Table 3. Occurrence of Individual Variations in Muscles

T.p.T.c.p.T.c.a.P.p.
1
L
1
R		2
L		2
R		3
L		3
R		4
L		5
R		1
L		1
R		2
L		2
R		3
L		4
L		1
L		1
R		2
L		1
L		1
R		2
L		3
L		3
R		4
L
Ambiens

origin partly fleshy

 x
Vastus lateralis

no vincula

 x x
Extensor iliofibularis

insertional tendon double

 x
Piriformis

posteroproximal corner tendinous

 x x xx x

insertion fused to flexor ischiofemoralis

 x
Iliotrochantericus medius

not notched

 xx x

anterior part with fleshy origin

 x x x x

insertion fused to gluteus profundus

 x

muscle split

 x
Flexor cruris lateralis

accessory slip present

 x
Flexor cruris medialis

origin from pubis

 x x

insertion partly fleshy

 xx xx

insertional tendon split

 x
Caudofemoralis

accessory slip fleshy

 xx

tendinous area in belly of pars caudifemoralis

 xx x

origin from pubis

 x

insertion entirely tendinous

 x
Flexor ischiofemoralis

insertion partly fleshy

x x x
Adductor superficialis

groove for flexor cruris medialis present

 xx x x

completely fused with adductor profundus

 x
Adductor profundus

proximal part of insertion tendinous

 x

distal end of insertion tendinous

 x
Obturator

independent slip of pars antica present

 x x

slip of pars antica fused to pars postica

 x x

independent slip of pars dorsalis present

 x xx x

pars dorsalis fused with pars antica

 x
Gastrocnemius

pars interna overlaps peroneus longus

 x
Flexor perforans et perforatus digiti II

anterior head entirely tendinous

 x

vinculum joins flexor perforatus digiti II

x

origin from superficial surface of patellar tendon

 x
Flexor perforans et perforatus digiti III

accessory head present

 xx
Flexor perforatus digiti II

roof of hypotarsal canal bony

 x xx
Plantaris

accessory head present

 x

origin from medial collateral ligament

 x
Flexor digitorum longus

notched for peroneal nerve

 xx xx x

origin from tendon of extensor iliofibularis

 x

third dorsal slip present in digiti IV

 xx xxx xxxx

third dorsal slip present in digiti III

 xxx xxxxxxx xx

second dorsal slip present in digiti II

 xxx x xxxxxx xx

vinculum joins flexor perforatus digiti IV

 xxxx
Peroneus longus

origin from patellar tendon

xx xx x
Tibialis anticus

accessory insertion absent

 x x
Extensor digitorum longus

lateral branch of tendon not ossified

x xx x xxxxxx

origin from posterior surface of outer cnemial crest

 xx x
Extensor hallucis longus

origin lateral to retinaculum

 x x

distal fibers of distal head insert independently

 x xx x x

accessory bundle present

 x

entire distal head inserts independently

 x
Abductor digiti II

accessory insertion present

 x
Extensor proprius digiti III

present

 x x

Table 4. Number of Muscular Variations in Common Between the Legs Studied

LegOther
leg of
same
specimen		T.p.T.c.p.T.c.a.P.p.No
other
legs
1
L
1
R		2
L		2
R		3
L		3
R		4
L		4
R		1
L		1
R		2
L		2
R		3
L		4
L		1
L		1
R		2
L		1
L		1
R		2
L		3
L		3
R		4
L
T.p. 1 L1—— 2211 1121121
T.p. 2 R6 ——2112 1 1123332311420
T.p. 3 L42122—— 1 1123224412351
T.c.p. 1 R1 1 —— 1 2
T.c.p. 2 R0 111 —— 211111 113
T.c.a. 1 R5 1332 1 1122——33411323
P.p. 1 L4 2223 1113332——32372
P.p. 3 R4 442 211 112333354——51

Table 5. Occurrence of Individual Variations in Nerves

T.p.T.c.p.T.c.a.P.p.
1
L
1
R		2
L		2
R		3
L		3
R		4
L		5
R		1
L		1
R		2
L		2
R		3
L		4
L		1
L		1
R		2
L		1
L		1
R		2
L		3
L		3
R		4
L
Lumbosacral plexus

two fureal nerves

 xx xx xxx

S9 with three branches

 x

prefixed

 x xxx xxxx

sciatic nerve with six roots

 xx x xxx xxxx

obturator nerve from S2 and S3 only

 x xxx

femoral nerve mainly from S2-S4

 x xxx xxxx
Femoral nerve

anterior division innervates extensor iliotibialis lateralis

 xx xx x

dorsal division fused with anterior division

x x x x

dorsal division fused with middle division

 xx x x xx

two branches to iliacus

 x x

middle division anastomoses with anterior division

 xx xxx

anterodorsal division does not go through femoral notch

 xx

branch of anterior division perforates iliacus

 x

cutaneous branch perforates extensor iliotibialis lateralis

 xx

branch of middle division perforates vastus medialis

 x

branch to vasti innervates extensor iliotibialis lateralis

 x

anterior branch of anterior division cutaneous

 xx x
Sciatic nerve

twig to pars caudifemoralis independent

 x

branch to flexor cruris lateralis does not perforate caudofemoralis

xx x xxxxx x

paraperoneal nerve enters peroneal sheath

x xx x xx

cutaneous peroneal branch perforates gastrocnemius pars externa

 x xx

cutaneous peroneal branch absent

 xx x

distal cutaneous tibial branch absent

 x

twig to tail present

 x x x xx x x

nonmuscular peroneal twig deep to vastus lateralis pars postica

 xx x x

branch to flexor cruris medialis from posterior tibial division

 x xx

extra twigs join cutaneous tibial branches

 x

branch to flexor cruris medialis an independent division

 xxx

branch to flexor cruris medialis perforates flexor ischiofemoralis

 x

two twigs to flexor ischiofemoralis

 xxxxx

independent extra branch innervates extensor iliofibularis

 x

branch to femorocruralis innervates gastrocnemius pars media

 x
Peroneal nerve

superficial and deep peroneal nerves do not join

x x xx
Tibial nerve

independent extra branch innervates flexor perforatus digiti IV

 xx

anastomosis involving posterior division

 xx

branch to gastrocnemius pars externa an independent division

 x

branch to gastrocnemius pars media innervates femorocruralis

x x

extra branch innervates flexor perforatus digiti III

x x

branch to gastrocnemius pars interna perforates plantaris

 x

branch to gastrocnemius pars interna innervates plantaris

 x

Table 6. Number of Nerve Variations in Common Between the Legs Studied