Type of Muscle with no striations.
Smooth Muscle
Involuntary and lightly striated muscle
Cardiac muscle
closes lips, kissing
orbicularis oris
extends and abducts head, rotates, and adducts scapula
trapezius
Most superficial, compresses abdominal wall, laterally rotates trunk
External Abdominal Obliques
Decreases a joint angle
Flexion
loose connective tissue that surrounds each muscle fiber
Endomysium
adduct eyebrows
corrugator supercilli
flexes and rotates neck
scalenes
Compresses abdominal wall, flexes vertebral column
Rectus abdominis
Assist primary mover
Synergist
foot/toe movement elevating superiorly
Dorsiflexion
elevates corner of the mouth
zygomaticus major and minor
Freebie Points!
:-)
T/F: Transverse oblique compresses abdominal wall and laterally rotates trunk
False;
Transverse abdominis compresses abdominal wall and laterally rotates trunk
Opposes primary mover
Antagonist
List All 4 Functional Muscle Groups
Primary mover, synergist, antagonist, fixator
compresses cheek, blowing trumpet
buccinator
abducts, rotates, and flexes head
sternocleidomastoid
Muscle responsible for the intake of oxygen
External Intercostal
Prevent motion in a joint
Fixator
List all 5 Universal Properties of Muscle
Excitability, Conductivity, Contractility, Extensibility, Elasticity
Facial Expression is which Cranial Nerve?
CN VII
T/F:
Latissimus dorsius extends, adducts & medial rotates arm, draws shoulder inferiorly
False;
Latissimus dorsi extends, adducts & medial rotates arm, draws shoulder inferiorly
Eye Muscles correlated with Cranial Nerve III
medial rectus, superior rectus, inferior rectus, inferior oblique