human body muscles study guide anatomy Flashcards
buccinator
retracts angle of mouth, flattens cheek(whistle blowing)
zygomaticus
elevates and abducts upper corners of mouth(smiling)
masseter
elevates and protects mandible involved in chewing
extrinsic tongue
moves tongue
sternocleidomastoid
individually rotates head: together flexes kneck
scalenes
elevates rib
lavator scapulae
elevates, reatracts and rotates scapula
laterally flexes kneck
deltoid
flexes and extends shoulders
abducts and medially and latterally rotates arm
latissimus dorsi
extends shoulder adducts and medially rotates arm
biceps branchii
flexes elbow supinates forearm and flexes shoulder
triceps branchii
extends elbows and shoulder
adducts arm
supinator
supinates forearm and hand
flexi carpi radialis
flexes and abducts wrist
extensor Carpi radialis
extends and abducts wrist
rectus abdominus
flexes vertebral column, compresses abdomin
vastus lateralis
extends knee
biceps femoris
flexes knee latterally
rotates leg and extends hip
extensor digitorum Longus
extends four lateral toes dorsiflexes and everts foot
flexor digitorum longus
extends four lateral toes
plantar flexes and inverts foot
gastrocnemius
plantar flexes foot and leg
what muscles are in the arm
1.biceps branchii (top)
2.triceps branchii(bottom)
what muscles are in the front rib cage area
seratus anterior
what muscles are in the thigh region from top to botttom
rectus femoris
sartorius
vastus medials
what muscles are in the lower leg region
gastronemius
soleus
