Muscle Activity And Strength

Front 1

Isometric

Back 1

No motion

Front 2

Concentric

Back 2

Muscle shortening

Front 3

Eccentric

Back 3

Muscle lengthening

Front 4

Isotonic

Back 4

Constant tension, length changes

Front 5

Origin

Back 5

Proximal attachments

Front 6

Insertion

Back 6

Distal attachments

Front 7

Elyctromyography

Back 7

Recording muscles output and activity

Front 8

Agonist

Back 8

Prime movers

Muscles producing a motion

Maintaining posture

Front 9

Antagonist

Back 9

Provides the opposite anatomic action

Front 10

Synergist

Back 10

A muscle that contract atthe same time

Front 11

Stress

Back 11

force or load that body resists

Front 12

Strain

Back 12

Able to tolerate before it succumbs to the stress

Front 13

Synapses

Back 13

Junction between a nerve and a cell

Front 14

Neurons

Back 14

Aka nerve cells

Receives stimuli and transmit actions potentials

Front 15

Dendrites

Back 15

Received stimuli through activation of ligand gated

Front 16

Axons

Back 16

Propagates nerve impulse

Front 17

Axon

Back 17

Where cell generates AP

Front 18

Neurons cell body

Back 18

Aka soma

Front 19

Neurotransmitters

Back 19

Chemical that can stimulate or inhibit post synaptic cell

Front 20

Muscle tone

Back 20

Constant tension

Front 21

Muscle spindle

Back 21

Maintenence and regulation

Front 22

Hypertonia

Back 22

Low tone

Front 23

Hypotonia

Back 23

High tone

Front 24

Viscosity

Back 24

Permanent deformation

Front 25

Extensibility

Back 25

Ability to stretch, elongate, or expand

Front 26

Elasticity

Back 26

Succumb to an elongating force then return

Front 27

Viscoelasticity

Back 27

Resist change in its shape the tissue is unable to return

Front 28

Failure range

Back 28

Give in structure is felt and then the tissues rips apart

Front 29

Necking range

Back 29

More and more microscopic ruptures

Front 30

Hypertrophy

Back 30

Increase in muscle

Front 31

Atrophy

Back 31

Decrease in muscle

Front 32

Type 1

Back 32

Slow twitch

Front 33

Type 2a

Back 33

Fast twitch oxidative glycolytic

Front 34

Type 2b

Back 34

Fast twitch glycolytic

Low fatigue resistance

Front 35

Unipennate

Back 35

Fibers in one side of Central tendon

Front 36

Epimysium

Back 36

Muscle

Front 37

Perimysium

Back 37

Fascicles

Front 38

Endomysium

Back 38

Fibers

Front 39

Afferent

Back 39

Sensory(body to the brain)

Front 40

Efferent

Back 40

Motor (brain to the body)

Front 41

Passive tension

Back 41

Adds to the muscle tension in lengthening

Front 42

Active tension

Back 42

Responsible for muscle tension during shortening

Front 43

Muscular fascia

Back 43

Separates individual or group of muscles

Front 44

Fascia

Back 44

Sheets within the body

Front 45

Strap

Back 45

Shaped like a belt and have fibers that runs longitudinally

Front 46

Pennate

Back 46

An angle to the force generating axis

A muscle with fascicles

Front 47

Toe region

Back 47

Stress is applied to the tissue

Front 48

Elastic region

Back 48

Elastic properties are stressed

Front 49

Plastic region

Back 49

Microscopic damage

Permanent change in tissue length

Front 50

Contractility

Back 50

Shorten forcefully

Front 51

Excitability

Back 51

Capacity to respond to stimuli

Front 52

Extensibility

Back 52

Stretched beyond its normal

Front 53

Elasticity

Back 53

Recoil to its original resting length

Front 54

Sarcomere

Back 54

Shorten as z disks moves towards each other

Front 55

It happens when actin overlap

Back 55

H zone disappears

I bond narrows

A bond unchanged

Front 56

Muscle synergy

Back 56

Functional coordinated muscle activation

Front 57

Reflexes

Back 57

Stereotypical and predictable

Front 58

Ligand

Back 58

Muscle that binds a receptor

Front 59

Receptor

Back 59

Proteins that has a receptor sites

Front 60

RMP NERVE

Back 60

-70mv

Front 61

RMP NERVE

Back 61

-70mv

Front 62

RMP MUSCLES

Back 62

-90mv

Front 63

Sarcolemma

Back 63

Plasma membranes of muscle fiber

Front 64

Sacroplasm

Back 64

Cytoplasm without myofibrils

Front 65

Actin

Back 65

Thin filament

Front 66

Fibrous actin

Back 66

Strand

Front 67

Globular actin

Back 67

Pearl

Front 68

Troponin

Back 68

Ca2+ binding sites

Front 69

Tropomysium

Back 69

Covers active sites

Front 70

Myosin filament

Back 70

Thick filament

Front 71

Acetylcholinesterase

Back 71

Stops muscle contractions

Front 72

Neurotransmitters

Back 72

Excitatory

Inhibitory

Front 73

Kinesthesia

Back 73

Movement sense

Front 74

Proprioception

Back 74

Position sense (static)

Front 75

Troponin

Back 75

Ca2+ binding sites

Front 76

Bipennate

Back 76

Fibers coverage from both sides to a central tendon

Front 77

Bipennate

Back 77

Fibers coverage from both sides to a central tendon

Front 78

Multipennate

Back 78

Several tendons of origin and several tendons of insertion.

Mos common

Front 79

Tenedosis

Back 79

Passive tension of muscles that cross two or more joints

Front 80

Stress-strain curve!/principle

Back 80

Man made or natural have their own specific relationship between stress and strain.