Muscular System

What are four other functions of muscles

besides helping you move?

•Describe three characteristics of skeletal muscle.

Describe three characteristics

of smooth muscle.

•Describe three characteris

tics of cardiac muscle.

What are the thin elements

of muscle fibers and what do they look

like?

What are the thick elements

of muscle fibers and what do they look

like?

What is a neuromuscular

junction and what happens there?

Define the following: Agonist,

antagonist, synergist and

fixator.

Agonist, antagonist, synergist, or fixator, when the arm flexes, what is the bisceps?

What is the origin of a muscle? Is it

attached to moveable or

immoveable bone?Is it the proximal or distal part of

the muscle?

What is the origin of a muscle? Is it

attached to moveable or

immoveable bone?

What is the insertion of a muscle? Is it attached to moveable or

immoveable bone?Is it the proximal or distal part of

the muscle?

Which number is the origin? Which is the

insertion?1

2

Where are the following muscles &

what are their actions?

Pectoralis majorLatissimus dorsi

SternocleidomastoidTrapeziusDiaphragmHamstrings

Gastrocnemius

Which disease of the muscles affects the

receptor sites of the muscle causing

drooping?

Myasthenia gravis, Muscular dystrophy, or fibromyalgia?

Which disease of the muscles causes the

muscles to atrophy & replace them with

fat tissue?Myasthenia gravis, Muscular dystrophy, or fibromyalgia?