Exm 2 (ch 9) Flashcards

1
Q

a point of contact between:
• Two or more bones
• Cartilage and bone
• Teeth and bone
(Also called articulation)

A

A joint

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2
Q

Structural classification of joints

A

Fibrous, cartilaginous, and synovial

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3
Q

no joint cavity, articulating bones held together by dense irregular connective tissue rich in collagen. Permits little to no movement. Types: Sutures (suture bones of the skull) and Syndesmoses of
tibia/fibula joint, gomphosis (Joint between mandible and teeth)

A

Fibrous

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4
Q

no joint cavity (lack synovial cavity), articulating bones held together by hyaline cartilage (Synchondrosis), (synchondroses- epiphyseal growth plate) or fibrous cartilage (Symphysis- pubic symphysis). Permits little to no movement. Ex: Pubic symphysis and epithelial growth plate

A

Cartilaginous

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5
Q

have articular capsule, characterized by synovial cavity and articular cartilage; may contain accessory ligaments, articular discs and bursae. Articulating bones are covered with articular cartilage, held together by ligaments, contain synovial fluid, have a nerve and blood supply , and are surrounded by an articular capsule
• Synovial fluid is made of lymph and hyaluronic acid
Permits a large range of movement

A

Synovial (have a capsule)

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6
Q

sac-like structures filled with
synovial fluid that cushion movement of one body part over another

A

Bursae

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7
Q

a tube-like bursae that wraps around tendons subject to a great deal of friction. Provides lubrication

A

Tendon sheaths

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8
Q

Degree of movement 

A

Synarthroses, amphirthrosis, diarthroses

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9
Q

virtually no movement
• Ex: sutures between skull bones

A

Synarthroses

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10
Q

limited movement

A

Amphiarthroses

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11
Q

free movement, synovial joints, capsule has dense fibrous outer layer

A

Diarthroses

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12
Q

• Synchondrosis – bones connected by hyaline cartilage in the epiphyseal plates

A

Synarthroses

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13
Q

• Synostosis when calcification is complete

A

Synarthroses

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14
Q

• Pubic symphysis

A

Amphiarthroses

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15
Q

• Syndesmosis of tibia/fibula (more fibers than suture but not as tight)

A

Amphiarthroses

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16
Q

• Gomphosis – cone-shaped peg in tooth socket (also fibrous) – shock absorption!

A

Amphiarthroses

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17
Q

nearly flat bones move side-to-side and back- and-forth
• Planar movements
• biaxial/triaxial

A

Gliding

18
Q

decreasing the angle between bones
• Move AWAY from anatomical
position in the anterior or
posterior direction

A

Flexion

19
Q

increasing the angle between the bones
• Move TOWARDS anatomical
position in the anterior or
posterior direction

A

Extension

20
Q

extension beyond normal range OR beyond a straight line

A

Hypertension

21
Q

movement away from the midline

A

Abduction

22
Q

movement towards the midline

A

Adduction

23
Q

movement of the distal end of a body part in a circle

A

Circumduction

24
Q

the bone revolves around its own longitudinal axis
Medial vs. lateral

A

Rotation

25
Q

superior movement of the body

A

Elevation

26
Q

inferior movement of one part of the body

A

Depression

27
Q

Movement of a body part anteriorly

A

Protraction

28
Q

Movement of a protracted body part back to anatomical position

A

Retraction

29
Q

Move the sole mediately

A

Inversion

30
Q

Moves the sole laterally

A

Eversion

31
Q

Bending the foot at an angle superiorly

A

Dorsiflexion

32
Q

Bending the foot inferiorly

A

Plantar flexion

33
Q

Palm is turned anteriorly

A

Supination

34
Q

Palm is rotated posteriorly

A

Pronation

35
Q

back-and-forth or side-to-side

A

Planar movements

36
Q

concave surface of a bone fits in the convex surface of another bone. Elbow joint

A

Hinge joints

37
Q

rounded or pointed surface of one bone articulates with a ring formed partly by another bone and partly by a ligament. Radius and ulna

A

Pivot joints

38
Q

convex oval-shaped projection of one bone articulates with the oval-
shaped depression of another bone

A

Ellipsoid (condylar) joints

39
Q

one bone acts like a saddle and the other bone fits like a rider. Carpus and metacarpal of thumb

A

Saddle joint

40
Q

ball of one bone fits into the depression of another. Femur and hip bone

A

Ball and socket joints