AH 311 - Muscular System

All content covered

Describe the 5 functions of the muscular system.

movement, posture, body temperature regulation, support of soft tissue, and guarding your entrances and exits

Identify A

Fascia

Identify B

Tendon

Identify C

Bone

Identify D

Myofibril

Identify E

Thin Filaments; Actin

Identify F

Thick Filaments; Myosin

Identify G

Muscle Fiber; Muscle Cell

Identify H

Fascicle

Identify I

Epimysium

Identify J

Perimysium

Identify K

Endomysium

Identify L

Axon of Motor Neuron

Identify M

Blood vessel

Identify N

Fascicle

Identify O

Perimysium

Identify P

Endomysium

Identify Q

Muscle fiber; Muscle cell

Identify R

Nucleus

Identify S

Sarcolemma

Identify T

Sarcoplasmic reticulum

Identify U

Muscle

What are the 3 types of muscles?

Smooth, cardiac, and skeletal

What are the 4 characteristics of muscles?

Contract, relax, excitability, and extensibility

Connects muscles to bones

Tendon

Connects bones to bones

Ligament

Explain Step A

Myosin head splits ATP to become energized

Explain Step B

Myosin head binds to actin

What is it called when the myosin head binds to actin?

Cross bridging

Explain Step C

Myosin head pulls on actin

What is it called when the myosin head pulls on actin?

Power stroke

Explain Step D

ATP bonds to myosin head to release from actin

Identify E

Myosin

Identify F

Actin

Identify G

Myosin head

Identify A

Myofibrils

Identify B

Muscle fiber

Identify C

Fascicle

Identify D

Blood vessel

Identify E

Endomysium

Identify F

Perimysium

Identify G

Epimysium

Identify H

Fascia

Identify I

Bone

Identify J

Tendon

Muscle

my/o, myos/o, muscul/o

paralysis

-plegia

partial paralysis

-paresis

fascia

fasci/o

fibrous tissue

fibr/o

movement

kinesi/o, kines/o

coordination

tax/o

tendon

tendin/o, ten/o, tend/o

tone

ton/o

flesh or muscle

sarc/o