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Human Musculature
Muscles need to be know for Aquinas College's Human Biology class
37
Biology
Undergraduate 2
02/11/2015

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Cards

Term
Synergist
Definition
Muscles that work together
Ex. Biceps brachii w/ Bracialis w/ Branchioradialis
Term
Antagonist
Definition
Work opposite
Ex: Rectus abdominis vs. Erector Spinae
Ex: Gluteus medius vs. Adductor longus
Term
Flexion
Definition
Decrease angle
ex: Arm curl in
Term
Extension
Definition
Increase angle
ex: Arm curl out
Term
Abduction
Definition
Take away from the body
ex: making a T with arms
Term
Adduction
Definition
Bring back to the body
ex: Standing at attention
Term
Rotation
Definition
Circular motion
Ex: Hips or Shoulder
Term
Dorsiflexation
Definition
Curling toes up
Term
Planter Flexion
Definition
stand on tip toe
Term
Sternocleidomastroid
Definition
Flex neck and head (look down)
turns head side to side (shake your head no)
Term
Trapezius
Definition
extend head (look up)
elevate shoulder (shrugging)
Term
Rectus abdominis
Definition
Flexes spine (sit up)
compresses abdomen (support/protection of organs)
Term
Eternal & Internal obliques
Definition
Compress abdomen
Rotate trunk (Russian twist, bicycle curl)
Term
Pectoralis major
Definition
Chest
Flexes, adducts humerus (Pull arm across chest)
Term
Serratus anterior
Definition
Boxer muscle
pull scapula away from spine when reaching
Term
Erector spinar
Definition
Muscle group that extends back
keeps erect
deep in body
Term
Deltoid
Definition
Abducts, extends, flexes, rotates hummerus
If you move your arm you use this
Term
Latissimus dorsi
Definition
Extends, adducts humerus
Swimming action
Term
Rotator Cuff Muscles
Definition
4 deep muscles
limit/stabilize movement of humerus
Term
Biceps brachii
Definition
Flexes forearm
Term
Bracialis
Definition
8
flexes forearm,
lateral to bicep
Term
Brachioradialis
Definition
flexes forearm
Term
Triceps brachii
Definition
extends forearm
smaller because its easier to drop something
Term
Extensor digitorum
Definition
Extends fingers (let go of something)
Term
Flexor digitorum
Definition
Flex fingers (make a fist)
Term
Gluteus maximus
Definition
extends thigh
biggest muscle
your butt
Term
Gluteus medius
Definition
abduct thigh
Term
Hamstrings
Definition
extend thigh
flex lower leg
Term
adductor longus
Definition
adduct thigh
Term
Sartorius
Definition
flex thigh and knee ( sitting cross legged)
Term
Quadriceps Femoris
Definition
4
extends lower leg
powerful
Term
Tibialis Anterior
Definition
Dorsiflexes foot
need to stretch this before running
Term
Extensor digitorum (foot)
Definition
extend toes
Term
Gastocnemius
Definition
Planter flexion (Short movement)
attached to Achilles
can see in calf
Term
Soleus
Definition
Planter flexion (prolonged movement)
Term
Achilles
Definition
Calcaneal tendon
Term
Flexor digitorum (foot)
Definition
flex toes
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