Welcome to Dr. Kate Kraus Brilakis' Learning Portal
pronator teres
tensor faciae latae
muscles of anterior torso
trapezius
sternocleidomastoid
pectoralis minor
soleus
muscles on the anterior surface of the body are usually involved in FLEXION
muscles on the posterior surface of the body are usually involved in EXTENSION
muscles on the medial surface of the body are usually involved in ADDUCTION
muscles on the lateral surface of the body are usually involved in ABDUCTION
gluteus maximus
deltoid
rhomboideous minor
tibialis anterior
extensor carpi ulnaris
intercostals
occipitalis
palmaris longus
external oblique
achilles tendon
muscles of posterior torso
muscle to bone...
origin:
the origin of a muscle is the point where it attaches to a bone that remains stable/immobile during the muscle's action. usually a proximal attachment.
insertion:
the insertion is the point where the muscle attaches to a bone that moves during the muscle's action. usually the distal attachment.
movement:
when a muscle contracts, the insertion pulls the bone it's attached to, bringing it closer to the origin.
serratus anterior
pectoralis major
example:
biceps brachii:
the origin is on the scapula
the insertion
is on the radius
when the biceps contracts, it pulls the radius closer to the scapula, causing flexion of the elbow
muscles of the arm
info
in the purple boxes will be on the practical lab quiz.
agonist muscles
work in cordination with one another
fibularis longus
muscles of the hip and posterior thigh
rotator cuff muscles
extensor digitorum
internal oblique
inside of arm
frontalis
gluteus medius
subscapularis
tendon
tough, fibrous connective tissue that connects muscle to bone.
erector spinae
antagonist muscles work against one another
The Muscular System
triceps brachii
quadriceps group:
rectus femoris
vastus medialis
vastus lateralis
orbicularis orisi
buccinator
flexor carpi radialis
latissimus dorsi
zygomaticus
muscles of head/neck
rhomboideous major
infraspinatus
orbicularis oculi
hamstring group:
biceps femoris
semitendinosus
semimembranosus
supraspinatus
biceps brachii
teres major
temporalis
masseter
rectus abdominus
muscles of the lower leg
flexor carpi ulnaris
transverse abdominus
gastrocnemius
muscles of the hip and anterior thigh
sartorius
adductor longus
deltoid
outside of arm
brachioradialis