Muscles (FINAL REVIEW) Flashcards
all FACIAL muscles are innervated by which nerve?
cranial nerve (CN VII) - FACIAL nerve
all MASTICATION muscles are innervated by which nerve?
cranial nerve (CN V) - TRIGEMINAL nerve
all TONGUE muscles are innervated by which nerve?
cranial nerve (CN XII) - HYPOGLOSSAL nerve
the STERNOCLEIDOMASTOID & TRAPEZIUS muscles are innervated by which nerve?
cranial nerve (CN XI) - ACCESSORY nerve
how many FACIAL muscles do we have?
16
how many MASTICATION muscles?
3
how many TONGUE muscles?
3
what are our FACIAL muscles? (*16)
- occipitofrontalis
- corrugator supercilia
- procerus
- orbicularis oculi
- zygomaticus major/minor
- orbicularis oris
- levator anguli oris
- depressor anguli oris
- risorius
- levator labii superioris
- depressor labii inferioris
- nasalis
- mentalis
- *buccinator - helps with mastication
- platysma
what are our MASTICATION muscles?
- temporalis
- masseter
- medial/lateral pterygoids
what are our TONGUE muscles?
- genioglossus
- hyoglossus
- styloglossus
all FOREARM FLEXORS [ANTERIOR] are innervated by what nerve?
the MEDIAN NERVE
*EXCEPTION: flexor carpi ulnaris - ULNAR NERVE
all FOREARM EXTENSORS [POSTERIOR] are innervated by which nerve?
- the RADIAL nerve
the BRACHIALIS, BICEPS BRACHII, and CORACOBRACHIALIS are innervated by which nerve?
the MUSCULOCUTANEOUS NERVE
the TRICEPS BRACHII is innervated by which nerve?
RADIAL NERVE
what are our FOREARM FLEXOR muscles (*8)
- pronator teres
- flexor carpi radialis
- palmaris longus
- flexor carpi longus
- flexor carpi ulnaris
- flexor digitorum profundus
- flexor pollicis longus
- pronator quadratus
what are our FOREARM EXTENSOR muscles (*11)?
- brachioradialis
- extensor carpi radialis longus - brevis
- extensor digitorium
- extensor digiti minimi
- extensor carpi ulnaris
- anconeus
- supinator
- extensor carpi ulnaris
- extensor pollicis brevis - longus
- extensor indicis
- abductor pollicis longus
what are the ROTATOR CUFF muscle functions?
- help act as SYNERGISTS & FIXTATORS
- ORIGIN: scapula
- reinforces the SHOULDER CAPSULE & helps PREVENT DISLOCATION
what are our ROTATOR CUFF muscles?
- supraspinatus
- infraspinatus
- teres minor *remember not the TERES MAJOR
- subscapularis
all THIGH FLEXOR [ANTERIOR] muscles are innervated by which nerve?
the FEMORAL nerve
all THIGH EXTENSOR [POSTERIOR] muscles are innervated by which nerve?
SCIATIC nerve
all our GLUTE (GLUTEUS MAXIMUS, MEDIUS, & MINIMUS) muscles are innervated by which nerve?
GLUTEAL NERVE
what are our THIGH FLEXOR (7*) muscles?
- Iliopsoas (1)
- quadriceps femoris (4) *QUADRICEP MUSCLES
- rectus femoris
- vastus lateralis
- sartorius (1)
- pectineus (1)
what are our THIGH EXTENSOR (*3) muscles?
known as our HAMSTRING MUSCLES
- biceps femoris
- semitendinosus
- semimembranosus
how many cranial nerves do we have?
12
order of cranial nerves
- CN I: Olfactory
- CN II: Optic
- CN III: Oculomotor
- CN IV: Trochlear
- CN V: Trigeminal
- CN VII: Abducens
- CN VIII: Facial
- CN IX: Vestibucochlear
- CN X: Glossopharnygeal
- CN XI: Accessory
- CN XII: Hypoglossal
olfactory nerve
FUNCTION: smell
S/M: SENSORY
optic nerve
FUNCTION: vision
S/M: SENSORY
oculomotor nerve
FUNCTION: eye movement & pupil reflex
S/M: MOTOR
trochlear nerve
- FUNCTION: eye movement
- S/M: MOTOR
trigeminal nerve
- FUNCTION: feeling/mastication
- S/M: BOTH
abducens nerve
- FUNCTION: movement of lateral rectus (eye muscle)
- S/M: MOTOR
facial nerve
- FUNCTION: facial expression, tears, taste, nasal/salivary glands
- S/M: BOTH
vestibulocochlear nerve
- FUNCTION: hearing & balance
- S/M: BOTH
glossopharyngeal nerve
- FUNCTION: tongue movement, taste, & swallow
- S/M: BOTH
Accessory nerve
- FUNCTION: muscular movement
- S/M: MOTOR
hypoglossal nerve
- FUNCTION: tongue movement
- S/M: MOTOR
vagus nerve
- FUNCTION: heart rate, breathing, GI activity
- S/M: BOTH
