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Kinesiology/Biomechanics > Articulations > Flashcards

Articulations Flashcards

1
Q

Synarthroses

A

No movement
Sutures of the skull
Allow growth

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2
Q

Amphiarthroses

A

Little movement
Pubic symphysis and intervertebral joints
use to dissipate forces

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3
Q

Diarthroses

A

Free movement

  1. actual cavity
  2. encapsulated
  3. synovial fluid
  4. ends of bones covered with hyaline cartilage (boy end,girl end)
  5. good at reducing friction and shock absorption
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4
Q

What are the six subcategories of Diarthroses joints?

A
  1. pivot or trochoid uniplanar and uniaxial
  2. ball and socket or enarthrodial triplanar and triaxial
  3. hinge or ginglymus uniplanar and uniaxial
  4. condyloid or ellipsoidal biplanar and biaxial
  5. saddle or sellar biplanar and biaxial
  6. gliding or arthrodial nonaxial
    Penis bangs cute horny school girls
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5
Q

Pivot joint and examples

A

(trochoid) uniplanar and uniaxial

Examples: atlantoaxial joint and radioulnar joints (both proximal and distal)

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6
Q

ball and socket and examples

A

(enarthrodial) triplanar and triaxial

glenohumeral and coxofemoral/acetabulofemoral joints

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7
Q

hinge

A

(ginglymus) uniplanar and uniaxial

humeroulnar and tibiofemoral and talocrural joints

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8
Q

condyloid

A

(ellipsoidal) biplanar and biaxial

radiocarpal and metacarpophalangeal joints (#2-5)

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9
Q

saddle

A

(sellar) biplanar and biaxial

carpometacarpal joint of the thumb (only example of a saddle joint in the body)

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10
Q

Gliding

A

(arthrodial) nonaxial

interperacarpals and intertarsals

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11
Q

trochoid and examples

A

(pivot) uniplanar and uniaxial

Examples: atlantoaxial joint and radioulnar joints (both proximal and distal)

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12
Q

Enarthrodial and examples

A

(ball and socket) triplanar and triaxial

glenohumeral and coxofemoral/acetabulofemoral joints

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13
Q

ginglymus and examples

A

(hinge) uniplanar and uniaxial

umeroulnar and tibiofemoral and talocrural joints

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14
Q

ellipsoidal and examples

A

(condyloid) biplanar and biaxial

radiocarpal and metacarpophalangeal joints (#2-5)

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15
Q

sellar and examples

A

(saddle) biplanar and biaxial

carpometacarpal joint of the thumb (only example of a saddle joint in the body)

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16
Q

arthrodial and examples

A

(gliding) nonaxial

interpacarpals and intertarsals

17
Q

increased flexibility or over flexibility can cause dislocation in joint

A

Hypertonic

18
Q

Joint stability

A

the propensity of an articulation to resist displacement.

19
Q

Joint stability is inversely related to joint…

A

ROM/Mobility/Flexibility

20
Q

Factors that contribute to joint stability/ROM:

A
  1. joint ligaments
  2. muscle tension; agonist antagonist relationship
  3. fascia or connective tissue
  4. atmospheric pressure
  5. shape of the articulating surfaces of the bones (geometry, or architecture of the articulation)
21
Q

Joint ROM/Mobility/Flexibility is inversely related to joint?

A

Joint stability

22
Q

A force may be described as a push or a pull. Are muscles capable of both pushing and pulling?

A

No! Muscles can only pull…that is, an individual muscle can only cause shortening.
*However, Muscles pull on bones, which create levers, can produce a musculoskeletal system that both pulls and pushes.

23
Q

A Force, therefore, is a…

A

push or a pull that speeds up, slows down, deforms and/or changes the direction of an object.

24
Q

What are the four Forces that are commonly found in biomechanics?

A
  1. compression
  2. tension
  3. shear
  4. torsion
25
Q

3 degrees of freedom means?

A

Joint is able to move in 3 different planes

26
Q

hypertonic

A

increased flexibility or over flexibility can cause dislocation in joint

27
Q

Describe the Movement Triad

A

Control (neurons,endocrine sys)

Motor (muscles Fuel (cardiovascular)
bones, tendons)

This all makes a triangle

28
Q

No movement

Example: Sutures of the skull

A

Synarthroses joints

29
Q

Little movement

Pubic symphasis and intervertebral disks

A

Amphiarthroses joints

30
Q

Free movement

  1. actual cavity
  2. encapsulated
  3. synovial fluid
  4. ends of bones covered with hyaline cartilage
A

Diarthroses joints

31
Q

foot inversion/eversion

A

along the Frontal Plane

Kinesiology/Biomechanics (8 decks)

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