random

Question 1

force is directly proportional to the ___ and ___ og an object

Answer 1

mass and acceleration

Question 2

what is the number for gravity

Answer 2

9.8 m/sec^2

Question 3

a force is named by the …

Answer 3

source of force on the object/segment

Question 4

combining two or more forces into a single resultant force is called

Answer 4

composition of forces

Question 5

when is the magnitude of friction force always greatest

Answer 5

just before the object moves

Question 6

if EA is > RA then mechanical advantage is

Answer 6

> 1

Question 7

if you have a mechanical advantage >1 then it requires

Answer 7

less effort to move the lever

Question 8

what is the MAd for 1st and 3rd class levers

Answer 8

<1 so larger ER is required

Question 9

what is the MAd in 2nd class lever

Answer 9

> 1 so smaller EF is required

Question 10

the action line for the angle of application is usually

Answer 10

parallel

Question 11

what does the Fy force resolution cause and what type of component is it

Answer 11

rotary , perpendicular component

Question 12

what does the Fx force resolution cause and what type of component is it

Answer 12

translation , parallel component

Question 13

what part of the synovial joint houses sensory never fibers to provide position sense and need for active muscular support

Answer 13

joint capsule

Question 14

what happens to synovial fluid at an injured joint

Answer 14

volume increases

Question 15

what are3 connective tissue sacs and found between structures that are moving in tight approximation

Answer 15

bursae a

Question 16

where can bursae’s be found

Answer 16

bone and tendon
bone and skin
bone and muscles
bone and ligament

Question 17

maximal open packed positions is at

Answer 17

rest position

Question 18

what are cells primary function in connective tissue

Answer 18

synthesize the extracellular matrix

Question 19

which extracellular component is type 1 and makes up 90% of the collagen in the body

Answer 19

fibrillar

Question 20

collagen fibers in tendons are

Answer 20

straighter

Question 21

what display the same mechanical behavior no matter the direction of force applied

Answer 21

isotropic matierla

Question 22

what behaves different depending on the size and direction of the applied force

Answer 22

anisotropic material

Question 23

if you have increased stiffness then you have _____ mobility

Answer 23

decreased

Question 24

what is the measurement of structures ability to withstand changes in length

Answer 24

young’s modulus

Question 25

if there is high viscosity then there is a ____ ____ to deformation

Answer 25

high resistance

Question 26

as tissue is stretched to a fixed length , less force is required to maintain that length overtime,… this is called

Answer 26

stress-relaxation

Question 27

what link actin together

Answer 27

z disc

Question 28

the amount of force is directly proportional to the number of _____ side by side

Answer 28

sarcomeres

Question 29

which fascia is attached to muscles/bones and can form tracts , bands or teinaculate

Answer 29

deep

Question 30

what is passive tension

Answer 30

developed in parallel elastic components of muscle

Question 31

what is active tension developed by

Answer 31

contractile eleemtsn of the muscles

Question 32

what is constant angular velocity ; changing torque thru ROM

Answer 32

isokinetic

Question 33

what foes the production of torque vary with

Answer 33

MA, length and velocity

Question 34

what are sensory receptors

Answer 34

golgi tendon organs and muscle spindles

Question 35

in long position there is an ___ number of sarcomers and ____ sarcomere length

Answer 35

increase decrease

Question 36

in short position there is a ___ number of sarcomeres and ____ sarcomere length

Answer 36

decreased increased

Question 37

what is eccentric exercise induced

Answer 37

delayed onset of muscle soreness

Question 38

itises is typically a result of

Answer 38

overuse

Question 39

what is resisted in torsion

Answer 39

annulus fibers/facet joints

Question 40

shear is resisted by facets in what region

Answer 40

lumbar

Question 41

what resist axial compression the most

Answer 41

disc and vertebral bodies

Question 42

what exhibits creep in axial compression

Answer 42

nucleus pulposus

Question 43

if you side bend to the R what happens to alar ligaments

Answer 43

contralateral occipital fibers to become tight and ipsilateral C1 fibers to become taught

Question 44

what happens to the alar ligaments during rotation to the R

Answer 44

causes C2 spinous process to move L

Question 45

where is there relative decrease in flexion/extension

Answer 45

C6-C7

Question 46

where is there more rotation at in the thoracic region

Answer 46

upper

Question 47

what is flexion limited by in the thoracic region

Answer 47

facet orientation rib cafe PLL lig flavum interspinous ligament ZAJ

Question 48

extension in the thoracic region is limited by

Answer 48

structures tension

Question 49

which vertebra in the lumbar region is a transitional vertebra

Answer 49

L5

Question 50

what is teh C shaped articulating surface in the sacrum

Answer 50

ilia

Question 51

when does the xiphisternal joint ossifie

Answer 51

40-45 years

Question 52

when does the manubrosternal joint ossified (rib 2)

Answer 52

60

Question 53

which rib has a larger thicker articulation with stiffer costal cartilage

Answer 53

1st rib