Need To Know

Question 1

Energy source OXIDATIVE lasts how long?

Answer 1

Past a minute,, “Long term energy”

Question 2

Respond to pressure, acceleration and deceleration of joints

Answer 2

Joint receptors

Question 3

Senses changes in muscular tension

Answer 3

Golgi tendon organs

Question 4

Sense changes in muscle length

Answer 4

Muscle spindles

Question 5

Smaller in size, fatigue slowly

Answer 5

Type 1 (slow twitch)

Question 6

Larger size, quick to produce maximal tension; fatigue quickly

Answer 6

Type 2 (fast twitch)

Question 7

Thick and thin filaments slide past one another, shortening the entire sacromere

Answer 7

Sliding filament theory

Question 8

Outer layer of connective tissue surrounding a muscle

Answer 8

Fascia

Question 9

Bundle of individual muscle fibers are called?

Answer 9

Fascicles

Question 10

Connect muscle to bone; provide anchor for muscles to produce force

Answer 10

Tendons

Question 11

What does a sarcomere do?

Answer 11

Produces muscle contraction. Repeating sections of actin and myosin

Question 12

What Produces muscle contraction?. Repeating sections of actin and myosin

Answer 12

Sacromere

Question 13

Cellular components and myofibrils encased in a plasma membrane

Answer 13

Muscle fiber

Question 14

One motor neuron and the muscle fibers it connects with is called what?

Answer 14

Motor unit

Question 15

Chemical messengers that transport impulses from nerve to muscle

Answer 15

Neurotransmitters

Question 16

Communication network within the body

Answer 16

Nervous system

Question 17

This system cordinates activity of the body; Brain and spinal cord

Answer 17

Central nervous system 😬

Question 18

Nerves that connect to the CNS to the rest of the body and environment

Answer 18

Peripheral nervous system

Question 19

Part of Peripheral nervous system; serves outer areas of the body and skeletal muscle; voluntary

Answer 19

Somatic

Question 20

Part of Peripheral nervous system; involuntary systems (Ex. Heart, digestion)

Answer 20

Autonomic

Question 21

Neuron

Answer 21

Functional unit of nervous system

Question 22

Motor neurons transmit

Answer 22

Nerve impulses FROM CNS TO effector sites

Question 23

Sensory neurons

Answer 23

Nerve impulses FROm effector sites TO CNS. Respond to stimuli

Question 24

What is the local Stabilization system attached to?

Answer 24

Attaches directly to vertebrae

Question 25

What stabilization system is attached from pelvis to spine?

Answer 25

Global Stabilization system

Question 26

Average untrained adults bpm?

Answer 26

70-80 bpm

Question 27

What are the three stages of energy systems our body uses?

Answer 27

ATP-PC GLYCOLYSIS OXIDATIVE SYSTEM

Question 28

What energy source lasts for 30-50 seconds?

Answer 28

Glycolysis

Question 29

Energy source ATP-PC lasts how long?

Answer 29

10-15 seconds

Question 30

Difference between AEROBIC & ANAEROBIC

Answer 30

Aerobic requires oxygen | Anaerobic without oxygen

Question 31

What consists in the "MUSCLE ACTION SPECTRUM" ?

Answer 31

Concentric, isometric, eccentric movement

Question 32

Groups of muscles that are recruited by the CNS to provide movement

Answer 32

Muscle synergies

Question 33

Predictable patterns of muscle imbalances are called?

Answer 33

Postural distribution patterns

Question 34

Muscle inhibition caused by a tight agonist, which inhibits its functional antagonists

Answer 34

Altered reciprocal inhibition

Question 35

Simple sugar made by the body from carbs, fats, and sometimes protein

Answer 35

Glucose

Question 36

Main source of fuel ?

Answer 36

Glycose

Question 37

Complex carbohydrate used to store energy in liver and muscle tissue

Answer 37

Glycogen

Question 38

How many calories per gram? Fat / carbohydrates / protein

Answer 38

Fat- 9g | Carb/protein - 4g

Question 39

What is the YMCA- STEP TEST?

Answer 39

Perform 96 steps per minute, 12 inch step, for 3 minutes

Question 40

What are the three HR Zones scores and % for the YMCA step tests?

Answer 40

Zone 1: 65-75% (Very poor / poor / below average) Zone 2: 76-85% (Average / above average) Zone 3: 86-95% (Excellent)

Question 41

HR zones and for Rockport walk test?

Answer 41

Zone 1: poor or fair Zone 2: average or good Zone 3: very good

Question 42

Whats the healthy BP?

Answer 42

less than 120/80 mm hg

Question 43

What is the Durnin-wormsely formula?

Answer 43

The total of skin fold measurements to assess subcutaneous fat

Question 44

For the waist-to-hip ratio; what ratio increases risk for a number of diseases??

Answer 44

Ratios greater than Women; .80 Men; .95

Question 45

The recruitment of core stabilizers by drawing the navel towards the spine (local stabilization)

Answer 45

Drawing-in-maneuver

Question 46

What is bracing ? (Global movement)

Answer 46

Contracting of the abdominals, lower back and glutes to stabilize the trunk