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The Ultimate Muscle Atlas: A summary of all body muscles, Study notes of Medicine

A complete summary of human muscles including the origin, insertion, nerve supply and action of the muscles.

Typology: Study notes

2020/2021

Available from 04/10/2025

shrutika-waghmare
shrutika-waghmare 🇮🇳

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MUSCLES oF ANTERTOR COMPARTMENT of ARM Muscle || ORTGIN | INseatron |werve s. | AcTION || ip of coraroid |» The middle Wusulo- |e Flexes the ) CORA CO - Nracess th short is cin_of medial ict anenus | arm at. BRACHTALS head of hiceps border of eso Should ex joint . brachii thume2y (ce -¢9) | | | @ Byceps * Tt has two heads © Pasteriae Musaile - This strong BRA CHIL of Oxi in Aroudh Part of Cudaneous Supinato® colnen + Sho»t head - radial tuberosity pifes, Ce foxeanm i flexed, Qrise swith Tendon sepazated 1. Ttis flexor of foracobsachialis tzom anterins part elbow from tip of coracoid of tuberosity by eshoxt head is Process bursa flexns of azm long head — e Tendon gives otf + Long head prevent fzom -suptaglensidan extension cfas upward displace - | Huhercle pe scapula bitipital aponeu= ment of head le from glenaid Lxasis tohich extends of humerus lahyum The tendon 4o ulna & scparate + Tt con he tested is intracapsular median cubital vein against sesistance. fxom brachial) artery, @) BRACHIALIS||* Lomer half of ¢ Coronoid o Mucgeyin. « Flexe Front of humests perocess & ulnar tutanenis Forearm at y clu dine, both antero- duherosity N. is Motor elhou daint edial £anterolateral e Rough surface Lanterios anterion Surface? Radial bax des “of coxonoid N. Is Superiory oxigin __pracess of Peonrio - Pmhraces insextion | ulna coptive. of deltoid. ® Medial & latexa) | | intexmuscula? septa | i —al Scanned with CamScanner test MUSCLES oF ARM ( PosTERIOR Aspect) ————__}_________ TRICEPS 8RACHIT NERVE So ORIGIN INSERTION ACTION Fath head lle long head e Long & lateral head + Powerful = infraglennid = Converge ‘to fosm Active extensor se Parate tubercle of Supes ficial flattened of €lbow ch fecoll Porapua] tendon = inserted tote a) Nesve Dosterion Past of * Long head Cs) * lateral head Super 2 uaice of suppasts head = Ohlia ye tidge on [oeceAnow PRoces J of humesits Lipper part of in abducted Dosterias susface © Medial head is Position ot of Hum enus] partly \Oserted tn asm Superficial tendon £ ¢ Media) head pa tly inte olecsanon = large teicngulas oreq on pastering e Medial hend - surface of faymegus] Separated from below radia) granule Capsule of elhom joint as well as fram hy sme}! bubsc 1 medial & lateral Few fihtes inserted interymuscila> septa. into this past cf - At level of radial Capsule g&oaye the, medial Prevents nipping of head is medial tn Capsule duzing Jatera) head extension of asm These Hhse. ase calted ARTICUWNARTS CURTTT OR SUBANCONELS Scanned with CamScanner | _DEEP_ Muscles of FORE ARIA MUSCLES ORIGIN | INSERTION | NERVE S. ACTION ® Flexor =Upnep 3/,4h of Palmar | Medial hall -Elexom of — Digitowum |Antenion ¢ medial Sunface of by VINA i. distal phalanges Produndus || Siiofaces the base_of —latencai half -Flewes other Shafi of ulna | distal by Ani¢niom deints of digits, | = Upper J. 4h of phalana | iniewmoseus fingens £ Postenion bodes nepye f tonist I Media) Surfe -chief anippin edial Sif cr ces Deep beach chitt ii pping Of Olecranen muse } : ; of median Process 2 Cornnnd a eYrov Posess [UIA @ Eleven || - om 3/44 uiface Anicnion -Flexes Pallicis cnienion of [Distal iniezoseus distal phalann longus surface of shat t Phalanx of Neve of thumb [ke cits’) Thumb"| Q) Pronctor || Oblique jai icial Antenion 6 Supenficicl Quadratus Ho Inner Vth fibres Injermosens fibnes —____llantevaiorn dower Vy, of —nereve - PRonate Sufrce Shalt Anterian surface forearm of [uinoa’yl 4 Ani honder | F Radius’) = bind Jomen 0 Deen fibres end_ of Padius \=‘Triangular _£ ulna crea beve luhap notch Scanned with CamScanner SUPERFICIAL MUSCLES OF BACK OF FOREARM Muscles ® Anconeus. ORIGIN INSERTION weeve s. | ACTION HEN | CTNSERT LON : Later epicondyl Lotemal_sunface, (adil _i-Eatends_— _ Humepus ___ olecpanon. neve — 1 elbow deint— i —_____-prace ss ULNA _ ® Brachiana- Upper 2/44 Base of stytoid fadial _Flexes forearm dialis Joienal supnda- process nepye at elbow taint . —lcondylare ridge _RADTUS Humerus | 3) Extensor owen Yerd Posteniae surface Radial Catends & conpi_padialis|ateral supra= of base of 2 nd neve abduets hand Longus Londylar ridge metacarpal od_tonist Joint. _Humenus @ fattenson _|Voteral epicondyle Pasienion surface Deep bnanch Extends & Corp padiculis || Hurnerus ol_base of 3P4 ch adiat abduct hand brevis rociacanpal Nep ve at wrist Joint . @ Futenson || Lateral epicon. Base af middle Deep bmand, Extends ingens Digittamurn || Hunnerouis phalanges ol madial no of Nand (94 - 50h) © Cxdensor || { ntenal epicondyle Extensor expan-Deep hank Extends meta Digit_mininni_ Humerus Sion [TTILE ot madial Carepo - Phatahged FINGER _ nerve Joint of Ube finger. (a) Fitdensor Latemal ¢picond Bas dh ep branck Carapi_ulnanis |_Humenus __Medacarpat ol @arhal adduct hand PIN “at wrist vaint. 4 . WN. _™. Scanned with CamScanner | ua MUSCLES OF HAND MUSCLES 0 RIGIN INSERTION NERVE ss. ACTION Lumbsicalg syst lateral side of tendon Lumbeicals ghd) OF flexor digitorum e firs} & second | # Flex metacaxpo-" laderal wo phalangeal Joints | Nia extensor expansion into Scanned with CamScanner | A o iser| TRESS B= lage doxzsum oF bases by median Nn. extends ise d > ° saan «Wee ‘ees Sine al SAME of distal phalanges. © Thiad & Fourth interphalan eal digitexum iis oe OF BAP ait . : by deep branch Joints of “s sth # 3% Adjacent sides of . wzofundus | of ulnat nerve. d we nae Same tendons of 3%*d & igits. qth digits. * ath Adjacent sides of same tendons of yth & 5th digits. , : : * Medial side of base Deep heanch ® Palma intezossel pao: ; * \st medial side of base of ‘oxi \ phalanx u x je adduct} fingers Interossel 1S) metacaxpal . of proximal P of ulmas newe , m cal : of thumb o% 13? digit towards centre Palmae (2) e nf oN Medial side of aP¢ metaat via extensoz expansion of 34d digit on 4 °3*4 Lateral side of ath weneat INO doxsum of ae middle finger. | 4} ‘i i ; af distal phalanges o * uth Lateral side of 5th meta. ard uthe sth digts- Darsal e438 Adjacent sides of 184 2 oP4 ‘ i | Elena) peheaide. J Nia extensor expansion Deep branch * Dorsal intexessel Lith wbdlircas + ei £ into dossum of of ulnae nerve labduct fingers fem Dorsal (a) eatd psjacent side of de 3td ety. oF ulna Néeeve = band dtet SSN G) Jaen - bases of distal Cenixe of 3% digit. 0 3%4 pdiacent side of & ut Matonaex cf ond aad Both palmat & do sal meres praiang s . imfeossel FLEX Mmeta- | he sgth 3t2e Uth digits . caxpophas angead Joint AM gute atdeat Ene 4 Addacent side ot “4 5 & extend interphalangeal wv etacaipals. woe ne t Joints - t a WIRMPW UES sung “aug podxvov,aW “uayod up Buriddnos Ne bay yu $0 29pyOq LPI MY SO praDmyd} IARWU “rabury anny 50 xuoypud ‘Buns RUIN Fo \PW\xo7wd yo asoge SA Sexa\J e Wwuvsqg dar rabuiy a\Hetl $0 yuyoud ~ rabury jpLuixoxd 40 asvg ¢| Blee!| SEONPAY « ~ uayod ONIN “yo divB anoaduut Foun fo YrUupAq OL UMS SapULa yepypaadns “OPIS [orpau uo wid 40 unis e Jpsnur sub Ul Spua “Joadso jorpaus s4t Wye N Ul fo uo qunyp go xuvjpyd uruvxq doa¢ [Purxox Jo ds0g « “Quandt $o UO? npply e upd SSOAID PROMHO Ayorpaus Guunyt Siibd e ‘quinut 40 auog podzoI04a Ww 40 FYOYS JO BIDJ7nS 3Nz vipaw anzu UDiP youryod 49 4\oYy Yo%+d7 ¢ rah, — wusutw 1b1p 4 LUNI NI DULLIy Woxais « pre Sua uoddo 7 ww Wun{m pUYa” woXald © zahvI HIBip xoxalg - pst {Ulla tb ip DUNG UVOL ISL, © Yonpdy — 22 U2UILLg 2DU -surodh fo sapsnw S1inexq SRouujpg — wid fo opis ripe Jo aizenW Wn bultay Woxalfe ‘yodzp20 4a pre O F4DYS 7 POIY aSIASUDX] © J WPY ane A snimed SPOXOIVTIM p2-€ *2hD| pet Zopnppy — -put $9 Sasvg ; pooy anbiqge Gunyl yo yopnppy xa fro} WA\MOULY woxa\J ¢ px Ss iad SuaucddQ — - qQuinut : -sauog apohido? y plozadoay Sikexq yo fue Ipabuvyoyd 5.02, uD paw quant 4° xunleyd Tiree xoxa|de Siojod xox alg — -OdzpI Vlas Saxaide {pusixowd yo 2509 7 sant sinaxq “Aue Sau UIP IW -quunyp yo xubjpyd WM(MPULaR woxayy ‘wunwaderd IST Lsoyed volnpay - go uotonpgy, [pwixord 4o asog« NOTLIY 3nyan NolLsujgonr aNVH . | ‘ploudwss jo apraqnt. | aoubuUlWDd ADUIYE Jo Sa SN NI LYO S31IDSaAW JO S31DSAW > Scanned with CamScanner | SCAPULAR REGION r -MUuscLe ORLOIN | trasentrom | WeRve S.| Acton e Ant border & _« Deltoid Axillary |* Multipennade 1 T T DELTOID adioining suzface | tuberosity of nerve Lacromial Fibre are of lateral Yard | humeus (C516) | Powaful abductors of clavicle - Whee 3 Sepia. lof arm at shoude of lew inseztion | Goint from beginning * Lateal — are attached. | | $0 90% Bi Actoaity wha le Anterion fibres aze 4 Septa of origin, flexors & medial axe attached. | | Rotators of cam * Lower lip of The [° Post. Tibes are Crest of spine of jextensons & lalera) Scapula. |notajons of arm. | | 1 Scanned with CamScanner MUSCLES CONNECTING, UPPER LIMB TO VERTEBRAL COLUMN _Musde | ___0 _ Ensetion | Newe Supply 5 e cera * Upper fibdaes -posterion | * Spina] part of | pun \° Exteenal occipital | bender of lateral yi4 of | ACCESS ONY NeXVE is} | protuberance. | — . | Motor | _ |e Ligamentum nuchae * Middle fibzes — medial margin a © Ca Spine of acromion 2 Uppez hip of & Branches trom { © T, - Ty) Spines {crest of spine of Seapula. Ca, Sy Wwe |* Corresponding Supaaspi- * Lower Fibres - on apex of proprioceptive. 3 nous Ligaments. talangulax dzea at medial end of Spine with bursa ; @ intervening - 2 , ATLSSIMuS * Posterior Yard of outer — Action — * Upper fibre act with levator, - Scapulae, & elevate scapula, Q8 in Shaugging . e Middle fibre act with rhomboid & Aetaact ane scapula. \ © Upper £ lower Ff. act with | Serrats ant, & rotate scapula forwards 2ownd chest wall thus, playing an imp. &ole in abduc" of azm beyond 30°, DORST Lip of iliac crest ‘The muscle winds xound © stedies the Scapula . * Post. layer of AUMbat lower border of teres major Thorzacodoasal ae - ere | ‘ \ i as nerve (Ce ,cq ce) e Adduction , extension & Med. — fascia’, thus attading —-& foams posteriae fold of ee aaa se shewder ag in muscle to lumbar & sacral axiia, (newe to Jatissi must ‘ ; henbia ines doasi ) Swimming , x0.lng 1 ching, © spines of Ty- Ty, qhe tendon is twisted pulling ,felding axm behind ; | lower & xibs. upside down & is Insezted pack & sae scnextching opposite : (e Inf. angle of scapula. jnto floor of intertuberculaz scapula. puns: ° Help in violend expiactioay effort Like - | cou ghia q ysneezing| eke, ‘ e Essentially a climbing muscle . @ © Transverse processes @ Hold ink. angle of scapula in place. ans. 5 LA) aiid -o ¢ - ae of C1, Cr ’ ° Superior angie £ upP Sy branch faem Helps in elevation of APULA i) part of medial border. doasal sccys war WN. Scapwia. * Post. tubercles of tnansverse processes of €4, Cy. (up to triangular area) of Scap ula, (Cs). © C4, Cy branches are Pro Pprlocepdive. in (ava) * Steadies the Scapula during movemerts of cum. Scanned with CamScanner AVTACUMENTS OF INTERCOSTAL Muscle Muscle Orden | ‘Insertion _| Nerve s. Action | | | © EXTERNAL Lower hordes of Outer lip of Actions of INTERCOSTAL! sib ahove the upper border | Alt intercostal soace. lof zih beloio inter co fal! Muscles | Muscles | @ INTER Floor of +the _Tnnea lip _of lane supplied main action of IN TERCosTAL| Costal iLO af u er hordes _| Lby dhe | intercostal muscle nih above _ OF rib below Intl co tal! is to prevent _ —— of _lintercosial spaces @ TRANSVERSW | | paces in ‘heing dramnin— THoRAcTS 7 b Thinner surface of “Taner surface if rohich ainay dating ins pla a” & | %)Subcostalid rib near angle 2 on 3 aibs below ie bulging outuoerd b)“Tntercostalis — middle 24 jth ¢ Tnnez lip of duatag expiaa” intimi L of Aidae ahove upper boader t Inngtzmos4 Cosial azoove of ri helow | indercostal | 2) External inter costal , c) Sternp- 4b ¢ tower UP le costa) Cartilageinjerchondral portions of Ccestalis of _pasterion of 2nd beth internal inrercestais £. Surface af body | nibs ‘teueina cosine may elevate foul siex hu } dibs duatna, \nspiaaN : o Posterior Surface of yinhoid 3) Fnvernal_ing ercestals €xcep4 o Pactesion guafack of costal Cor tage fon. dhe inter chondral goa tions & the transversus thoracisg of lower 3 on 4 depaess the rib LPs due ribs near Pncut Cartilages during @xna” + 7 et : Steynum Scanned with CamScanner MUSCLES OF PECTORAL REGION Muscie ORIGIN INSERTION NERVE 5. ACTION © | lb Ant. Surface of e It is inseted Medial & & Ading as a whole PECTORA\TS |[medial 2/24 of clavicle by a bilaminar \atezal muscle CuUses - MAYOR ls Half baeadth ot ant. tendon on the Pectoral Adduction & medial surfoce of monubaium latezal lip of Mexves. oration of shoulda & stenum up +o 6! bicipital groove Joint Cau) - Costal cartilages. in form of @ Clovicular park » 0 272 46 6M coStal inverted “y’. Flexion of a2m Caztilages , Sfeznal e Steynocostal pend end of Gt rib. Two laminae ~ Extension of * Aponeurosis of Qre continuous flexed aam against exteznal oblique with each other aesisiance muscle of abdomen, inferiorly. = Climbing @ ° 3,4,5 abs, e Medial border, Medial & © Daawos_Scapula PECTORALIS |] near costochondral & uppe \ateral forward With | MINOR junction surface of pectoral sezaatus ant.) o Intezvening fascia cozacoid nerves. ° Depaesses the Covering exiexnol Process. Point of Shoulder. iMdexcostal muscles e Helps in forced j inspiration. c}) eo 1% Alb ai the» Subclavian Nexve 40 SUBCLAVIUS costo Chond2al qzoove inthe subclavius *Sieadies eoclaw lq duzing movements | Junction middie Yard From upper of clavicle. Azink ot _ of Shoulder Joint. brachial e Forms a cushion Plexus fon axillary vessels | & divisions of jaunks of brachial Plexus. Scanned with CamScanner “pasrer Si amssaud (Pui\urop Gpe- bxyyut aut { Uaum Craw you m Buy \m\214%2d NS ase\> 04 SPUB} OSI BPSnw & | (19 )a neu ¢ “41 ayoneye yrounzo uaB wod P Slysa} | 49 Yo uoxvg puadsns of Ssdlay | pRiua ; | (1) PAY paul | BRON 24h BSUal eo fpysoo ans spromdn ssod savqiy NOLTLIy | °S anvan, | ysavr 4nd Jo Rod Soppul | (o~yoY ‘apxqn} riqnd + erreinb | | : od joypaw «| POUT a Ut | | -quawireBre Paderonee Ming | cunreurtmad | reoumBul ' saysnw [SiutwWoPpan SiPSzansurox} ap siapd fo : Pp anbilqo lounuopgn alysnw parred — 6 Sirsa yO | (ouryut yo abp9 wma, rosa Semon porns i Amd PRHOT © Yslswwad) O | | “vain | pavl| oyu paywsul “2\osnur ol aq of A\\pipaw x | stqnd aut go Apoq prom, yous — | fO BOHM Wormpuy eo | STAWALWWUAd © | | ee ja | NOTLUISNE NLYLYO aiosaw Scanned with CamScanner MUSCLE ® PSoAS MATOR ® Psoas MIvoR @ ILiAcs —Triangwiax ruscle. ® Quapeaws Lump orvM MUSCLES OF POSTERTOR ABDOMINAL WALL \ ORTGIN _ | INSERTION NERVE Ss. AC — _ Branches from 4 Powerful Flexor of hip, |4) From anjeioz surfaces & lower! « ahserted indo | . borders of jransverse process | dhe tip & medial ects ot ACTION “Joint as in raising taunk oF all lumbaz vertebrae, Park of anterior Spinal nerve fzem aAecumbent to b) By 5 slips , one each from surface of lesser 12,135 & sitting Posture. bodies of twa adjacent verlebtae yrochanter of somedimes Ly, 2) Help im maintaining £ theiz inlerveeiebral discs, Rereiiz:. stability ea hip, Balances from vertebrae , Tyo 40 Ls. taunk while Ssidting. D) From 4 tendinovs arches BZ when Muscle ef one side extending across constricted acis alone iL brings about pees ok bodies eitwiiay Jederal Flexion of Prank vetebrac , bet? preceding slips, ® Sides of bodies of vertebrae ® dhe pecten pubis Branches from To & by & dise blue hem. & Wopubic eminence, 3°. Li a) Upper Band of iliac fossa. 6 bokeea) post of Beaton b) Innez lip of ihae crest & vertalant, surface of faom Femoral Sacroiliac £iliojumbaz ligamenis. lesser trochanter , heave (2 Ls) 7 ) Upper SuzeTace of hateal Insertion extends Part of sacitum for 2.5 tm below trochante. © Transverse Procesies ry an svese Process of ve ° of upper YU lumbar v, vertebrq Ls. iby A olumbay Kgament © Medial half of lower Adjoining 5 em of inner MP border of ant. Surface of 3) oF 12%*h ab. 7 w on wnat side. a) Weak medial rotator ef nip, "weak Flexor of TAU . e With psoas ik flexes tthe hip Joint. ) Fixes last rib during inspization, Dwohen pewis is fixed, it May cause lateral Flexion of vertebral column. -3) Muscle of bo-wh sides ach together can exdend Lumb Vedebral telumn, we ey "a a Scanned with CamScanner KASTURBA HOSPITAL, SEVAGRAM INPATIENT CASE RECORD —TUSCLES ORTON | INsertzon [werves. | ACTION J Vastus lle Lower part_of | Medial Vad | Fomaral le Extends knee, Medialis iIntestsachanteric of hase & Newe _¢ Prevents latezc line 'Uppex Dp xd ‘4 of displacement of | £ Soiza) line ‘maedial baxdee | patella e Medial Vio ol of patella | © Rotate Femut linen asnesa { | mediciily dusing 2 \pner Lyth of ! lacking stage of Medial Sup%aqcon- | extension of kneé dylas line | Joint. Action is extremely impord for stability of | Patella, D] Vastus _|/e Upper 377) of | Base of Femoral © Ex-tend ini@emediys|| anterior £ lateral patella Nerve Knee soint sutfaces of shaft of | femur | | [3} ARTICULARIS| « Antexior surface Supropeteliar Femoxa\ 6 Tt pulls the GEND __|| of_femuz bursa synovial Nerve synovial membs membscane upwards dur of knee inint extension of _ knee hus — _ -_ Preventing dam a _ _ _ to it. Scanned with CamScanner MUSCLES OF MEDIAL COMPARTMENT oF THIGH ~ MUSCLES ORIGIN INSERTION (- : tendon e i aspezd in +4 cto * By a Naxrow , Flat tendo The linea P : oneue. from Front of bedy of the wiadle YaXd of Shaft : a : © Trlangulax muscle pubis ae pubic est of femur ber? the ¢ foxming me dia\ & pubic sumpny sis. vastus medialis & Part of floor of © Sometimes Sesamoid adduciceé brevis & Femoral triangle. bone is seen near iis magnus. «lies in prane of axigin (sider's bone). pectineus. © Anieriox surface of Line extending fzom 2. ADDUCTOR _ body of pubis. ‘ . lessex dxochantex +0 BREVIS © Ower surface of infertor upper. part of linea |e musde Ales rcumus of pubis bern behind whe Pectineus geccicilis 2 obiuecdor ext eenus & ad ductor lONGUS © Oujer surface of xamus of aspeza , behind uppet part of adductor ; longus. 1 ischium bea? gqxacmis & ‘ adaurto& magnus. 3, ADDUCTOR e Inferolaterc part of — ¢ Medial margin of MAGNUS fscitiall tupbecenl ty gluteal tuberosity Bs Vaxgest muscle of ° Ramus of ischiwn ° Linea aspera. dhis compartment. ° Lotoer part of inferiok © medial Supzcdcondy)}ar by posterior divin * Double nerve zamus of pubis. line. supply Chybaid 2 Adducior tubeecle | musde) . NERVE SUPPLY Aniecioe division of obluxzaior neeve , Aniverioe o% posterior awit of obtuzctor nezeve Double nerve supply : AdducdoOx part of obturator N. Hamstxing parr by Vibiak part of sdanhe neve. ACTIONS e Powerful adductor of dhigh ay hip Joint . © AcA as Posture conizollezs, © Help in adduction & f\exion of thigh. Adducior past * ddducton of thigh Hamsteing Part * hdps in extension of hip & flexion of Knee. Scanned with CamScanner