Anatomy & Physiology Chapter 8- Joints

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The 2 main functions of joints are to…

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There are (Second/third word is ____) because it would be confusing to have more than 1 of the same answer if both options come up in a question. It's ball AND socket, not ball & socket

87 Terms

1

The 2 main functions of joints are to…

Give the skeleton mobility

Hold the skeleton together

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2

The 3 structural classifications of joints are…

Fibrous, cartilaginous, and synovial

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3

Fibrous joints are ____ (Movement)

Immovable

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4

A common example of a fibrous joint is…

Suture

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5

Cartilaginous joints are ________ ____ (__Movement)

Slightly movable

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6

If the order of the bones is as follows, what is the order of flexibility from LEAST to MOST?

Hinge, Pivot, Plane, Saddle, Ball and Socket, Condyloid (2 pairs will be in the same category)

2, 2, 1, 3, 4, 3

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7

If the order of the bones is as follows, what is the order of flexibility from LEAST to MOST?

Saddle, Ball and Socket, Hinge, Plane, Condyloid, Pivot (2 pairs will be in the same category)

3, 4, 2, 1, 3, 2

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8

A common cartilaginous joint is…

Ribs connecting to the sternum

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9

Synovial joints are __ ____ (Movement)

Freely movable

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10

The 6 types of synovial joints are…

Hinge, Pivot, Ball and Socket, Saddle, Condyloid, and Gliding

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11

In fibrous structural joints, the bones are joined by (dense regular) __ ____

Fibrous tissues

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12

In fibrous structural joints, there is no __ __

Joint cavity

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13

In cartilaginous joints, articulating bones are united by ___

Cartilage

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14

The pubic symphysis is an example of a ______ joint

Cartilaginous

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15

Bones in ____ joints are separated by a fluid-containing joint cavity

Synovial

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16

The function of articular cartilage and synovial fluid is…

Reduce friction

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17

The function of synovial cavities is to…

Hold fluid

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18

The function of fibrous capsules and reinforcing ligaaments is to…

Support the joint

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19

The function of synovial membranes is…

Produce synovial fluid

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20

____ are sacs lined with synovial membranes and containing synovial fluid.

Bursae

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21

Bursae are common where ligaments, muscles, skin, tendons, or bones ________ together. (At ____ joints)

Rub, complex

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22

The two muscle attachments across a joint are….

Origin and insertion

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23

The origin in a joint is the attachment to the ____ bone

Immovable

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24

The insertion in a joint is the attachment to the _____ bone

Movable

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25

Tendons connect ___ to bone.

Muscle

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26

Ligaments connect ____ to bone.

Bone

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27

Flexion is the bending movement that ____ the angle of the joint.

Decreases

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28

Extension is the reverse of flexion, where the joint angle is ____.

Increased

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29

Dorsiflexion is the _____ movement of the foot. (Superior/inferior)

Superior

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30

Plantar flexion is the _____ movement of the foot. (Superior/inferior)

Inferior

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31

Abduction is movement ___ from the midline (frontal plane). (Away/toward)

Away

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32

Adduction is movement ____ toward the midline (frontal plane). (Away/toward)

Toward

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33

Circumduction is movement that describes a ____ in space.

Cone

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34

____ is the turning of a bone around its own long axis.

Rotation

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35

The first two vertebrae (C1 + C2) is an example of a ___ ___.

Rotation joint

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36

The radius and _____ is an example of a rotation joint.

Ulna

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37

Supination is the turning of the palm ____. (Up/down)

Up

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38

Pronation is the turning of the palm ____. (Up/down)

Down

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39

Inversion is the ___ movement of the foot. (Medial/lateral)

Medial

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40

Eversion is the _____ movement of the foot. (Medial/lateral)

Lateral

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41

Protraction is a ____ movement. (Forward/back)

Forward

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42

Retraction is a ____ movement. (Forward/back)

Back

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43

Elevation is a(n) _____ movement. (Upward/downward)

Upward

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44

Depression is a(n) ____ movement. (Upward/downward)

Downward

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45

Opposition is the movement of the ____ alone.

Thumb

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46

Plane joints are the ____ flexible synovial joint.

Least

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47

The articular surfaces in plane joints are essentially ____.

Flat

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48

Plane joints are _____ joints.

Nonaxial/non-angular

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49

Intercarpal and intertarsal joints are examples of ____ joints.

Plane

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50
<p>This is an example of a ___  _____ (Second word is joint)</p>

This is an example of a ___ _____ (Second word is joint)

Plane joint

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51

Motion in hinge joints is along a ______ ___.

Single joint

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52

Hinge joints (_____) permit flexion and extention only.

Uniaxial

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53

The humerus-ulna joint AND the knee are examples of ____ joints.

Hinge

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54
<p>This is an example of a _____  _______ (__Second word is joint)</p>

This is an example of a _____ _______ (__Second word is joint)

Hinge joint

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55

In a pivot joint, the rounded end of one bone ____ into a “sleeve” or ring of another.

Protrudes

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56

Rotation/___axial movement is allowed at pivot joints.

Uni

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57
<p>This is an example of a __ ____ (Second word is joint)</p>

This is an example of a __ ____ (Second word is joint)

Pivot joint

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58

The bones C1 + C2 AND the radioulnar joint are examples of ____ joints.

Pivot

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59

An ____ surface of one bone fitting into a depression of another bone is an example of a ____ joint.

Open, condyloid

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60

Condyloid joints are _____, meaning they permit all angular movements

Biaxial

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61
<p>This is an example of a ______ _____ (Second word is joint)</p>

This is an example of a ______ _____ (Second word is joint)

Condyloid joint

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62

The radiocarpal (wrist) and metcarpophalangeal (1st knuckle) joints are examples of ____ joints.

Condyloid

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63

Saddle joints are similar to condyloid joints, but allow ____ movement. (Greater/lesser)

Greater

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64

Saddle joints are __axial

Bi

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65
<p>This is an example of a _____ _____ (Second word is joint)</p>

This is an example of a _____ _____ (Second word is joint)

Saddle joint

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66

In ___ joints, each articular surface has both a concave and a convex surface.

Saddle

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67

The carpometacarpal joint of the _____ is an example of a ___ ____ (Second word is joint)

Thumb, saddle joint

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68

Ball and socket joints are the _____ flexible joints.(Most/least)

Most

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69
<p>This is an example of a ____ ___ ______  _______(Fourth word is joint)</p>

This is an example of a ____ ___ ______ _______(Fourth word is joint)

Ball and socket joint

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70

____axial joints permit the most freely moving synovial joints.

Multi

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71

The joint with the scapula and _____ is an example of a ball and socket joint.

Humerus

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72

The joint with the _____ and acetabulum is an example of a ball and socket joint.

Femur

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73

In ball and socket joints, the spherical head of one bone articulates with the _____ of another bone.

Socket

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74

The shoulder has more movement than the hip because the head of the femur is ___ into the acetabulum than the head of humerus is in the ______ fossa.

Deeper, glenoid

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75

Together, the femur, fibula, tibia, and patella make up the ____.

Knee

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76

The knee allows flexion, ______, and some rotationext

Extension

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77

There are _____ joints in one surrounded by a single joint

_____. These are the femoropatellar joint, and the lateral and medial tibiofemoral joints.

Three, cavity

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78

The _CL is more likely to be damaged than the other ligament from a lateral force.

M

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79

If you are hit from the lateral side of your leg, the ___ will be cushioned by the ligaments in the knee, but the ___ will have no cushioning and will tear. The same would happen with a force from the medial side of the leg.

LCL, MCL

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80

The ______ cruciate ligament (ACL) prevents _____

Anterior, hyperextension

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81

The ACL and PCL _____ at the knee joint. (Hint: X)

Cross

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82

The medial and lateral meniscuses (menisci) act as _____.

Cushions

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83

Flexion and extension occur on the _____ plane

Saggital

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84

Adduction and abduction occur on the ____ plane.

Frontal

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85

The MCL is _____(more/less) likely to be damaged than the LCL is.

More

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86

The ACL is ____(more/less) ______ to be damaged than the PCL. (Two words)

More likely

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87

Bursa will _____(Always/Not Always) be found at a synovial joint

Not always

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