Joints

Question 1

Joint

Answer 1

any place where adajcent bones come together to form connection

Question 2

Identify 3 Structural Classification of Joints

Answer 2

• Fibrous Joints
• Cartilagious Joints
• Synovial Joints

Question 3

Fibrous Joints

Answer 3

joined by fibrous CT ( Connective Tissue)

- most stable bone

Question 4

Cartilagious Joints

Answer 4

joined by cartilage

Question 5

Name the Fibrous Joints?

Answer 5

• Suture
• Gomphosis
• Syndesmosis

Question 6

Suture

Answer 6

-immobile joint of skull

Question 7

Gomphosis

Answer 7

-a joint between tooth and alveolus of maxilla or mandible

Question 8

Syndemosis

Answer 8

• connect parallel ones w/ sheets of fibrous CT ( Connective TIssue )
• • bones in forearm n legs

Question 9

Name the Cartilaginous Joints?

Answer 9

• Synchondrosis

- Symphysis

Question 10

Syncondrosis

Answer 10

• a joint where bone are joined by hyaline cartilage

- - epiphyseal plate

Question 11

Symphysis

Answer 11

joint where bones are joined by fibrocartilage

• pubic symphysis
• intervertebral disc

Question 12

Names 6 Synovials Joints?

Answer 12

• Ball-and-socket joint - Condyliod Joint - Saddle Joint

- Plane Joint - Pivot Joint - Hunge Joint

Question 13

Ball-and -socket Joint

Answer 13

ball-liked head that fits into cup-like cocket

- shoulder and hip joint

Question 14

Condyloid Joint

Answer 14

shallow depression that fits into rounded structure

- proximal phalanges and metacarpals

Question 15

Saddle Joint

Answer 15

Two saddle-shaped surface that fit together

- carpometacarpal joint of the thumb

Question 16

Plane Joint

Answer 16

two flattened surfaces

- joints between carpals

Question 17

Pivot Joint

Answer 17

rounded structure that rotates within a ring

- joint between C1 and C2

Question 18

Hunge Joint

Answer 18

convex surface that fits within concave depression

- trochlea and trochlear notch

Question 19

Articular Capsule

Answer 19

• CT structure that encloses the joint cavity

Question 20

Articular Cartilage

Answer 20

-later of hyaline cartilage that reduces friction

Question 21

Synovial Membrane

Answer 21

• thin, inner lining

- Synovial Fluid provides lubcrication

Question 22

Ligaments

Answer 22

-strong band of dense CT that connects bone to bone

Question 23

Rotator Cuff

Answer 23

• CT structure formed by 4 rotator cuff muscle tendons

- it attach to rotator cuff muscle of the shoulder

Question 24

Bursa

Answer 24

• CT sac that contains lubricating fluid to reduce friction

- -bursa add protection n reduce friction to moving structure

Question 25

Tendon Sheaths

Answer 25

-fluid-filled CT sac that surrounds a tendon to reduce friction

Question 26

Somme jonts have fribtocartilage structures

Answer 26

- Articular Disc-- small n oval shaped | - Meniscus -- large n C-shaped

Question 27

Acromioclavicular Ligament

Answer 27

- connects acromion n clavicle | - ---- sprained in shoulder separations

Question 28

Coracoclavicular Ligament

Answer 28

-connect coracoid process to clavicle

Question 29

Coracoacromial Ligament

Answer 29

connect coracoid process to acromion

Question 30

Coracohumeral Ligament

Answer 30

-connects coracoid process to the humerus

Question 31

Glenohumeral ligaments

Answer 31

-3 ligaments connect the glenoid cavity to the humerus

Question 32

Glenoid Labrum

Answer 32

-ring of fibrocartilage around glenoid cavity

Question 33

Separation

Answer 33

- not damaged | - Acromioclavicular Joint

Question 34

Dislocation

Answer 34

- damaged | - Glenuhumeral joint

Question 35

Flexion

Answer 35

-a movement that decreases the angle of a joint --- muscle pushes up, doesn't pull ex;squating ( starting as standing then to bending the knee)

Question 36

Extension

Answer 36

- a movement that increases the angle of joint - part limbs move backward - Ex; starting as bending the knee to standing up

Question 37

Abduction

Answer 37

movement of a body part laterally away from midline - moves on the side - EX; moving the legs sideway - Ex using the weights, moving arms sideways

Question 38

Adduction

Answer 38

movement of a body part medially toward midline - move medial - Ex; leg work, moving the legs sideways

Question 39

Lateral Flexion

Answer 39

- bending of head or body toward the right or the left

Question 40

Left & Right Rotation

Answer 40

turns head or body to the right or the left

Question 41

Medial (Internal ) Rotation

Answer 41

- turn anterior aspect of limb toward midline

Question 42

Lateral ( External)

Answer 42

- turns anterior aspect of limb from midline of body

Question 43

Circumduction

Answer 43

- circular motion produced by flexion, extension and adduction - moves circally

Question 44

Elevation

Answer 44

upward movement of body part

Question 45

Depression

Answer 45

-downward movment of body part

Question 46

Protraction

Answer 46

-anterior movement of a body part

Question 47

Retraction

Answer 47

-posterior movement of body part

Question 48

Pronation

Answer 48

-mv=oves the palms to a backward-facing position

Question 49

Sapination

Answer 49

-moves the palm to a foward-facing position

Question 50

Oppossition

Answer 50

-moves thumb toward fingertip

Question 51

Reposition

Answer 51

-moves thumb to the anatomical position

Question 52

Dorsiflexion

Answer 52

-moves top of foot toward anterior leg

Question 53

Plantar Flexion

Answer 53

-moves to point the toes downward

Question 54

Inversion

Answer 54

-moves the bottom of foot towards the midline

Question 55

Eversion

Answer 55

-moves the bottom of foot away from the midline