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NAME
Frontalis
Sheet Music
Muscles of the Upper Limb
1
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of 16
ORIGIN
INSERTION
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ACTION
NERVE
gale galeaa apon aponeu euro roti tica ca
skin skin of eyeb eyebro rows ws and and root of nose
• raises the eyebrows • wrinkles the forehead horizontally
Facial
arch of frontal bone above nasal bone
skin skin of eyeb eyebro row w
• draw drawss eyeb eyebro rows ws media ediall lly y and inferiorly • wrinkles the forehead vertically (frowning)
Facial
tendinous band around optic foramen (near annular ring)
upper eyelid
• raises eyelids
Oculomotor
frontal and mazillary bones and ligaments around orbit
tissue of eyelid
• blinking Facial Sign up to vote on this title • squinting Not useful • draws eyebrowsUseful inferiorly
Corrugator supercilii S N O I S S E R P X
E
Levator palpebrae superioris
E
E Y
Orbicularis oculi
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NAME
Levator labii superioris
Sheet Music
Muscles of the Upper Limb
1
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Zygomaticus minor
of 16
ORIGIN
INSERTION
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ACTION
NERVE
zygomatic bone & skin & muscle of upinfraorbital margin of per lip maxilla
• raises & furrows the upper lip
Facial
zygomatic bone
skin & muscle @ corner of mouth
• raises lateral corners of mouth (smiling)
Facial
zygomatic bone
skin & muscle @ corner of mouth
• raises lateral corners of mouth (smiling)
Facial
Zygomaticus major
Risorius
lateral facia assoc. with masseter muscle
skin @ angle of mouth
• draws corner of lip later- Facial ally • tense of lips Sign up to vote on this title • synergist of zygomaticus
molar region of maxilla and mandible
orbic ul ularis oris
• draws c or orner of mouth laterally • compresses cheek (suck-
Buccinator S R
Useful
Not useful
Facial
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NAME
Sheet Music
Muscles of the Upper Limb
1
Masseter
Origin, insertion, action, and photo of location labeled
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of 16
ORIGIN
INSERTION
M E L B I D N A
M
Medial pterygoid
ACTION
• prime mover of jaw closure • elevates mandible
Trigeminal
temporal fo fossa
coronoid pr process of of mandible
• closes jaw • elevates & retracts mandible • synergist of pterygoids • maintains position of mandible at rest
Trigeminal
medial surface of lateral pterygoid plate of sphenoid bone, maxilla & palatine bone
medial surface of mandible near its angle
•synergist of temporalis & Trigeminal masseter in elevation of the mandible Sign up to vote on this title • act with lateral pterygoid muscle to protrude Useful Not useful mandible of to promote side-to-side movements (grinding)
NERVE
angle & ramus of mandible
S R E V O
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zygomatic arch and maxilla
Temporalis
Six+Point+Chiropractic+Manipulative+Re Muscle Testing Ss Class
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NAME
Digastric
Sheet Music
Stylohyoid
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ORIGIN
INSERTION
lower margin of mandible (anterior belly) & mastoid process of the temporal bone (posterior belly)
by a connective tissue loop to hyoid bone
• acting in concert, elevate hyoid bone & steady it during swallowing & speech • acting from behind, open mouth & depress mandible
styloid process of temporal bone
hyoid bone
• elevates & retracts hyoid Facial -> elongate floor of mouth during swallowing
medial surface of mandible
hyoid bone & medial raphe
• elevates hyoid bone & Mandibular Sign up to vote on this title floor of mouth, enabling branch of tritongue to exert Useful backward geminal Not useful & upward pressure for swallowing
ACTION
NERVE
Mandibular branch of trigeminal (anterior belly) Facial (posterior belly)
Mylohyoid
S E
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NAME
Sternocleidomastoid
Sheet Music
Splenius (capitis)
S R
Muscles of the Upper Limb
1
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ORIGIN
INSERTION
manubrium of stermastoid process of num & medial portion temporal bone & of clavicle superior nuchal line of occipital bone
ligamentum nuchae, spinous process of vertebrae C7-T6
mastoid process of temporal bone & occipital bone (capitis)
Six+Point+Chiropractic+Manipulative+Re Muscle Testing Ss Class
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ACTION
• prime mover of active head flexion (when act together) • rotates head toward opposite side (when act singularly
NERVE
Accesory nerve
• extend or hyperextend Cervical spinal Sign up to vote on this title head when act together nerves (dorsal • rotate and bend head latrami)Not useful Useful erally toward same side when act on one side
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NAME
Erector spinae Iliocostalis
Sheet Music
Muscles of the Upper Limb
1
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ʰ"
Erector spinae Longissimus
of 16
ORIGIN
INSERTION
ACTION
transverse process of lumbar through cervical vertebrae
transverse process of thoracic or cervical vertebrae and to ribs superior to origin; mastoid process for capitis
Erector spinae Spinalis
spines of upper lumbat & lower thoracic
spines of upper thoracic & cervical
Spinal nerves (dorsal rami)
• thoracis & cervicis act to- Spinal nerves gether to extend vertebral (dorsal rami) column • act on one side, bend it laterally • capitis extends heads and turns the face toward Sign up to vote on this title same side
NERVE
angle of ribs (luborum • extend vertebral column, & thoracis) maintain posture cervical vertebrae C6- • bend vertebral column to C4 (cervicis) same side when act on one side
S R E D N E T X
O S R
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iliac crests (luborum) inferior 6 ribs (thoracis) ribs 3-6 (cervicis)
ʰ#
E
Six+Point+Chiropractic+Manipulative+Re Muscle Testing Ss Class
Useful
• extend extendss verteb vertebral ral colu column mn
Not useful
Spinal Spinal nerv nerves es (dorsal rami)
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NAME
Sheet Music
Muscles of the Upper Limb
1
External intercostals
Origin, insertion, action, and photo of location labeled
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ORIGIN
INSERTION
S E L C S U
M G N I H T A E R
B
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ACTION
superior border of rib below
• elevate rib cage, aids in inspiration • synergist of diaphragm
superior border of rib below
inferior border (costal groove) of rib above
• depress rib cage, aid in Intercostal forced expiration • antagonist of external intercostals Sign up to vote on this title
NERVE
inferior border of rib above
Internal intercostals
Six+Point+Chiropractic+Manipulative+Re Muscle Testing Ss Class
Useful
Intercostal
Not useful
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NAME
Rectus Abdominis
Sheet Music
Muscles of the Upper Limb
1
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of 16
ORIGIN
External oblique
INSERTION
outer surface of lower 8 ribs
linea alba via aponeurosis
• when together, synergist Intercostals to rectus abdominis, flex vertebral column & com press abdominal wall • when alone, synergist to muscles of back, roate & Sign up to vote on this title lateral flexion of trunk
Internal oblique
NERVE
• flex & rotate lumbar region of vertebral column • fix & depress ribs • stabilize pelvis during walking • increase intra-abdominal pressure
L A N I M O D B
A
ACTION
xyphoid process & costal cartilages of ribs 5-7
M
lumbar fascia, iliac crest, & inguinal ligament
linea alba, pubic crest, last 3 or 4 ribs, & costal margin
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pubic crest & symphysis
S E L C S U
Six+Point+Chiropractic+Manipulative+Re Muscle Testing Ss Class
Useful
• same same as exte externa rnall obli oblique que
Intercostals
Not useful
Interco Intercostal stalss
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NAME
Sheet Music
Muscles of the Upper Limb
1
Pectoralis minor
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of 16
ORIGIN
INSERTION
Search document
ACTION
NERVE
anterior surface of ribs 3-5 (or 2-4)
coracoid process of scapula
• draws scapula forward & downward (ribs fixed) • draws rib cage superiorly (scaupla fixed)
Both pectoral nerves
costal cartilage of rib 1
groove on inferior surface of clavicle
• stablizes & depresses pectoral girdle
Nerve to subclavius
by series of muscle slips from ribs 1-9
anterior surface of vertebral border of scapula
• agonist to protract & hold Long thoracic scapula against rib cage nerve • rotates scapula (inferior angle laterally & upward) Sign • abduct & raise armup & to vote on this title horizontal arm moveUseful Not useful ments
Subclavius
Six+Point+Chiropractic+Manipulative+Re Muscle Testing Ss Class
Serratus anterior (boxer’s muscle)
Trapezius S
occipital bone, ligamentum nuchae,
spine & acromion of • stablizes, raises, retracts scapula, lateral 3rd of & rotates scapula
Accesory nerve
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NAME
Pectoralis major
Sheet Music
Latissimus dorsi
Deltoid
ORIGIN
of 16
INSERTION
Six+Point+Chiropractic+Manipulative+Re Muscle Testing Ss Class
ACTION
NERVE
sternal end of claviby a short tendon into cle, sternum, cartilage intertubercular groove of ribs 1-6, & apoof humerus neurosis of external oblique muscle
• agonist of arm flexion • rotates arm medially • adducts arm against resistance • pulls rib cage upward with scapula fixed
Lateral & medial pectoral nerves
via lumbodorsal floor of intertubercufascia into spines of lar groove of humerus T7-L5, lower 4 ribs & iliac crest
• agonist of arm extension • powerful arm adductor • medially rotates arm & shoulder • depresses scapula • pulls body upward & forward with arms fixed overhead
Thoracodorsal
lateral 3rd of clavicle, acromion & spine of scapula
• agonist of arm abduction with all fi- Axillary nerve bers, antagonist of pectoralis major Sign up to vote on this title & latissimus dorsi Useful Not useful • flexes & medially rotates humerus with anterior fibers, synergist of pectoralis major • extends & laterally rotates arms with
deltoid tuberosity of humerus
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NAME
Biceps brachii
Origin, insertion, action, and photo of location labeled Muscles of the Upper Limb
1
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Sheet Music
Brachialis
ORIGIN
of 16
INSERTION
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ACTION
NERVE
long head (65-1): tuber- by common tendon to cle above glenoid cav- radial tuberosity ity and lip of glenoid cavity of scapula short head: (65-2): coracoid process of scapula
• flexes elbor joint & supinates forearm (usually at the same time) • weak flexor of arm @ shoulder
Musculocutaneous nerve
fron frontt of dis dista tall hume humeru russ
• major forearm flexor, synergist with biceps brachii
Musculocutaneous nerve
coro corono noid id pro proce cess ss of of ulna
ʰ ʰ ʰ
Brachioradialis S R E V O
M M R A E
lateral supracondylar ridge @ distal end of humerus
base of styloid process of radius
• synergist in forearm flexion, best Radial nerve when forearm is partially Sign flexed up to vote on this title • stablizes the elbow during rapid Useful Not useful flexion & extension
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NAME
Flexor carpi radialis
Sheet Music
ORIGIN
of 16
INSERTION
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ACTION
NERVE
medial epicondyle of humerus
base of 2nd & 3rd • powerful flexor of wrist metacarpals (anterior) • abducts the hand • weak syngergist of elbow flexion
Median nerve
medial epicondyle of humerus
palmar aponeurosis, skin & fascia of palm
• weak wrist flexor • weak synergist of elbow flexion • tenses skin of palm during hand movements
Median nerve
medial epicondyle of humerus, olecranon process & posterior surface of ulna
pisiform & hamate bones & base of 5th metacarpal (anterior)
• powerful flexor of writs • adducts hand with extensor carpi ulnaris • stablized wrist during finger extension
Ulnar nerve
• extends wrist with extensor carpi Useful ulnaris • abducts write with flexor carpi radialis
Not useful
S R O X E L
F
Palmaris longus
T S I R
W Flexor carpi ulnaris
S R O S N E T X
E
Extensor carpi radialis longus
lateral supracondylar ridge of humerus
base of 2nd metacarpal (posterior)
lateral epicondyle of
base of 5th metacar-
Extensor carpis
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d & dd
i
Radial nerve
D
b
h f
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NAME
Satorius
Sheet Music
ORIGIN
of 16
INSERTION
Iliopsoas Psoas major
Pectineus
Adductor magnus
NERVE
• flexes, abducts & laterally rotates the thigh • flexes knee (weak)
iliac fossa & crest, lateral sacrum
lesser trochanter of femur
• prime mover of thigh flexion Femoral nerve • lateral flexion of vertebral column (psoas)
transverse processes of lesser trochanter of L1-L5, bodies & discs of femur T12-L5 pecti pectine neal al lin linee of of pub pubis is
Gracilis
ACTION
medial aspect of proximal tibia
infe inferi rior or from from less lesser er trochanter to linea aspera
Femoral nerve
Ventral nerve
• adducts, flexes & medially rotates thigh
Femoral & obturator nerve
Sign up to vote on this title
inferior ramus & body of medial surface of tibi- • adducts thigh Useful pubis, ischial ramus al shaft just inferior to • flexes & medially rotates leg medial condyle (when walking)
Not useful
ischial & pubic rami,
Obturator nerve
linea aspera & adduc-
Search document
anterior superior iliac spine
Iliopsoas Iliacus
Six+Point+Chiropractic+Manipulative+Re Muscle Testing Ss Class
• adducts & medially rotates thigh
Obturator nerve
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NAME
Biceps femoris
Sheet Music
Semitendinosus S G N I R T S M A
H
ORIGIN
of 16
INSERTION
Search document
ACTION
by common tendon into head of fibula & lateral condyle of tibia
• extends thigh & flexes knee • laterally rotates leg when knee is flexed
Sciatic nerve
iscial tuberosity
medial aspect of upper tibial shaft
• extends thigh & flexes knee • medially rotates leg with semimembranosus
Sciatic nerve
ischial tuberosity
medial condyle of tibia
• extends thigh & flexes knee • medially rotates leg
Sciatic nerve
Sign up to vote on this title
Popliteus
latera laterall condyle condyle of of femur femur
proxim proximal al tibia tibia (post (posteerior surface)
NERVE
long head (a): ischial tuberosity short head (b): linea aspera & distal femur
Semimembranosus
Six+Point+Chiropractic+Manipulative+Re Muscle Testing Ss Class
Useful
• unlocks knee by flexes & rotates leg medially
Not useful Tibial nerve
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NAME
Tibialis anterior
Sheet Music
Fibularis longus
ORIGIN
of 16
INSERTION
Six+Point+Chiropractic+Manipulative+Re Muscle Testing Ss Class
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ACTION
NERVE
lateral condyle & upper 2/3 of tibial shaft, interosseous membrane
by tendon into inferior surface of medial cuneiform & 1st metatarsal
• prime mover of dorsiflexion • inverts foot • assist in supporting medial longitudinal arch
Deep fibular nerve
head & upper portion of lateral fibula
by long tendon underfoot into 1st metatarsal & medial cuneiform
• plantar flexes & everts foot • may help keep foot flat on ground
Superficial fibular nerve
Sign up to vote on this title Fibularis brevis
distal fib fibula sh shaft
by te tendon behind lateral malleolus into base of 5th metatarsal
Useful
• plan planta tarr flexes exes & ever everts ts foot foot
Not useful Supe Superfi rfici cial al fibufibular nerve
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NAME
Extensor hallucis longus
ORIGIN
of 16
INSERTION
Six+Point+Chiropractic+Manipulative+Re Muscle Testing Ss Class
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ACTION
NERVE
anteromedial fibula shaft & interosseous membrane
distal phalanx of big toe
• extends big toe • dorsiflexes foot
Deep fibular nerve
lateral condyle of tibia, proximal 3/4 of fibula, interosseous membrane
middle & distal phalanges of toes 2-5 via extensor expansion
• prime mover of toe extension Deep fibular (mainly @ metatarsal joints) nerve • dorsiflexes foot (with tibialis anSign longus) up to vote on this title terior & extensor hallucis
Extensor digitorum longus
Useful
Not useful
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