Test 1

Question 1

What kind of approach is biomechanics?

Answer 1

A multidisciplinary approach

Question 2

The study of the structure of the body

Answer 2

Anatomy

Question 3

More advantageous muscle insertion means there will be more

Answer 3

Torque

Question 4

What is cartilage there for?

Answer 4

It’s force absorption capabilities

Question 5

Body’s resistance to angular acceleration

Answer 5

Moment of Inertia

Question 6

If something is farther away from it’s center of mass will this make moving easier or more difficult?

Answer 6

More difficult

Question 7

The patella increases what?

Answer 7

Quadriceps torque

Question 8

What is unique about the achilles tendon?

Answer 8

Humans have this but primates do not

Question 9

The study of the function of the body

Answer 9

Physiology

Question 10

Rapidly contract but not good at utilizing oxygen

Answer 10

Fast twitch muscle fibers

Question 11

The study of the neuromuscular mechanisms involved in the facilitation of movement

Answer 11

Motor control

Question 12

Production of force depends on:

Answer 12

recruitment, rate coding, muscle firing patterns, fiber type

Question 13

When muscles are fatigued, what muscle firing patterns do they have?

Answer 13

Synchronous

Question 14

Study of motor behavior across the lifespan

Answer 14

Motor development

Question 15

Where on the body should COG be for someone to be most stable?

Answer 15

Lower parts

Question 16

The study of the acquisition and refinement of motor skills

Answer 16

Motor learning

Question 17

The study of human behavior

Answer 17

Psychology

Question 18

The study of the biochemical nature of genes and heredity

Answer 18

Genetics

Question 19

Measurement and description of the physical components of the body

Answer 19

Anthropometrics

Question 20

The study that makes environments safer. OTs work a lot with this.

Answer 20

Ergonomics

Question 21

Formula for force?

Answer 21

Force= mass times acceleration

Question 22

What causes a change in the state of motion of an object

Answer 22

Force

Question 23

Forces affecting movement

Answer 23

Kinetics

Question 24

The study of time and space characteristics of movement

Answer 24

Kinematics

Question 25

amt. of electrical activity in a muscle

Answer 25

Electromyography

Question 26

Amount of force that is present is measured with a

Answer 26

Force platform

Question 27

This records movement through the use of reflective markers

Answer 27

Motion analyzer

Question 28

Body's resistance to change in motion

Answer 28

Inertia

Question 29

Curved path?

Answer 29

Centripetal

Question 30

Straight line?

Answer 30

Centrifugal

Question 31

Acceleration formula?

Answer 31

Force= mass X acceleration

Question 32

Momentum formula?

Answer 32

Mass X Volume

Question 33

Newton's Third Law

Answer 33

Law of Action: Action= equal and opposite reaction

Question 34

A body's resistance to a chance in angular acceleration

Answer 34

Moment of inertia

Question 35

Moment of inertia formula

Answer 35

Mi= m X k^2

Question 36

Do LONG sarcomeres increase or decrease speed?

Answer 36

Increase speed

Question 37

LOW moment of inertia.. increase or decrease speed?

Answer 37

Increase speed

Question 38

Impulse/Momentum formula

Answer 38

Ft= m(Vi)

Question 39

Falling bodies formula

Answer 39

1/2(g) X t^2

Question 40

Instantaneous Velocity

Answer 40

gt

Question 41

Force absorption becomes more efficient if we ______ the time and _____ the surface area

Answer 41

Increase; increase

Question 42

An object will continue to accelerate in a free fall until what is reached?

Answer 42

Terminal Velocity

Question 43

The lower the CG, the...

Answer 43

more stable.

Question 44

The larger the base of support, ...

Answer 44

the more stable.

Question 45

The heavier the object, ...

Answer 45

the more stable.

Question 46

Do friction and surface area correlate with one another?

Answer 46

No. They are said to be independent of one another.

Question 47

What kind of fluid lubricates articulation surfaces and is absorbed by and coats cartilage?

Answer 47

Synovial fluid

Question 48

Sacs that tendon, ligament and muscle come in contact with boney protuberances and reduce friction

Answer 48

Bursae

Question 49

Skeletal muscles only produce a ______. They never _____.

Answer 49

Pull; push

Question 50

Each muscle fiber is innervated by a ____?

Answer 50

Motor nerve

Question 51

____ affect the activity within the neuromuscular junction.

Answer 51

Toxins

Question 52

Muscle shortens while creating a force

Answer 52

Concentric

Question 53

Muscle lengthens while creating a force

Answer 53

Eccentric

Question 54

The speed of the muscle contraction is regulated by a machine

Answer 54

Isokinetic

Question 55

The resistant force is regulated to match the muscle torque throughout the range of motion

Answer 55

Isoinertial

Question 56

Resistant torque and effort torque vary through the range of motion

Answer 56

Isotonic

Question 57

Muscle length remains constant while creating a force

Answer 57

Isometric

Question 58

Most muscles work best at 100%-120% their resting length

Answer 58

Length-tension

Question 59

The greater the load, the slower the shortening or lengthening

Answer 59

Load-velocity

Question 60

A forced, limited pre-stretch can produce increases in force

Answer 60

Pre-stretching

Question 61

Increase in contraction velocity and increase in enzyme activity

Answer 61

Increased temperature

Question 62

Slow Twitch Oxidative

Answer 62

Type 1

Question 63

Fast twitch and moderate aerobic and anaerobic capacities

Answer 63

Type 2A

Question 64

Fast twitch anaerobic

Answer 64

Type 2B

Question 65

Oblique fiber pattern that is good for strength

Answer 65

Pennate

Question 66

Fibers run in line with the line of pull. Good for speed.

Answer 66

Nonpennate

Question 67

The muscle or muscle group doing the work

Answer 67

Agonist

Question 68

The muscle or muscle group that produces the opposite movement of the agonist contraction

Answer 68

Antagonist

Question 69

Muscles attach to _____

Answer 69

Bones

Question 70

Joints serve as _______

Answer 70

Axes of rotation

Question 71

Formula for Mass

Answer 71

Weight/Gravity

Question 72

Pressue formula

Answer 72

F/A

Question 73

Centripetal Force formula

Answer 73

Fc=M x V^2/r