structural and functional type of joint: - freely movable - most numerous and anatomically complex joints - comprise a majority of the joints in the appendicular skeleton

Answer 16

Structural: Synovial Joints Functional: Diarthroses

Question 17

Structure of synovial joints (7):

Answer 17

1. Joint capsule (2 layers) 2. Synovial membrane 3. Articular cartilage 4. Joint cavity 5. Menisci 6. Ligaments 7. Bursae/Tendon sheath

Question 18

The ____ _____ forms a complete casing around a synovial joint

Answer 18

joint capsule

Question 19

The ____ ____ lines the inner surface of the joint capsule, and attaches to the margins of the articular cartilage

Answer 19

synovial membrane

Question 20

2 functions of the synovial membrane:

Answer 20

• lubricates - nourishes

Question 21

Thin layer of hyaline cartilage that covers the articular surfaces of bones and reduces friction during movement, as well as absorbs shock

Answer 21

articular cartilage

Question 22

small space between bones that allows for extensive movement

Answer 22

joint cavity

Question 23

pads of fibrocartilage between articulating bones that usually divide the joint cavity into 2 separate spaces; allowing separate movements

Answer 23

Menisci (articular disks)

Question 24

4 functions of menisci:

Answer 24

• shock absorption - better fit between articulating bones - larger contact surface for weight bearing - synovial fluid distribution across joint surfaces

Question 25

fibrocartilaginous lip that extends from joint socket and increases contact area between bones

Answer 25

Labrum

Question 26

\_\_\_\_ deepens joint socket of shoulder and hip

Answer 26

labrum

Question 27

strong cords of dense, regular fibrous tissue that hold bones of synovial joint together more firmly

Answer 27

ligaments

Question 28

sac-like structure surrounded by synovial membrane. It is filled with synovial fluid, and found between skin and bones, tendons and bones, muscles and bones, or ligaments and bones.

Answer 28

Bursae

Question 29

\_\_\_\_\_ cushion joint or facilitate movement of tendons

Answer 29

bursae

Question 30

tube-like bursae that wrap around tendons that receive a lot of wear and tear

Answer 30

Tendon (synovial) sheaths

Question 31

\_\_\_\_ are extension of the joint capsule but wraps around tendon. It protects tendon as it slides back and forth with movement.

Answer 31

Tendon (synovial) sheaths

Question 32

The 3 types of synovial joints are:

Answer 32

- uniaxial - biaxial - multiaxial

Question 33

synovial joints that permit movement around 1 axis and in only 1 plane

Answer 33

Uniaxial

Question 34

pivot joints and hinge joints are types of _____ synovial joints.

Answer 34

uniaxial

Question 35

the convex surface of one bone fits into the concave surface of another bone

Answer 35

hinge joints

Question 36

a projection of one bone articulates with a ring or notch of another bone

Answer 36

pivot joints

Question 37

synovial diarthroses that permit movement around 2 perpedicular axes in 2 perpendicular planes

Answer 37

biaxial

Question 38

articulating ends of the bones resemble reciprocally shaped miniature saddles these are only in the thumb

Answer 38

saddle joints

Question 39

joint where condyle fits into an elliptical socket

Answer 39

Condyloid (ellipsoidal) joints

Question 40

The distal end of the radius fitting into the depression of the carpal bones (scaphoid, lunate, triquitrum) is an example of what type of joint?

Answer 40

Condyloid, biaxial, synovial joint

Question 41

Synovial joints that permit movements around 3 or more axes in 3 or more planes

Answer 41

multiaxial

Question 42

The shoulder joint is an example of what type of joint?

Answer 42

Ball and socket, multiaxial, synovial

Question 43

relatively flat articulating surfaces that allow sliding movements along various axes

Answer 43

gliding joints

Question 44

Name the structure

Answer 44

Articular Cartilage

Question 45

Name the type of synovial joint

Answer 45

ball and socket joint (multiaxial)

Question 46

Name the component

Answer 46

cartilage

Question 47

Name the component

Answer 47

compact bone

Question 48

Name the component

Answer 48

compact bone

Question 49

Name the type of joint

Answer 49

Condyloid joint

Question 50

Name the type of synovial joint

Answer 50

Gliding joint

Question 51

Name the type of joint

Answer 51

Gomphoses, Fibrous Joint

Question 52

Name the type of synovial joint

Answer 52

Hinge Joint

Question 53

name the component

Answer 53

Joint capsule

Question 54

Name the component

Answer 54

joint cavity (contains synovial fluid)

Question 55

name the component

Answer 55

ligament

Question 56

name the types of synovial joints

Answer 56

green: hinge joint blue: pivot joint red: saddle joint yellow: condyloid orange: ball and socket pink: gliding joint

Question 57

name the component

Answer 57

periosteum

Question 58

name the type of synovial joint

Answer 58

pivot joint

Question 59

name the type of synovial joints

Answer 59

pivot joints

Question 60

name the joint

Answer 60

pubic symphesis cartilaginous

Question 61

name the type of synovial joint

Answer 61

saddle joint

Question 62

name the component

Answer 62

spongy bone

Question 63

name the type of joint

Answer 63

sutures, fibrous

Question 64

name the type of joint

Answer 64

sympheses cartilagenous

Question 65

name the type of joint

Answer 65

synchondroses cartilaginous

Question 66

name the type of joint

Answer 66

syndesmoses fibrous

Question 67

name the component

Answer 67

synovial fluid

Question 68

name the component

Answer 68

synovial membrane

Question 69

name the type of joint

Answer 69

uniaxial synovial

Question 70

What type of movement occurs within the intercarpal jts, intertarsal jts, and articular facets of vertebrae?

Answer 70

gliding movement

Question 71

assessment used to determine the extent of joint injury

Answer 71

ROM range of Motion assessment

Question 72

ROM is measured by an intrument called:

Answer 72

goniometer

Question 73

The shoulder consists of these 3 joints:

Answer 73

- glenohumeral - sternoclavicular - acromioclavicular

Question 74

4 structures that strengthen the shoulder joint:

Answer 74

- ligaments - muscles - tendons - bursae

Question 75

What 2 joints make up the elbow?

Answer 75

- humeroulnar joint - humeroradial joint

Question 76

inflammation of the elbow bursa:

Answer 76

Olecranon bursitis

Question 77

Blows to the "funny bone" are really hitting what?

Answer 77

the ulnar nerve

Question 78

dislocation or subluxation of the radial head is sometimes called:

Answer 78

Nursemaid's Elbow

Question 79

What articulations make up the wrist joint?

Answer 79

- radiocarpal joint - intercarpal/midcarpal joints

Question 80

most common wrist fracture:

Answer 80

fracture of radial styloid process (AKA Colles' fracture/Dinner-fork deformity)

Question 81

The hand is comprised of 3 categories of synovial joints

Answer 81

- carpometacarpal joints - metacarpophalangeal joints - interphalangeal joints

Question 82

articulation between the carpal bones and the metacarpal bones:

Answer 82

carpometacarpal joints