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A&P 1 UNCW > Joints and Kinesiology > Flashcards

Joints and Kinesiology Flashcards

1
Q

Range of Motion

A

The normal extent of mobility for a specific joint movement.

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2
Q

Degrees of Freedom

A

The number of axes at which movement in a joint occurs/

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3
Q

Stability Vs. Mobility

A

The more mobile a joint the more likely it is to get injuered/

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4
Q

3 Types of Joints

A

Fibrous (Sutures and Fontanels), Cartilaginous (Pubic Symphysis), Synovial (Unilateral, Bilateral, and Multiaxial)

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5
Q

Anatomy of a Synovial Joint Superficial to Deep

A

Ligaments, Joint Capsule, Synovial Membrane, Synovial fluid, Articular cartilage, and Bone

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6
Q

Uniaxial Joint Types

A

Hinge and Pivot

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7
Q

Biaxial Joints Types

A

Condyloid, Saddle, Gliding

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8
Q

Multiaxial Type

A

Ball-and Socket

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9
Q
A

A. Dorsiflexion B. Plantarflexion

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10
Q
A
  1. Flexion 2. Extension
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11
Q
A

Up: Abduction Down: Adduction

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12
Q
A

Circumduction

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13
Q

Special Movements

A

supination/pronation, inversion/eversion, opposition, retraction/protraction, elevation/depression

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14
Q
A

Left: Supination Right: Pronation

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15
Q
A

Left: Eversion Right: Inversion

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16
Q
A

Oposition

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17
Q
A

Top: Protraction Bottom: Retraction

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18
Q
A

Left: Elevation Right: Depression

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19
Q

A

A

Humeroulnar Joint

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20
Q

B

A

Humeroradial

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21
Q

C

A

Radialulnar

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22
Q

3

A

Olecranon

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23
Q

View

A

Posterior

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24
Q

View

A

Anterior

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25
Q
A

Trochlea

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26
Q

Origin

A

Muscle’s proximal attachment

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27
Q

Insertion

A

Muscle’s distal attachment

28
Q

Agonist

A

Muscle group most directly involved in movement

29
Q

Antagonist

A

Opposing muscle group; slows down limbs during fast movement.

30
Q

Synergist

A

Muscle that stabilizes the body during movement but are not responsible for the movement.

31
Q

4

A

Bicep

32
Q

9

A

Abdominals

33
Q

12

A

Quadriceps

34
Q

7

A

Pectoralis

35
Q

2

A

Trapezius

36
Q

5

A

Triceps

37
Q

1 Muscle that is underneath the muscle indicated.

A

Erector Spinae

38
Q

11

A

Gluteus Maximus

39
Q

16

A

Hamstrings

40
Q

18

A

Gastrocnemius

41
Q

3

A

Deltoids

42
Q

What is it and what does it do?

A

Brachioradialis: Flexes the elbow

43
Q

What is it and what does it do?

A

Anconeus: Stabilizes elbow during extension

44
Q

3

A

Brachialis

45
Q

Isotonic Contractions

A

Generation of muscle force with constant muscle tension and change in muscle length.

46
Q

Concentric

A

Isotonic Contraction: Shortening

47
Q

Eccentric

A

Isotonic Contraction: Lengthening

48
Q

Isometric Contractions

A

Activation muscle contraction without changing the muscle length.

49
Q
A

Concentric muscle action

50
Q
A

Eccentric muscle action

51
Q
A

Isometric muscle contraction

52
Q

Class, Definition, and joint example

A

First Class Lever; Applied and resistant forces on opposite sides of the fulcrum; Jaw

53
Q

Class, Definition, and example

A

Second Class Lever; Resistance lies between the applied force and the fulcrum; Ankle

54
Q

Class, Definition, and example

A

Third Class Lever; Force is applied between the resistance and the fulcrum; Elbow

55
Q

True or Fales: The sternocostal joints have fewer degrees of freedom that the glenohumeral joint.

A

False

56
Q

True or False: The sternocostal joints have a smaller range of motion than the glenohumeral joint.

A

True

57
Q

What are the possible joint movements at the elbow?

A

Pronation/Supination and Flextion/Extention

58
Q

Which muscles extend the elbow?

A

Triceps brachii

59
Q

Which muscles flex the elbow?

A

Bicep Brachii, Brachialis, Brachioradialis

60
Q

When successfully holding Yoga poses like navasana (boat pose), the engaged muscles are in _______________ contraction.

A

Isometric

61
Q
A

Left: Valgus Middle: Normal Right: Varus

62
Q

Which ligament complex prevents valgus distortion of the elbow joint?

A

Medial collateral ligament

63
Q

Which ligament complex prevents varus distortion of the elbow?

A

Lateral collateral ligament

64
Q

During flexion and extension of the elbow joint, the ______________ of the ulna rotates around the _____________ of the humerus and fits into the _______________ at the full extension.

A

Trochlear Notch; Trochlea; Olecranon Fossa

65
Q

Which anatomical features serve to reduce friction and protect the bone during flexion and extension of the elbow?

A

Synovial fluid and articular hyaline cartilage.

A&P 1 UNCW (15 decks)

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