Joints, Muscle And Blood Supply

Question 1

What does arthroses mean? What are types of arthroses?

Answer 1

Joints

Synarthroses and diarthroses

Question 2

What type of joints connect bones to bones via tissue? Its function

Answer 2

Synarthroses.

Stabilziation rather than movement

Question 3

What are two types of synarthroses?

Answer 3

Fibrous joint

Cartilaginous joint

Question 4

Where are suture joints founded? Where are Gomphosis founded?

Answer 4

Flat bones of skull (dense short fiber)

Short dense fiber btw tooth and tooth socket

Question 5

What joints held together by ligament? How is it fibrous tissue compare to suture’s?

Answer 5

Syndesmosis

Longer

Question 6

What type of joint suture, gomphosis & syndesmosis are?

Answer 6

Fibrous joint

Question 7

What joint is primary in cartilaginous joint?

Answer 7

Synchondrosis

Question 8

What joint made of hyaline cartilage? Where is it?

Answer 8

Synchondrosis

Sternum & ribs

Question 9

What joint made of fibrocartilage? Where is it?

Answer 9

Symphysis

Pubic bone

Question 10

What joint that bone indirectly connect via the joint capsule?

Answer 10

Diarthroses

Question 11

What are components of synovial joint?

Answer 11

Joint capsule made of fibrous tissue
Joint cavity enclosed by capsule
Synovial membrane lining capsule
Synovial fluid covering joint surface
Hyaline cartilage cover joint surfaces

Question 12

How does hyaline cartilage get its nutrients? Why?

Answer 12

From joints movement. Because it doesnt have blood supply

Question 13

What ligament and tendons do to diarthrose? Labrum? Fat pads?

Answer 13

Enforce joints
Raise edges
Reduce fiction

Question 14

Where else fibrocartilaginous disks founded?

Answer 14

In diarthroses - joint capsule

Question 15

How diarthroses categorized?

Answer 15

Based on degree of freedom

Question 16

Uniaxial? What are those joints?

Answer 16

Flexion and Extension
Hinge joints
Pivot joints

Question 17

Where do you find hinge joint?

Answer 17

Interphalanges and elbow joint

Question 18

How does pivot joint work?

Answer 18

Rotation about an axis

Question 19

What is biaxial? Where do you find them?

Answer 19

Flexion and Extension + adduction and abduction

Condyloid: metacarpal joints
Saddle

Question 20

What is triaxial? Where you can find them?

Answer 20

Flex/ext + abd/add + circumduction

Ball and socket: hip and shoulder
Plane joints

Question 21

What joint motions are there?

Answer 21

Spinning
Rolling
Sliding/gliding
Combined

Question 22

When closed-packed joints happen?

Answer 22

When bones are the closest, joint space is smaller/ ligament and tendons are tight

Question 23

Example o closed packed joint?

Answer 23

Knee extension

Question 24

What are main factors for stabilization joints?

Answer 24

Shape of articulating surface
Presence of ligaments
Muscle/tendons

Question 25

What is dynamic stability?

Answer 25

When muscles stabilizes joint so it can move

Question 26

What blood come to your arm?

Answer 26

Subclavian arteries

Question 27

Brachiocephalic trunk

Answer 27

Split into common coratid and subclavian

Question 28

Is there subclavian trunk on the left?

Answer 28

No

Question 29

Vertebral blood supply what?

Answer 29

B5 to part of spinal cord

Question 30

What subclavian split into?

Answer 30

Brachial and axillary