Musco-skeletal system

Question 1

Muscoskeletal system function

Answer 1

aid body in movement, form, and stability

Question 2

5 main functions

Answer 2

1. movement
2. structural support
3. organ protection
4. blood cell production
   5 storage of minerals

Question 3

organs

Answer 3

bones
joints
tissues
tendons
ligaments
cartilage
muscle

Question 4

4 bones types

Answer 4

long bone, found in arms and legs, work as levers for movement
short bone, wrists and ankles, cube shaped
flat bone, ribs, shoulder blade, breast bone, skull bone
irregular bone, spine

Question 5

bones 3 main parts

Answer 5

spongy bone: porous, red bone marrow, end f the bones, produces red blood cells, light weigh, shock absorber

bone marrow: center of bone, soft fatty tissue (red/yellow colour) , stores fat to convert to energy, makes all blood contents
(marrow and vessels fill cavities ibn bones that store fat, and stem cells that produce blood cells)

compact bone: sturdy layer, dense and makes up 80% of human skeleton, protective shell around spongy bone tissue
rigid strength and resistance, stores and releases calcium, bones stay compact while still receiving nutrients and disposing of waste, made of osteon

Question 6

cells that keep bone tissue as they control the mineral and calcium contents

Answer 6

ostyocytes

Question 7

are bones constantly re building

Answer 7

yes

Question 8

cells that create bone tissue

Answer 8

ostyoblast

Question 9

cells that break down old bone tissue

Answer 9

ostyoclast

Question 10

joints

Answer 10

2 or more bones meet to allow movement
made of bones, cartilage ligaments, and (synovium)
bear weight and move body through space

Question 11

types of joints

Answer 11

fiborus - dont move
cartaliginous - dont move
synovial joints - space between the 2 bones

Question 12

held together by connective tissue
skull, jaw teeth, dont move

Answer 12

fibrous

Question 13

bones are connected by cartilage, and little movement
epiphyseal plates n growing children

Answer 13

cartaliginous

Question 14

grinding movements and limited range of motion
carpal bones, tarsal bones (feet), in between vertebras

Answer 14

planer jonts

Question 15

one bone moves, one is stationary
elbow and knees

Answer 15

hinge joints

Question 16

rotational movement around an axis
vertebras in the neck, wrist

Answer 16

pivot joints

Question 17

angular movement along to axes
fingers and wrist

Answer 17

condyloid joint

Question 18

angular movement with greater range of motion
thumb

Answer 18

saddle joint

Question 19

greatest range of motion, movement in all directions
hips and shoulders

Answer 19

ball and socket

Question 20

muscle tissue

Answer 20

long fibrous cells
parallel bundles to strengthen muscles
smooth muscle tissue: in walls of hollow organs, controlled involuntary, non-striated, thin and thick filament
connective muscle tissue: binds tissues together,
loose connective = holds organs in place,
dense connective = makes up tendons and ligaments,
skeletal muscle tissue: support and structure in between bones, make blood cells

Question 21

skeletal tissue

Answer 21

compact tissue = outer harder tissue
cancellous tissue = spongy inside bones, structural and flexibility, light
subchondral tissue = smooth tissue, end of bones, covered in cartilage, frictionless movement

Question 22

tendons

Answer 22

connective tissue that connects muscle to bone
not stretchy
elbow, heel, shoulder, wrist
flexor tendons = bend and curl
exstensor joints = straighten and extend
ligamentous joints = stability (most numerous)

Question 23

ligaments

Answer 23

soft tissue binds 2 bones together
yellow is stretchy, white is collagen
parallel to stretch direction

Question 24

cartilage

Answer 24

strong an flexible connective tissue = protects bones and joints
smooth surface for articulation with little friction
end of bones

Question 25

muscles

Answer 25

skeletal - opposing pairs
smooth - internal structures
cardiac - heart, contracts and releases involentary

Question 26

4 muscle functions

Answer 26

movement
posture
joint stability
heat production

Question 27

illnesses and disease

Answer 27

osteopenia
carpal tunnel
osteoarthritis

Question 28

what is osteopenia

Answer 28

bone density decreasing as they get weaker and weaker

Question 29

symptoms of osteopenia

Answer 29

nothing

Question 30

osteopenia age group

Answer 30

50-70

Question 31

osteopenia treatment

Answer 31

diet (calcium intake) exercise, and vitamins

Question 32

carpal tunnel what is it

Answer 32

effects arms and hands

Question 33

carpal tunnel symptoms

Answer 33

grip weakness, pain and numbness

Question 34

treatment for carpal tunnel

Answer 34

corticosteroids, injected into hand

Question 35

carpal tunnel age groups

Answer 35

40-60

Question 36

osteoarthritis what is it

Answer 36

hand hips knees

Question 37

osteoarthritis symptoms

Answer 37

swelling, pain in effected joint, stifness

Question 38

osteoarthritis treatments

Answer 38

healthy lifstyle

Question 39

osteoarthritis age groups

Answer 39

50-70