Muscles OIAN Flashcards
Deltoid insertion
Deltoid tuberosity
Deltoid origin
Lat 1/3 clavicle
Acromion
Spine of Scap
Deltoid actions
ABD
EXT , LR - post fibers
FLX , MR - ant fibers
Deltoid nerve
Axillary nerve
Trapezius origin
EOP
Sup. Nuchal lines
Lig. Nuchae
C7-T12
Trapezius insertion
Lat 1/3 clavicle
Acromion
Spine of Scap
Trapezius actions
upper fibers: EXT head FLX head ROT head ELV scap lower fibers: DEP Scap middle fibers: ADD Scap
Trapezius nerve
Cranial nerve XI
Spinal Accessory Nerve
Latissimus Dorsi origin
T7-L5 Thoracolumbar aponeurosis Iliac crest posterior Last 3 or 4 ribs Inf angle Scap
Latissimus Dorsi insertion
(lateral) Crest of Lesser Tubercle
Lats actions
EXT
ADD
MR
Lats nerve
Thoracodorsal nerve
Teres Major origin
Dorsal Inf angle Scap
Lower 1/2 lat border Scap
Teres Major insertion
(Medial) Crest of Lesser tubercle
Teres Major actions
EXT
ADD
MR
Teres Major nerve
Subscapular nerve
Supraspinatus origin
Supraspinous fossa
Supraspinatus insertion
superior Greater tubercle
Supraspinatus action
First 15* ABD
Supraspinatus nerve
Suprascapular nerve
Infraspinatus origin
Infraspinous fossa
Infraspinatus insertion
post sup GT
Infraspinatus action
ABD
EXT
LR
Infraspinatus nerve
Suprascapular nerve
Teres Minor origin
superior 1/2 Axillary (Lateral) Border
Teres Minor insertion
Post inf GT
Teres Minor action
ADD
LR
EXT
Teres Minor nerve
Axillary nerve
Subscapularis origin
Subscapular fossa
Subscapularis insertion
Lesser Tubercle
Subscapularis action
MR
Subscapularis nerve
Subscapular nerve
Rhomboid Major origin
SPs T2-T5
Rhomboid Minor origin
SPs C7-T1
Rhomboid insertion
Medial border (between spine & inf. angle)
Rhomboid action
Down ROT RET ADD ELE (flaring)
Rhomboids nerve
Dorsal Scapular nerve
Levator Scapula origin
TPs C1-C4
Levator Scapula insertion
Superior angle
upper Medial Border
Levator Scapula action
unilateral:
down ROT
ELE
latFLX head/neck
bilateral: EXT head/neck
Levator Scapula nerve
Dorsal Scapular nerve
Serratus Anterior origin
upper 8 or 9 ribs
Serratus Anterior insertion
anterior Medial Border
Serratus Anterior action
PRO
ABD Scap
respiration
(winging)
Serratus Anterior nerve
Long Thoracic nerve
Pectoralis Major origin
Med 1/2 clav
Sternum
Ribs 1-6
Pec Major insertion
lat Crest of GT
Pec Major action
ADD
MR
upper fibers: FLX , MR , hzADD
Lower fibers : EXT , ADD
Pec Major nerve
Pectoral nerves
Pectoralis Minor origin
Ribs 3-5
Pec Minor insertion
Corocoid process
Subclavius insertion
inf med Clavicle
Subclavius action
Draws clavicle down & forward
Elevate 1st rib
Subclavius origin
1st rib & cartilage
Pec Minor action
PRO
DEP
ABD Scap
tilt anteriorly
Pec Minor nerve
Medial pectoral nerve
Subclavius nerve
5th & 6th cervical nerves
Biceps Brachii origin
long head : sup. GT
short head : corocoid process
Biceps Brachii insertion
Radial tuberosity
Brachial aponeurosis
Biceps Brachii action
Supinate FLX elbow (HU) FLX shoulder (GH)
Biceps Brachii nerve
Musculocutaneous
Triceps Brachii origin
long head : inf. GT
medial head : post. distal Humerus
lateral head : post. lat. prox. Humerus
“My muse”
O mother of mine and brother of mine O father, spirit and son of mine, Be with me now. Whole of wisdom and grace, Eternal love its face. Recluse in the thick of self I proffer myself to thee. I thy hands and thou my conscious. Through me, in me, with me, Your work is me. Guide me to be thee. Amen.
“My muse”
O mother of mine and brother of mine O father, spirit and son of mine, Be with me now. Whole of wisdom and grace, Eternal love its face. Recluse in the thick of self I proffer myself to thee. I thy hands and thou my conscious. Through me, in me, with me, Your work is me. Guide me to be thee. Amen.
Triceps Brachii insertion
Olecranon Process
Triceps Brachii action
EXT HU
long head- EXT , ADD GH
Triceps Brachii nerve
Radial nerve
Coracobrachialis origin
Corocoid Process
Coracobrachialis insertion
Medial middle humerus
Coracobrachialis action
FLX , ADD GH
Coracobrachialis nerve
Musculocutaneous nerve
Brachialis origin
Distal 1/2 ant. Humerus
Brachialis insertion
Ulnar tuberosity
Corocoid Process
Brachialis action
FLX HU
Brachialis nerve
Musculotcutaneous nerve
Brachioradialis origin
Lateral supracondylar ridge of Humerus
Brachioradialis insertion
Styloid process of Radius
Brachioradialis action
FLX HU
assist SUP/Pron
Brachioradialis nerve
Radial nerve
Anconeus origin
post surface Lat. Epicondyle
Anconeus insertion
lat Olecranon Process
prox. post. Shaft Ulna
Anconeus action
EXT HU
synergistic to Biceps
Anconeus nerve
Radial nerve
Extensor Carpi Radialis Longus origin
Lateral Supracondylar Ridge
Extensor Carpi Radialis Longus insertion
base 2nd MC
Extensor Carpi Radialis Longus action
EXT wrist
ABD wrist & hand
Extensor Carpi Radialis Longus nerve
Radial nerve
Extensor Carpi Radialis Brevis origin
Lateral Epicondyle
Extensor Carpi Radialis Brevis insertion
base 3rd MC
Extensor Carpi Radialis Brevis action
EXT wrist
ABD wrist & hand
Extensor Carpi Radialis Brevis nerve
Radial nerve
Extensor Digitorum (Communis) origin
Common extensor tendon from lat Epicondyle
Extensor Digitorum (Communis) insertion
MPs & DPs 2-5
Extensor Digitorum (Communis) action
EXT 4 fingers
assist EXT wrist
Extensor Digitorum (Communis) nerve
Radial nerve
Extensor Carpi Ulnaris origin
Common extensor tendon
Extensor Carpi Ulnaris insertion
base 5th MC
Extensor Carpi Ulnaris action
EXT wrist
ADD wrist
Extensor Carpi Ulnaris nerve
Radial nerve
Flexor Carpi Radialis origin
Common flexor tendon from medial Epicondyle
Flexor Carpi Radialis insertion
Base of 2nd & 3rd MCs
Flexor Carpi Radialis action
FLX & ABD wrist
FLX HU
Flexor Carpi Radialis nerve
Median nerve
Palmaris Longus origin
Common flexor tendon
Palmaris Longus insertion
Flexor retinaculum
Palmar aponeurosis
Palmaris Longus action
Tenses palmar fascia
FLX wrist
FLX HU
Palmaris Longus nerve
Median nerve
Flexor Carpi Ulnaris origin
Common flexor tendon
Medial margin Olecranon Process
upper 2/3 post Ulna
Flexor Carpi Ulnaris insertion
Pisiform
Hook of Hamate
base of 5th MC
Flexor Carpi Ulnaris action
FLX & ADD wrist
may FLX HU
Flexor Carpi Ulnaris nerve
Ulnar nerve
Flexor Digitorum Superficialis origin
Common flexor tendon
Coronoid Process
ant. Shaft Radius
Flexor Digitorum Superficialis insertion
4 tendons in sides of MPs 2-5
Flexor Digitorum Superficialis action
FLX Ps2-5
FLX wrist
Flexor Digitorum Superficialis nerve
Median nerve
Flexor Digitorum Profundus origin
ant. & med. Surfaces prox. 3/4 Ulna
Flexor Digitorum Profundus insertion
4 tendons in side of ant. surfaces DPs2-5
Flexor Digitorum Profundus action
FLX DPs
FLX wrist
FLX MCPs
FLX PIPs & DIPs
Flexor Digitorum Profundus nerve
Median & Ulnar nerves
Pronator Teres origin
Medial Epicondyle
Coronoid Process
Pronator Teres insertion
Mid shaft lat. Radius
Pronator Teres action
Pronate forearm
assist FLX HU
Pronator Teres nerve
Median nerve
Pronator Quadratus origin
ant. dist. Shaft Ulna
Pronator Quadratus insertion
ant. Lat. dist. Shaft Radius
Pronator Quadratus action
Pronation
Pronator Quadratus nerve
Median nerve
Supinator origin
Lateral Epicondyle
LCL
Annular ligament
Prox. Shaft Ulna
Supinator insertion
Lat. surface prox. Shaft Radius
Supinator action
Supination
Supinator nerve
Radial nerve
Opponens pollicis origin
Flexor retinaculum
Tubercle of Trapezium
Opponens pollicis insertion
Entire length 1st MC radial side
Opponens pollicis action
Opposition
Opponens pollicis nerve
Median nerve
Adductor Pollicis origin
Capitate
MCs 2-3
Adductor Pollicis insertion
Base prox. Phalanx thumb
Adductor Pollicis action
ADD thumb
Adductor Pollicis nerve
Ulnar nerve
Flexor Pollicis Brevis origin
Flexor retinaculum
Trapezium
MC 1
Flexor Pollicis Brevis insertion
Prox. Phalanx thumb (med/lat heads)
Flexor Pollicis Brevis action
FLX thumb
Flexor Pollicis Brevis nerve
Lateral head- median nerve
Medial head- ulnar nerve
Adductor Pollicis Brevis origin
Scaphoid
Trapezium
Flexor Retinaculum
Adductor Pollicis Brevis insertion
Base prox. Phalanx thumb
Adductor Pollicis Brevis action
ABD thumb
Adductor Pollicis Brevis nerve
Median nerve
Extensor Pollicis Longus origin
Post. Surface Ulna (deep to extensors)
Extensor Pollicis Longus insertion
Base DP 1
Extensor Pollicis Longus action
EXT thumb
Extensor Pollicis Longus nerve
Radial nerve
Abductor Pollicis Longus origin
Post surface radius & ulna (deep to extensors)
Abductor Pollicis Longus insertion
Base of MC 1
Adductor Pollicis Longus action
ABD & EXT thumb
Adductor Pollicis Longus nerve
Radial nerve