Anatomy terms unit 4

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three ways muscle fibers produce ATP

1. creatine phosphate 2. anaerobic glycolysis 3. aerobic respiration

Aponeurosis is shaped like?

A sheet like

low stimulus frequency

Adequate relxation

What kind of tissue is fascia?

Areorlar CT

What is the innervation of scapula muscles?

Brachial plexus

What kind of CT is tendons?

DRCT

What three types of connective tissue?

DRCT,DICT,areolar

What type of tissue is tendons?

Dense regular CT

Where do we get oxygen from?

Diffusion from blood through hemoglobin into muscle fibers and release from myoglobin in sacroplasm

What innervation of facial expression

Facial nerve

What 2 ingredients are in a Anaerobic CR?

Glycolysis- 2 ATP and Pyruvic acid

high stimulation frequency

Inadequate relaxation

Infused tetanus

Inadequate time to reaax

isometric contraction

Muscle contracts but there is no movement, muscle stays the same length

Innervation

Nerve that tells muscle to do its stuff

What is the innervation of the lower limb?

Obturator nerve

Tendons have strength in?

One direction?

Sacrolemma

Plasma membrane

Myrofibrils

Proteins that allow muscle contraction

Tone

Small amount of motor units that don't produce movement

Terminal cisterns

Stores Calcium and is where bulk of Calcium is stored

contraction period

Time where sacromere is shortening

relaxtation period

Time where sacromere is sliding back to normal length

What is the innervation of muscles of the mastifcation?

Trigeminal nerve

transverse tubules

Tunnel that allows ions/electrical current to get to deep parts

Define twitch

a quick cycle of contraction and relaxation

creatine phosphate

acts as an energy reserve in muscle tissue

What is the innervation of upper limb?

brachial plexus

Sacroplasm

cytoplasm of a muscle cell

Recruitment

increase in the number of motor units activated

isotonic eccentric

muscle lengthens

Tendons attach what to what?

muscle to bone

isotonic contraction

muscles contract and shorten

unnaturally high stimulus frequency

no relaxation between stimuli

fused tetanus

no relaxation phase at all

anareobic respiration

requires no oxygen

aerobic respiration

requires oxygen

sacroplasmic reticulum

stores calcium

Endomysium

surrounds each muscle fiber

Epimysium

surrounds entire muscle

Perimysium

surrounds fascicles

Latent period

time between stimulus and contraction


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