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Human Anatomy > Articulations > Flashcards

Articulations Flashcards

1
Q

True or False:

All cartilaginous joints are diarthrotic? (Freely movable)

A

True

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2
Q

The sacrum in an adult can be functionally classified as:

A

Synarthrosis [immovably fixed joint]

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3
Q

the fluid filled sacs cushioning synovial joints are:

A

bursae

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4
Q

structural joint classification

A

according to presence of tissue between articulating bones

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5
Q

bony fusion

A

articulating bones fused together and become immovable, synarthrotic joints; such as in coxal bones which fuse around age 12-20

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6
Q

fibrous joints

A

Dense CT between articulating bones

can be immovable or slightly movable

ex) between cranial sutures, sacrum, and coxal

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7
Q

cartilaginous bones

A

separated by cartilage (fibro or hyaline)

can be movable (epiphyseal plates of bones) or immovable (discs between vertebral joints)

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8
Q

synovial joints

A

have synovial fluid-filled joint cavity lined with synovial membrane

-highly moveable : glenohumeral, sternoclavicular, coxal femoral

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9
Q

functional joint classification

A

according to the degree of movement allowed between articulating bones

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10
Q

synarthrotic joints

A

2 bones with immovable position in relation to eachother

ex) suture, teeth/jaw bones..

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11
Q

amphiarthrotic joints

A

2 bones with slightly movable positions in relation to eachother

ex) pubic symphasis, fibia and tibia fibrous connection

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12
Q

diarthrotic joints

A

2 bones with freely movable positions in relation to eachother

[all synovial joints]

ex) elbow, shoulder

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13
Q

interverbretal discs

& what are they composed of?

A

permit smooth gliding motions of vertebral column during flex, extension, rotation..

composed of

1) annulus fibrosus (soft disc center)
2) nucleus pulposas (shock absorber)

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14
Q

Label A, B, and C

A

a: interverbretal disc

b: annulus fibrosus

c: nucleus pulposas

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15
Q

Identify A and B

A

A: posterior longitudinal ligament

B: anterior longitudinal ligament

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16
Q

identify A and B

A

A: interspinous ligament

B: supraspinous ligament

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17
Q

identify this joint

A

knee joints (tibiofemoral joint)

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17
Q

extracapsular ligaments include the:

A

quadriceps tendon/ patellar ligament

tibial collateral ligament (medial collateral ligament MCL)

fibular collateral ligament (lateral collateral ligament LCL)

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18
Q

identify A and B

A

A: quadriceps tendon
B: patellar ligament

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19
Q

identify C

A

medial (tibial) collateral ligament - MCL

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20
Q

identify D

A

lateral (fibular) collateral ligament LCL

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21
Q

intracapsular ligaments

A

set of 2 ligaments - anterior and posterior cruciate ligaments (ACL, PCL)

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22
Q

identify A

A

anterior cruciate ligament (ACL)

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23
Q

[posterior knee] identify A

A

posterior cruciate ligament (PCL)

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24
Q

meniscus (medial and lateral)

A

fibrocartilage disc/pad that helps to shape the knee joint / help fit the femur and tibia fit together

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25
Q

identify B

A

medial meniscus

26
Q

identify c

A

medial meniscus

27
Q

Bursa

A

synovial membrane- sac with synovial fluid that helps increase padding and reduce rubbing

28
Q

identify A

A

suprapatellar bursae

29
Q

identify A

A

infrapatellar fat pad

30
Q

ankle joint (talocrural joint)

A

tibia, fibula, and talus join

31
Q

tibiofibular joint (high ankle joint)

What kind of joint is it specifically?

A

fibrous amphiarthrotic joint

-above talus

32
Q

identify A

A

anterior and posterior tibiofibular ligaments

33
Q

identify where it is pointing

A

interosseous membrane

34
Q

talocrural joint (low ankle joint)- what kind of joint is it more specifically?

A

synovial hinge joint

35
Q

identify A and B

A

anterior and posterior talofibular ligaments

36
Q

identify C

A

calcaneofibular ligament

37
Q

identify A (inner foot)

A

medial/deltoid ligament

38
Q

glenohumeral joint

A

shoulder joint; diarthrotic ball and socket joint

-most frequently dislocated

39
Q

glenoid labrum

A

fibrocartilage supporting structure around the glenoid

40
Q

identify A

A

coracoacromial ligament

41
Q

identify B

A

acromioclavicular ligament

42
Q

identify C

A

coracoclavicular ligaments

43
Q

Shoulder muscles “SITS”

A

supraspinatus
infraspinatus
teres minor
subscapularis

44
Q

identify A, B, C

A

supraspinatus
infraspinatus
teres minor

45
Q

B

A

biceps brachii tendons

46
Q

A

A

triceps brachii tendons

47
Q

Decreasing the angle between bones is called:

A

flexion

48
Q

The joint that permits the greatest range of mobility of any joint in the body is the:

A

shoulder

49
Q

The joint that permits the greatest range of mobility of any joint in the body is the:

A

shoulder

50
Q

Which ligament(s) prevent backward displacement of the tibia or forward sliding of the femur?

A

cruciate (ACL)

51
Q

Synovial fluid functions :

A

lubrication
shock absorption
protect articular cartilages

52
Q

opposition is only possible at the :

A

thumb

53
Q

________ has a joint cavity

A

the knee

54
Q

The primary stabilizing structure(s) of the shoulder joint is/are:

A

the tendons of the “rotator cuff” muscles

55
Q

If you straighten your leg at the knee to kick a soccer ball, you are performing:

A

extension of the leg at the knee

56
Q

The intervertebral articulations include both ________ and _________ joints.

A

cartilagenous and synovial

57
Q

most mobile joint are-

A

ball and socket joints

57
Q

most mobile joint are-

A

ball and socket joints

58
Q

identify a

A

acromioclavicular ligament

59
Q

identify b

A

coracoacromial ligament

60
Q

identify c

A

coracoclavicular ligament

61
Q

identify the muscle

A

subscapularis

Human Anatomy (22 decks)

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