milErbtsff,smwdaffdUdon Tcndotn d sdflEor dglMum kqua EfrolHrdlgilorum &*utoruur TreleLrs ANrenron Upper % of the lateral surface of the tibia. Anterior tibial nerve. Medial cuneiform. Dorsiflexion & inversion of the foot. HxreNSoR DtctroRuM Lor.rcus Dorsiflexion of the foot & extension of lateral 4 toes. Upper Yt of anlerior surface of the fibula. Anterior tibial nerve. Extensor

 

rounded tendon).

Linea aspra.

AoDUGToR MAGNUS

Obturator nerve.

Sciatic nerve.

Adductor pafi:

conjoint ramus

(inferior pubic ramus

& ischial ramus).

Hamstrina part: lower

lateral part of the

ischial tuberosity.

Linea aspra.

Adductor

tubercle.

Adduction.

Extension of the

hip joint.

Adductor brevis Adductor lonqus Adductor maqnus

Surgical importance:

Spasm of adductors of thigh (spasfic paraptegia) can be relieved by

surgical.flivision of obturator nerve.

LOWE LIMB

Common features:

- They arise primarily from the ischialtuberosity.

- They are supplied by the sciatic nerve.

- They flex the leg (knee) and extend the thigh (hip).

SemrrENDrNosus

SerurMEMBRANosus

pma[us

fmg,rtxrE

$mClus

Lower medial part of Sciatic nerve.

the upper area of

ischial tuberosity (with

long head of the

Surface of the

tibia (behind

gracilis).

Flexion of the leg

(knee) and

extension of the

thigh (hip).

Upper lateral part of

the upper area of

ischial tuberosity

S.G.S.T. tibia Sciatic nerve. Flexion of the leg

(knee) and

extension of the

I LOWE LIMB

Brcrps Feuonrs

Surgical importance:

lnjury of lateral popliteal nerve should be avoided as it is closely

related to medial border of biceps tendon.

TeNSOR FnsclA LATA

Lonq head: with

semitendinosus.

Short head:linea

Sciatic nerve.

Head of fibula.

Flexion of the leg

(knee) and

extension of the

Anterior part of the

outer lip of the iliac

crest.

Abduction &

maintains the

extended knee.

-lIaccragl

B.l.sbr.l sr{

r n\A/tr r tMo I

3 GLUTEAL MUSCLES{F

Glureus MaxrMUS

Glurrus MEDrus

Glureus MTNTMUS

Hip bone between I Front of greater Superior gluteal

nerve.

Same as gluteus

anterior&inferior ltrochanter. medius.

Gluteal tuberosity I lnferior gluteal

& iliotibial tract. I nerve.

Hip bone behind the

posterior gluteal line &

back of the sacrum.

Extension of the

hip joint & rotate

Superior gluteal

nerve.

Hip bone between

anterior & posterior

gluteal lines.

Back of greater

trochanter.

Abduction, medial

rotation of the hip

& standing on

one limb.

I IowE L|MB

6 HIP LATERAL RoTAToRS

Obttretor

int€rfil,E

GrsatgsciHlc

iorsnenbrhrc

f*rlhmle

Upper border of

the greater

trochanter.

SupeRroR & It.trERroR GEMELLT

QuaonATUS FeuoRrs

Lateral rotation

of the thigh.

OeruRATon ExTeRNUS

Outer surface of the

obturator foramen &

membrane.

Trochanteric

fossa of the

femur.

Lateral rotation of

the thigh.

PInIFORMIS

Anterior surface of

the middle 3 pieces

of sacrum

Oef UnAfOn lNtenNUS (see above)

Superiorlv: nerve to

obturator internus.

lnferiorlv: nerve to

uadratus femoris"

Upper & lower

margins of the lesser

sciatic notch.

With obturator

internus.

Lateral border of

ischial tuberosity.

Quadrate

tubercle of the

femur.

LOWE LrMB I

{*

These include: tibialis anterior, extensoi digitorum longus & extensor hallucis

longus.

They are all supplied by deep peroneal nerve.

Fafrlhrllgrnud frrJ

i-I5htt$crmily frJ

r[sdld h6dd fa

HbuUhhr[u(r0

nbHBrntffhr{q

irlodd srhcsdffIE f+

ffimord$uum

AilHB{DorfiH}al

dflffilbanhrlrt6l

ErffiordEEsum hrElB

ErMrhaltrcblmgus

$WcIrgrHrstrEtmfifum

lilBr*rofitdgtr

Lrbalmdlnls{f,J

milErbtsff,smwdaffdUdon

Tcndotn d sdflEor dglMum kqua

EfrolHrdlgilorum

&*utoruur

TreleLrs ANrenron

Upper % of the lateral

surface of the tibia.

Anterior tibial

nerve.

Medial cuneiform. Dorsiflexion &

inversion of the

foot.

HxreNSoR DtctroRuM Lor.rcus

Dorsiflexion of

the foot &

extension of

lateral 4 toes.

Upper Yt of anlerior

surface of the fibula.

Anterior tibial

nerve.

Extensor

expansion into

middle & distal

phalanges of

lateral4 toes.

HxreNSoR HALLUCtS LoNGUS

Anterior tibial

nerve.

Middle 214 of the

anterior surface of

fibula.

Base of the