Chapter 9: Joints

Question 1

3 Classifications (based on movement of that joint and how they articulate)

Answer 1

Joint classifications

Question 2

Immovable

Answer 2

Fibrous (Synarthrosis)

Question 3

Slightly moveable

Answer 3

Cartilaginous (Amphiarthrosis)

Question 4

Freely moveable

Answer 4

Synovial (Diarthrosis)

Question 5

Sutures
Syndesmosis
Found between long bones with large distance between articulations

Answer 5

Synarthrosis joints (Fibrous)

Question 6

Slightly moveable and held together by cartilage

Answer 6

Amphiarthrosis joints(cartilaginous)

Answer 7

Examples of amphiarthrosis joints(cartilaginous)

Question 8

Freely moving

Answer 8

Diarthrosis Joints(Synovial)

Question 9

Joint capsule”
Surrounds the joint

Answer 9

Articular Capsule

Question 10

Lubricates the joint
Absorbs shock

Answer 10

Synovial Membrane and Fluid

Question 11

Limit motion

Answer 11

Accessory Ligaments

Question 12

Shock absorption (probably)

Answer 12

Articular Discs

Question 13

Coat the articular surface for better contact

Answer 13

Labra

Question 14

Wrapped around a tendon as it passes through tunnels or openings to reduce friction between bone and muscle

Answer 14

Tendon Sheath

Question 15

Saclike structures in certain joints that cushion the movement between bone and muscles tendons or ligaments

Answer 15

Bursae

Question 16

Types of movements for synovial jointsbasic movements

Answer 16

Flexion
Extension
Lateral Flexion
Abduction
Adduction
Circumduction
Rotation

Question 17

Movement away from the midline

Answer 17

Abduction

Question 18

Movement toward the midline

Answer 18

Adduction

Question 19

Movement of the distal end of the body part in a circle
Combination of flexion, extension, abduction and adduction at same time

Answer 19

Circumduction

Question 20

A bone revolving around its own axis
Defined in relation to the midline of the body

Answer 20

Rotation

Question 21

Superior movement

Answer 21

Elevation

Question 22

Inferior movement

Answer 22

Depression

Question 23

Anterior movement

Answer 23

Protraction

Question 24

Posterior movement

Answer 24

Retraction

Question 25

Turn inward

Answer 25

Inversion

Question 26

Specific to foot, foot goes downturn outward

Answer 26

Dorsiflexion

Question 27

Specific to foot, foot goes up

Answer 27

Plantar flexion

Question 28

Turn up

Answer 28

Supination

Question 29

Turn down

Answer 29

Pronation

Question 30

Main Types of synovial joints

Answer 30

Plane Hinge Pivot Saddle Ball and Socket

Question 31

Flat articular surfaces

Answer 31

Plane joint

Question 32

“like a closet door” Flexion/Extension

Answer 32

Hinge joint

Question 33

Rotation around the length of the bone Shaking your head (C1-C2) Radio-ulnar joint

Answer 33

Pivot joint

Question 34

Articular surface on one bone is saddle shaped while other bone sits in the saddle Trapezium with 1st metacarpal bone

Answer 34

Saddle joint

Question 35

“Ball” fits into cup-like depression Shoulder Hips

Answer 35

Ball and Socket joint

Question 36

Axial skeleton joints

Answer 36

Atlanto-occipital Joint Atlanto-axial Joint Intervertebral Joint Costovertebral Joint Costosternal Joint Lumbosacral Joint

Question 37

Appendicular skeleton joints

Answer 37

Sternoclavicular Acromioclavicular Radioulnar Intercarpal Carpometacarpal Sacroiliac Glenohumeral (Shoulder) Elbow Hip Knee

Question 38

Head of the humerus with glenoid cavity of the scapula Most freely movable joint in body Acromioclavicular Joint is also included with the shoulder region

Answer 38

Glenohumeral joint (Shoulder)

Question 39

Articular Capsule Coracohumeral ligament Glenohumeral ligament Transverse humeral ligament Glenoid labrum Bursa (4)

Answer 39

Glenohumeral joint (Shoulder) Structure

Question 40

Trochlea and Capitulum of humerus with Trochlear Notch of the ulna and Head of the radius

Answer 40

Elbow

Question 41

Ulnar Collateral Ligament Radial Collateral Ligament

Answer 41

Elbow Structures

Question 42

Head of the femur into acetabulum Very mobile Extremely stable joint

Answer 42

Hip joint

Question 43

Articular capsule Labrum

Answer 43

Hip joint structure

Question 44

Largest and most complex joint

Answer 44

Knee joint

Question 45

Tibiofemoral joint on lateral side Tibiofemoral joint on medial side Patellofemoral joint

Answer 45

3 Joints in One

Question 46

Anterior Cruciate Ligament Posterior Cruciate Ligament Lateral Collateral Ligament Medial Collateral Ligament Meniscus (medial and lateral)

Answer 46

Knee joint structure

Question 47

Painful, body does not recognize its own tissues

Answer 47

Rheumatoid Arthritis

Question 48

Degeneration of a joint, cartilage is lost

Answer 48

Osteoarthritis

Question 49

Uric acid build-up

Answer 49

Gout

Question 50

Complete displacement of a bone from joint

Answer 50

Disloction

Question 51

Partial displacement of a bone form a joint

Answer 51

Subluxation

Question 52

Happens to ligaments, can be either stretched or torn

Answer 52

Sprain

Question 53

Happens to muscles

Answer 53

Strain