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Anatomy & Physiology > Ch. 12: LAB joints > Flashcards

Ch. 12: LAB joints Flashcards

1
Q

Synovial joints that allow movement around one axis

A

Uniaxial or Monoaxial joints

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2
Q

Synovial joints that allow movement around two axes

A

Biaxial joints

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3
Q

Synovial joints that allow movement around three axes

A

Multiaxial or Triaxial joints

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4
Q

Synovial joints that allow a sliding motion, not around an axis

A

Nonaxial joints

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5
Q

Joints that allow two relatively flat articular surfaces to slide back and forth along a section plane?

A

Plane joints

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6
Q

How are plane joints classified axially?

A

Nonaxial

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7
Q

What kind of joint involves a condole of one joint interacting with the fossa of another joint?

A

Hinge joint

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8
Q

How are hinge joints classified axially?

A

Uniaxial

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9
Q

What kind of joint are the elbow, knee, and interphalangeal joints?

A

Hinge joints

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10
Q

What kind of joint has a knobby projection fitting through a ring formed by a depression in another bone and a ligament?

A

Pivot joints

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11
Q

How are pivot joints classified axially?

A

Uniaxial

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12
Q

What kind of joints are the proximal radioulnar joints and the joints between the atalas/dens?

A

Pivot joints

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13
Q

What kind of joints unite a convex surface with an oval-shaped depression?

A

Codylar (ellipsoidal) joints

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14
Q

How are condylar joints classified axially?

A

biaxial

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15
Q

What kind of joint has 2 convex parts of each bone fit into concave parts of the opposing bone?

A

Saddle joints

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16
Q

What kind of joints are the carpometacarpal joint of the thumb, and the talocrural joints?

A

Saddle joints

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17
Q

What kind of joint has a large, rounded knob of the bone fitting into the cup like fossa of another bone?

A

Ball and Socket joints

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18
Q

What kind of joints are the shoulder and hip?

A

Ball and Socket joints

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19
Q

How are saddle joints classified axially?

A

biaxial

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20
Q

How are ball-and-socket joints classified axially?

A

Multiaxial

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21
Q

What are the 3 types of body movements at synovial joints?

A

Gliding
Angular
Rotational (special)

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22
Q

How are gliding movements classified axially?

A

Uniaxial

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23
Q

What are the majors types of angular movement?

A

Flexion
Extension
Hyperextension
Abduction
Adduction
Circumduction

24
Q

Which type of angular movement occurs when the angle between articulating bones decreases in the sagittarius plane?

A

Flexion

25
Q

What kind of angular movement involves the opposite of flexion; in which the angle between articulating bones increases?

A

Extension

26
Q

i’m What kind of angular movement involves extending a bone beyond its anatomical position?

A

Hyperextension

27
Q

What kind of angular movement involves a bone moving away from its midline?

A

Abduction

28
Q

What kind of angular movement involves the bones being moved towards the midline?

A

Adduction

29
Q

What kind of angular movement involves the distal end of an appendage moving in a circular manner?

A

Circumduction

30
Q

Which type of synovial joint movement is similar to turning a key in a lock?

A

Rotation

31
Q

What type of special movement involves the bone moving inferiorily (down)?

A

Depression

32
Q

What type of special movement involves the bone moving superiorly (up)?

A

Elevation

33
Q

Which type of special movement involves the side to side movement of the mandible?

A

Excursion

34
Q

What type of special movement occurs only when the forearm twists so that the palm faces posteriorly?

A

Pronation

35
Q

What type of special movement occurs when the forearm twists so that the palm faces anteriorly?

A

Supination

36
Q

What type of special movement involves the bending of a segment of the vertebral column in a coronal plane away from the midline?

A

Lateral Flexion

37
Q

What special foot movement involves bending the ankle joint to turn the sole in a medial direction (adduction of the foot)?

A

Inversion

38
Q

What special foot movement involves bending the ankle joint to turn the sole laterally (abduction of the foot)?

A

Eversion

39
Q

What special foot movement involves bending the ankle to elevate the anterior aspect of the foot?

A

Dorsiflexion

40
Q

What special foot movement involves bending the ankle to elevate the heel?

A

Plantar flexion

41
Q

What special thumb movement involves the thumb moving anteriorly/medially to touch the ends of the other digits in the same hand?

A

Opposition

42
Q

What special thumb movement involves the thumb moving back from opposition to return to its anatomical position?

A

Reposition

43
Q

What is the most movable joint in the body?

A

Shoulder joint

44
Q

What do joints sacrifice to have a wide range of motion?

A

Stability

45
Q

What provides most of the stability for the shoulder joint?

A

Muscle tendons

46
Q

What are the 4 collective tendons that extend from the shoulder muscles on the scapula to the greater and lesser tubercules of the humerus?

A

Rotator Cuff

47
Q

What is the “socket” of the shoulder joint called?

A

Glenoid cavity

48
Q

What is the “ball” of the shoulder joint called?

A

Head of humerus

49
Q

What is the ring of fibrocartilage that helps hold the humeral head in the glenoid cavity?

A

Glenoid Labrum

50
Q

What is another name for the wrist joint?

A

Radiocarpal joint

51
Q

How is the wrist joint classified axially?

A

Biaxial

52
Q

What is another name for the hip joint?

A

Coxal joint

53
Q

What is another name for the hip socket?

A

Acetabulum

54
Q

Why is the hip joint much more stable than the shoulder joint?

A

The hip socket is much deeper than the shoulder socket

55
Q

What is the ring of fibrocartilage that fastens around the femur’s neck and makes it hard to dislocate the femoral head from the acetabulum?

A

Acetabular Labrum

56
Q
A

Anatomy & Physiology (14 decks)

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