Overview Ch.1

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Anatomy = the study of structure

Physiology = the study of function at different levels

can't have one without the other (structure determines function)

Anatomical position acts as reference point for the body

Prone position: lying face down

Supine position: lying face up

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Characteristics of Naming Muscles

Muscle Location

Indicates where the muscle is located in the body (Ex: flexor digitorum superficialis, tibialis anterior/posterior

Muscle Size

Indicates how big or small the muscle is (Ex: gluteus maximus/minimus)

Muscle Shape

Based on what shape the muscle is formed in (Ex: deltoid)

Muscle Origin & Insertion

Muscles are named based on what they are attached to (Ex: Sternocleidomastoid, biceps brachii; has 2 origin sites)

Muscle Action:

Named after what they do (Ex: flexor carpi radialis/ulnaris, adductor magnus

Muscle Fiber Direction:

Named after the direction the muscle runs along (Ex: rectus abdominis)

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Bone Surface Markings

functions

muscle attachment & contraction

joint formation

passageway for blood vessels & nerves