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GAP > Joints and movements lecture 5 > Flashcards

Joints and movements lecture 5 Flashcards

1
Q

Structure where two bones meets

A

Joints (articulations)

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2
Q

Diathrosis

A

freely moveable joint
ex: metacarpals, shoulder, arm

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3
Q

Amphiartrosis

A

partially moveable
ex: between pelvis and sacrum

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4
Q

Synarthrosis

A

Do not move
ex: suture of skull, teeth

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5
Q

Synovial Joints

A

all diarthrodial joints,

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6
Q

4 components of Synovial Joints

A
  1. Articular cartilage
  2. Joint capsule
  3. Restraining Ligaments
  4. Bursae
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7
Q

Articular cartilage

A

hyaline cartilage covering ends of bones

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8
Q

Joint Capsule

A

connective tissue surrounding joint, hold synovial fluid

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9
Q

Restraining Ligaments

A

provides stability to joints, limits normal ranges of motion

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10
Q

Bursae

A

fluid filled sacs reduce friction

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11
Q

Cartilaginous joint

A

joints joined by cartilage
ex: fibrocartilage joins bones of pubis at the pubic symphysis
(2 parts of the pelvis come together)

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12
Q

Fibrous Joint

A

joints formed by dense connective tissue
ex: suture of skull

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13
Q

origin of muscle

A

fixed and less moveable

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14
Q

Insertion of muscle

A

moves towards the origin as muscle contracts

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15
Q

Isotonic muscle contraction

A

muscle contracts, builds tension and changes length

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16
Q

Concentric Isotonic muscle contraction

A

muscle contracts and shortens

17
Q

Eccentric Isotonic muscle contraction

A

contracted muscle lengthens

18
Q

Isometric contractions

A

muscle contracts against equal force, no joint movement
ex: planks

19
Q

Prime Movers (agonists)

A

muscle responsible for action

20
Q

Synergist

A

muscle that assist prime mover

21
Q

Fixator

A

muscle that stabilizes joint

22
Q

antagonist

A

muscle that reverse the action of prime mover

23
Q

Flexion

A

decreases angle between articulating bones
ex: forearm to arm

24
Q

Extension

A

increase angle
ex: bring forearm away from arm

25
Q

Lateral Flexion

A

moving to the side

26
Q

Abduction

A

lateral movement away from middle

27
Q

adduction

A

lateral movement towards middle

28
Q

Pronation

A

turn arm posteriorly

28
Q

Supination

A

rotate palm anteriorly

29
Q

Plantar Flexion

A

ankle move down like pressing on gas pedal

30
Q

Dorsiflexion

A

ankle back up from stepping on gas pedal

31
Q

Inversion

A

sole of foot move towards medial

32
Q

Eversion

A

sole of foot move lateral

33
Q

Protraction

A

anterior movement
shoulders foward

34
Q

Retraction

A

Posterior movement
shoulders back

35
Q

Elevation

A

superior movement
close mouth

36
Q

Depression

A

inferior movement
open mouth

37
Q

Opposition

A

movement of thumb to grab things

GAP (41 decks)

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