Human AP 4.2

Raises Eyebrows

whsteling

depresses mandible

muscles that move eye in named direction

depression abduction roatation of the eye

elevation abduction, rotatiof of eye

Chewing, elevates mandible

elevates, retracts madible

elevates tongue

lateral movement of mandible

elevates hyoid, depresses mandible

depresses hyoid

flexes cervical region of certebral column

has evely spaced fascicles attaching to a tendon that is about the same width as the muscle

a muscle that is broad and uniformly taper to a single tendon, triangular muscles usually have a convergent fascicle arrangement

has fibers and fascicles that attach to the tendon at an angle in such a way that the muscle resembles a feather

ex of unipennate muscle

bi pennate ex

ex of multipennat

what muscles tend to be thicker in their belly

attachment point moveable structure

almost all muscles cross at least _____ joint

Longer fibers increas

increase thickness means

synergist that immobilizes the origin

most common type of lever

Depresses tongue

muscles that assist with smiling

flexes vertebral column
also used in urination defacation, exhalation, labor

pulls the lip up

widening and close mouth grinning use the

extend the head and neck

3 groups of muscles in the back

the 3 muscles within the groups

elevates the rib cage, assisting inspiration

depresses the ribs
assisting expiration

pulls the 12th rib inferiorly (forced exhale)

elevates scapula

upward rotation of scapula, adduction of scapula

abducts scapula, rotates scapula downward

abducts scapula, rotates scapula upward

adducts, medially rotates arm at shoulder

extends, adducts medially rotates arm at shoulder (broadest superficial muscle of the back)
draws arm posteriorly

abducts, flexes, medial rotation of arm at shoulder

flexes forearm at elbow

extends forearm at elbow

flexes forearm at elbow

pronates forearm at radioulnar joint

flexes hand at wrist

flex thigh at hip

adducts thigh at hip

flexes leg at knee

extend leg at knee

adduct or flexes thigh at hip

extends thigh at hip

all extend thigh at hip and flex leg at knee

name the hamstrings
all used in walking

dorsiflexes foot at ankle

plantar flexes the foot at ankle

extend the foot at the ankle

flexes toes

abductor digiti minimi

abducts, flexes big toe

flexes big toe

capitis

carpi

neck area

related to fingers/toes

femoris

gluteal

great toe

oculi

oris

pulls away from midline

pulls toward the midline

pulls down

holds erect or straight

increases the angle between bones

decreases the angle between bones

raises a body part

muscle is at an angle

muscle is circular

muscle is straight

muscle is transvers

toward the front

toward the outside

below

between the ribs

toward the inside

towrad the back

deep

nearer the surface

above

two heads

four heads

three heads

brevis

long

wide or large

triangular shaped

wide or broad

largest

small

shaped like a rectangle

shaped like a rhombus

serrated or jagged

shaped like a trapezoid