Arthrology Flashcards

1
Q

Fibrous joints

A

Immovable (coronal suture of the skull)

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2
Q

SYNCHONDROSIS
(Primary cartilaginous joint)

A

Temporary cartilaginous junction between epiphysis and diaphysis (shaft) of a growing (immature) bone

Bones are united by a plate or a bar hyaline cartilage, sometimes occur btwn ossification (bone tissue formation) centers

-1st rib & the manubrium sterni

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3
Q

Secondary cartilaginous joint (symphysis)

A

Fibrocartilaginous and hyaline joints (semi movable)

E.g. manubriosternal joint, intervertebral discs, pubic symphysis

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4
Q

Synovial joints (diarthrosis)

A

Articular surfaces of the bone are covered by a thin layer of hyaline cartilage separated by a joint cavity; great degree of freedom of movement

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5
Q

Synovial membrane

A

Lines cavity of the joint

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6
Q

Articular capsule / capsule only

A

Tough fibrous membrane outside, protects synovial membrane

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7
Q

Synovial fluid physical properties

A

Viscous, elastic, plastic components

Viscous fluid (found in joint cavity); HYALURONIC ACID is the main component

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8
Q

Plane joint (gliding joint)

A

Gliding or sliding movements

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9
Q

Acromioclavicular joint (at the top of the shoulder; junction btwn acromion and clavicle)

A

Plane joint

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10
Q

Sternoclavicular joints

A

Plane joint

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11
Q

Intercarpal joints (carpals of the wrist)

A

Plane joints

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12
Q

Subtalar/Talocalcaneal (intertarsal joint)

A

Plane joint

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13
Q

Vertebrocostal joint

A

Plane joint

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14
Q

Sacroiliac joint

A

Plane joint

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15
Q

A type of joint which restricts movement to one plane only (uniaxial) and possess strong collateral ligaments (Flexion and extension movements)

A

Hinge joint

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16
Q

Elbow joints

A

Hinge joint

17
Q

Knee joints (largest joint)

A

Hinge joints

18
Q

Ankle joints

A

Hinge joints

19
Q

Interphalangeal joint

A

Hinge joint

20
Q

Pivot joint

A

One bone rotates about another

21
Q

Atlanto-axial joint (atlas and axis bone in neck/ C1 & C2)

A

Pivot joint

22
Q

Proximal radioulnar joint

A

Pivot joint

(Occurs between the head of the radius and the ring formed of the radial notch of the ulna and the annular ligament)

23
Q

Distal radioulnar joint

A

Pivot joint

(Formed btwn head of ulna and ulnar notch on the lower extremity of radius)

24
Q

Ellipsoid joint

A

Movements of flexion, extension, abduction, adduction BUT NO ROTATION

25
Q

Radiocarpal (wrist joint)

A

Ellipsoidal

26
Q

Metatarsophalangeal joint (toe knuckles)

A

Condyloid

27
Q

Condyloid joints

A

Movements of flexion, extension, abduction, adduction BUT W/ SMALL ROTATION

28
Q

Metacarpophalangeal joint

A

Condyloid joint

29
Q

Saddle joint

A

Reciprocally concavoconvex, permit same movements as the condyloid joints but allows greater movement

30
Q

Carpometacarpal joint (thumb) /trapeziometacarpal

A

Saddle joint

31
Q

Ball-and-socket joint

A

Allow for all movements except gliding

32
Q

Glenohumeral joint (shoulder)

A

Ball-and-socket

33
Q

Hip joint

A

ball-and-socket

34
Q

Stability of joints depends on

A
  1. Arrangement of articular surfaces
  2. Ligaments: connects joints together
  3. Muscle tone (major factor)
35
Q

Bursae

A

Small fluid-filled sac lined by synovial membrane; provides a cushion between tendons/muscles around a joint; helps reduce friction

36
Q

Synovial sheath

A

Reduce friction between tendon and its surroundings

37
Q

A type of fibrous articulation restricted to the fixation of the teeth in the mandible and maxilla

A

Gomphosis

38
Q

A type of motion involving gliding or sliding without appreciable angulation

A

Axial rotation