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General Myology

The study of muscles

QuestionAnswer
what are the three different types of muscle cardiac, smooth and skeletal
what are the three different morphologies of muscle short, long, flat
describe a cardiac muscle involuntary movement, controlled by the sympathetic and parasympathetic nervous system. has its' own pacemaker
describe a smooth muscle involuntary movement, controlled by the sympathetic and parasympathetic nervous system.
describe a skeletal muscle voluntary movement, surrounds bones
describe a short muscle orbicular in shape.sphincter muscles.
describe a long muscle has a muscle belly and both ends (1) a head (2) a tail.
what are the different styles of a long muscle pennate, unipennate, multipennate, digastic
describe a flat muscle membranous appearance, comes from a short tendon. found beneath the skin or in cavities.
what would a pennate long muscle look like it would have fleshy bundles that are attached to either side of the tendon, looks like a feather type muscle.
what a unipennate long muscle look like has a single fleshy bundle
a diagastic long muscle two successive fleshy bodies separated by an intergastric tendon
a multipennate long muscle has many different muscle bodies
explain what the origin of a muscle is it is the proximal, less motile end of the muscle
explain the insertion of a muscle it is the more distal part of the muscle and has quite motile
"Muscle Action" when the muscle contracts and brings the origin and insertion points together.
describe the different muscle actions extensor, flexor, abductor, adductor, supernator, pronator, rotator, dilator, tensor, depressor, elevator
what is a "bursa"
describe the different layers of a muscle muscle belly --> fasicle --> fibres --> myofibrils
Myofibrils contain what they contain myofilaments which can be either action filaments (thin) or myosin filaments (thick)
Created by: epell5