Lower Extremity Muscles, Origins And Insertions

Front 1

RECTUS FEMORIS

Back 1

STRAIGHT HEAD: AIIS REFLECTED HEAD: GROOVE ABOVE RIM OF ACETABULUM PROXIMAL BORDER OF PATELLA, THROUGH PATELLAR LIGAMENT TO TIBIAL TUBEROSITY

Front 2

VASTUS MEDIALIS

Back 2

DISTAL HALF OF INTERTROCHANTERIC LINE, MEDIAL LIP OF LINEA ASPERA, PROXIMAL PART OF MEDIAL SUPRACONDYLAR LINE, TENDONS OF ADDUCTOR LONGUS AND ADDUCTOR MAGNUS, AND MEDIAL INTERMUSCULAR SEPTUM PROXIMAL BORDER OF PATELLA AND THROUGH PATELLAR LIGAMENT TO TIBIAL TUBEROSITY

Front 3

VASTUS LATERALIS

Back 3

PROXIMAL PART OF INTERTROCHANTERIC LINE, ANTERIOR AND INFERIOR BORDERS OF GREATER TROCHANTER, LATERAL LIP OFGLUTEAL TUBEROSITY, PROXIMAL HALF OF LATERAL LIP OF LINEA ASPERA, AND LATERAL INTERMUSCULAR SEPTUM PROXIMAL BORDER OF PATELLA AND THROUGH PATELLAR LIGAMENT TO TIBIAL TUBEROSITY

Front 4

VASTUS INTERMEDIUS

Back 4

ANTERIOR AND LATERAL SURFACES OF PROXIMAL 2/3 OF BODY OF FEMUR, DISTAL HALF OF LINEA ASPERA, AND LATERAL INTERMUSCULAR SEPTUM PROXIMAL BORDER OF PATELLA AND THROUGH PATELLAR LIGAMENT TO TIBIAL TUBEROSITY

Front 5

SARTORIUS

Back 5

ASIS AND SUPERIOR 1/2 OF NOTCH JUST DISTAL TO SPINE PROXIMAL PART OF MEDIAL SURFACE OF TIBIA NEAR ANTERIOR BORDER

Front 6

ILIOPSOAS

Back 6

PSOAS MAJOR: VENTRAL SURFACE OF TRANSVERSE PROCESSES OF ALL LUMBAR VERTEBRAE, SIDES OF BODIES AND CORRESPONDING INTERVERTEBRAL DISCS OF LAST THORACIC AND ALL LUMBAR VERTEBRAE AND MEMBRANOUS ARCHES THAT EXTEND OVER SIDES OF BODIES OF LUMBAR VERTEBRAE ILIACUS: SUPERIOR 2/3 OF ILIAC FOSSA, INTERNAL LIP OF ILIAC CREST, ILIOLUMBAR & VENTRAL SACROILIAC LIGAMENTS &SACRAL ALA LESSOR TROCHANTER OF FEMUR

Front 7

PECTINEUS

Back 7

SURFACE OF SUPERIOR RAMUS OF PUBIS VENTRAL TO PECTIN BETWEEN ILIOPECTINEAL EMINENCE AND PUBIC TUBERCLE PECTINEAL LINE OF FEMUR

Front 8

ADDUCTOR LONGUS

Back 8

ANTERIOR SURFACE OF PUBIS AT INTERSECTION OF CREST AND PUBIS MIDDLE 1/3 OF MEDIAL LIP OF LINEA ASPERA

Front 9

ADDUCTOR BREVIS

Back 9

OUTER SURFACE OF INFERIOR RAMUS OF PUBIS DISTAL 2/3 OF PECTINEAL LINE AND PROXIMAL 1/2 OF MEDIAL LIP OF LINEA ASPERA

Front 10

ADDUCTOR MAGNUS

Back 10

INFERIOR PUBIC RAMUS, RAMUS OF ISCHIUM (ANTERIOR FIBERS), AND ISCHIAL TUBEROSITY (POSTERIOR) MEDIAL TO GLUTEAL TUBEROSITY, MIDDLE OF LINEA ASPERA, MEDIAL SUPRACONDYLAR LINE, AND ADDUCTOR TUBERCLE OF MEDIAL CONDYLE OF FEMUR

Front 11

GRACILIS

Back 11

INFERIOR 1/2 OF PUBIC SYMPHYSIS AND MEDIAL MARGIN OF INFERIIOR RAMUS OF PUBIC BONE MEDIAL SURFACE OF BODY OF TIBIA, DISTAL TO CONDYLE, PROXIMAL TO INSERTION OF SEMITENDINOSIS, AND LATERL TO INSERTION OF SARTORIUS

Front 12

OBTURATOR EXTERNUS

Back 12

RAMI OF PUBIS & ISCHIUM, EXTERNAL SURFACE OF OBTURATOR MEMBRANE TROCHANTERIC FOSSA OF FEMUR

Front 13

GLUTEUS MAXIMUS

Back 13

POSTERIOR GLUTEAL LINE OF ILIUM AND PORTION OF BONE SUPERIOR AND POSTERIOR TO IT, POSTERIOR SURFACE OF LOWER PART OF SACRUM, SIDE OF COCCYX, APONEUROSIS OF ERECTOR SPINAE, SACOTUBEROUS LIGAMENT, AND GLUTEAL APONEUROSIS LARGER PROXIMAL PART AND SUPERFICIAL FIBERS OF DISTAL PORTION OF MUSCLE INTO IT TRACT OF FASCIA LATAE DEEP FIBERS OF DISTAL PART INTO GLUTEAL TUBEROSITY OF FEMUR

Front 14

GLUTEUS MEDIUS

Back 14

EXTERNAL SURFACE OF ILIUM BETWEEN ILIAC CREST AND POSTERIOR GLUTEAL LINE DORSALLY, AND THE ANTERIOR GLUTEAL LINE VERTICALLY, GLUTEAL APONEUROSIS OBLIQUE RIDGE OF LATERAL SURFACE OF GREATER TROCHANTER OF FEMUR

Front 15

GLUTEUS MINIMUS

Back 15

EXTERNAL SURFACE OF ILIUM BETWEEN ANTERIOR AND INFERIOR GLUTEAL LINE, AND MARGIN OF GREATER SCIATIC NOTCH ANTERIOR BORDER OF GREATER TROCHANTER, HIP JOINT CAPSULE

Front 16

PIRIFORMIS

Back 16

SURFACE OF SACRUM BETWEEN 1,2,3, AND 4TH PELVIC SACRUM FORAMINA, MARGIN OF GREATER SCIATIC FORAMEN, AND PELVIC SURFACE OF SACROTUBEROUS LIGAMENT SUPERIOR BORDER OF GREATER TROCHANTER

Front 17

SUPERIOR GEMELLI

Back 17

EXTERNAL SURFACE OF ISCHIAL SPINE WITH TENDON OF OBTURATOR INTERNUS INTO MEDIAL SURFACE OF GREATER TROCHANTER

Front 18

INFERIOR GEMELLI

Back 18

PROXIMAL PART OF TUBEROSITY OF ISCHIUM WITH TENDON OF OBTURATOR INTERNUS INTO MEDIAL SURFACE OF GREATER TROCHANTER

Front 19

OBTURATOR INTERNUS

Back 19

INTERNAL PELVIC SURFACE OF OBTURATOR MEMBRANE AND MARGIN OF OBTURATOR FORAMEN, PELVIC SURFACE OF ISCHIUM, POSTERIOR AND PROXIMAL TO OBTURATOR FORAMEN, AND TO SLIGHT EXTENT FROM THE OBTURATOR FASCIA MEDIAL SURFACE OF GREATER TROCHANTER

Front 20

QUADRATUS FEMORIS

Back 20

PROXIMAL PART OF LATERAL BORDER OF TUBEROSITY OF ISCHIUM PROXIMAL PART OF QUADRATE LINE EXTENDING DISTALLY FROM INTERTROCHANTERIC CREST

Front 21

BICEPS FEMORIS LONG HEAD

Back 21

DISTAL PART OF SACROTUBEROUS LIGAMENT, POSTERIOR PART OF ISCHIAL TUBEROSITY LATERAL SIDE OF FIBULAR HEAD, LATERAL CONDYLE OF TIBIA, DEEP FASCIA, LATERAL SIDE OF LEG

Front 22

BICEPS FEMORIS SHORT HEAD

Back 22

LATERAL LIP OF LINEA ASPERA, PROXIMAL 2/3 OF SUPRACONDYLAR LINE, AND LATERAL INTERMUSCUALR SEPTUM LATERAL SIDE OF FIBULAR HEAD, LATERAL TIBIAL CONDYLE, DEEP FASCIA OF LEG

Front 23

SEMITEDINOSIS

Back 23

ISCHIAL TUBEROSITY BY TENDON COMMON WITH LONG HEAD OF OF BICEPS FEMORIS PROXIMAL PART OF MEDIAL SURFACE OF BODY OF TIBIA, DEEP FASCIA OF LEG

Front 24

SEMIMEMBRANOSUS

Back 24

ISCHIAL TUBEROSITY, PROXIMAL AND LATERAL TO BICEPS FEMORIS & SEMITENDINOSIS POSTEROMEDIAL ASPECT OF MEDIAL CONDYLE OF TIBIA

Front 25

GASTROCNEMIUS

Back 25

MEDIAL HEAD: PROXIMAL AND POSTERIOR OF MEDIAL CONDYLE AND ADJACENT PART OF FEMUR, CAPSULE OF KNEE JOINT LATERAL HEAD: LATERAL CONDYLE AND POSTERIOR SURFACE OF FEMUR, CAPSULE OF KNEE MIDDLE PART OF POSTERIOR SURFACE OF CALCANEUS

Front 26

PLANTARIS

Back 26

DISTAL PART OF LATERAL SUPRACONDYLAR LINE OF FEMUR AND ADJACENT PART OF ITS POPLITEAL SURFACE, OBLIQUE POPLITEAL LIGAMENT OF KNEE JOINT POSTERIOR PART OF CALCANEUS

Front 27

SOLEUS

Back 27

POSTERIOR SURFACES OF HEAD OF FIBULA AND PROXIMAL 1/3 OF ITS BODY, SOLEAL LINE, AND MIDDLE 1/3 OF MEDIAL BORDER OF TIBIA, AND TENDINOUS ARCH BETWEEN TIBIA AND FIBULA POSTERIOR PART OF CALCANEUS

Front 28

FLEXOR HALLUCIS LONGUS

Back 28

POSTERIOR SURFACE OF DISTAL 2/3 OF OF FIBULA, INTEROSSEOUS MEMBRANE, AND ADJACENT INTERMUSCULAR SEPTA AND FASCIA BASE OF DIATAL PHALANX OF GREAT TOE, PLANTAR SURFACE

Front 29

FLEXOR DIGITORUM LONGUS

Back 29

MIDDLE 3/5 OF POSTERIOR SURFACE OF BODY OF TIBIA AND FROM FASCIA COVERING THE POSTERIOR TIBIALIS BASES OF DISTAL PHALANGES OF 2ND THROUGH 5TH DIGITS

Front 30

TIBIALIS POSTERIOR

Back 30

MOST OF INTEROSSEOUS MEMBRANE, LATERAL PORTION OF POSTERIOR SURFACE OF TIBIA, PROXIMAL 2/3 OF MEDIAL SURFACE OF FIBULA, ADJACENT INTERMUSCULAR SEPTA, AND DEEP FASCIA TUBEROSITY OF NAVICULAR BONE AND BY FIBROUS EXPANSIONS TO THE SUSTENTACULUM TALI, 3 CUNEIFORMS, CUBOID, AND BASES OF 2ND, 3RD, AND 4TH METATARSAL BONES

Front 31

POPLITEUS

Back 31

ANTERIOR PART OF GROOVE ON LATERAL CONDYLE OF FEMUR, AND OBLIQUE POPLITEAL LIGAMENT OF KNEE JOINT TRIANGULAR AREA PROXIMAL TO SOLEAL LINE ON POSTERIOR SURFACE OF TIBIA, AND FASCIA COVERING THE MUSCLE

Front 32

EXTENSOR HALLUCIS LONGUS

Back 32

MIDDLE 1/2 OF ANTERIOR SURFACE OF FIBULA AND ADJACENT INTEROSSEOUS MEMBRANE BASE OF DISTAL PHALANX OF GREAT TOE

Front 33

EXTENSOR DIGITORUM BREVIS

Back 33

DISTA PART OF SUPERIOR AND LATERAL SURFACES OF CALCANEUS, LATERAL TALOCALCANEAL LIGAMENT, AND APEX OF INFERIOR EXTENSOR RETINACULUM BY 4 TENDONS TO 1-4TH DIGITS. THE MOST MEDIAL SLIP INSERTS INTO DORSAL SURFACE OF BASE PROXIMAL PHALANX OF GREAT TOE. OTHER 3 TENDONS JOIN LATERAL SIDES OF TENDONS OF EXTENSOR DIGITORUM LONGUS TO 2ND , 3RD AND 4TH DIGITS

Front 34

TIBIALIS ANTERIOR

Back 34

LATERAL CONDYLE AND PROXIMAL 1/2 OF LATERAL SURFACE OF TIBIA, INTEROSSEUS MEMBRANE, DEEP FASCIA, AND LATERAL INTERMUSCULAR SEPTA MEDIAL AND PLANTAR SURFACE OF MEDIAL CUNEIFORM, BASE OF 1ST METATARSAL BONE

Front 35

EXTENSOR DIGITORUM LONGUS

Back 35

LATERAL CONDYLE OF TIBIA, PROXIMAL 3/4 OF ANTERIOR SURFACE OF BODY OF FIBULA, PROXIMAL PART OF INTEROSSEUA MEMBRANE, ADJACENT INTERMUSCULAR SEPTA , AND DEEP FASCIA BY 4 TENDONS, TO THE 2-5TH DIGITS, EACH TENDON FORMS AN EXPANSION ON THE DORSAL SURFACE OF THE TOE, AND DIVIDES INTO AN INTERMEDIATE SLIP ATTACHED TO THE BASE OF MIDDLE PHALANX AND INTO 2 LATERAL SLIPS ATTACHED TO BASES OF DISTAL PHALANX

Front 36

FIBULARIS TERTIUS

Back 36

DISTAL 1/3 OF ANTERIOR SURFACE OF FIBULA, INTEROSSEOUS MEMBRANE AND ADJACENT INTERMUSCULAR SEPTA DORSAL SURFACE, BASE OF 5TH METATARSAL

Front 37

EXTENSOR HALLUSIS BREVIS

Back 37

DISTSAL PART OF SUPERIOR AND LATERAL SURFACES OF CALCANEUS, LATERAL TALOCALCANEAL LIGAMENT, AND APEX OF INFERIOR EXTENSOR RETINACULUM DORSAL SURFACE OF BASE OF PROXIMAL PHALANX OF GREAT TOE

Front 38

ABDUCTOR HALLUCIS

Back 38

MEDIAL PROCESS OF TUBEROSITY OF CALCANEUS, FLEXOR RETINACULUM, PLANTAR APONEUROSIS, AND ADJACENT INTERMUSCULAR SEPTUM MEDIAL SIDE OF PROXIMAL PHALANX OF GREAT TOE. SOME FIBERS ARE ATTACHED TO MEDIAL SESAMOID BONE, AND A TENDINOUS SLIP MAY EXTEND TO THE BASE OF THE PROXIMAL PHALANX OF THE GREAT TOE

Front 39

ADDUCTOR HALLUCIS

Back 39

OBLIQUE HEAD: FROM BASES OF 2-4TH METATARSAL BONES AND SHEATH OF FIBULARIS LONGUS

Front 40

ABDUCTOR DIGITI MINIMI

Back 40

BOTH PROCESSES OF THE CALCANEAL TUBEROSITY FROM THE PALNTAR SURFACE OF THE BONE BETWEEN THEM, FROM THE PLANTAR APONEUROSIS, A BONE FROM THE INTERMUSCUALR SEPTUM BETWEEN THE ADM AND FDB SMOOTH GROOVE ON PLANTAR SURFACE OF THE BASE OF THE 5TH METATARSAL AND IS ATTACHED WITH THE FDMB TO THE LATERAL SIDE OF THE BASE OF THE PROXIMAL PHALANX OF THE 5TH TOE

Front 41

FIBULARIS LONGUS

Back 41

LATERAL TIBIAL CONDYLE, HEAD AND PROXIMAL 2/3 OF LATERAL OF LATERAL SURFACE OF FIBULA, INTERMUSCULAR SEPTA, AND ADJACENT DEEP FASCIA LATERAL SIDE OF BASE OF 1ST METATARSAL AND OF MEDIAL CUNEIFORM

Front 42

FIBULARIS BREVIS

Back 42

DISTAL 2/3 OF LATERAL SURFACE OF FIBULA AND ADJACENT INTERMUSCULAR SEPTA TUBEROSITY AT BASE OF 5TH METATARSAL BONE, LATERAL SIDE

Front 43

FLEXOR DIGITI MINIMI BREVIS

Back 43

MEDIAL PART OF THE PKLANTAR SURFACE OF THE BASE OF THE 5TH METATARSAL BONE AND FROM THE SHEATH OF THE FIBULARIS LONGUS

Front 44

FLEXOR DIGITORUM BREVIS

Back 44

MEDIAL PROCESS OF TUBEROSITY OF CALCANEUS, CENTRAL PART OF PLANTAR APONEUROSIS AND ADJACENT INTERMUSCULAR SEPTA MIDDLE PHALANX OF 2-5TH DIGITS

Front 45

QUADRATUS PLANTAE

Back 45

MEDIAL HEAD: MEDIAL SURFACE OF CALCANEUS, AND MEDIAL BORDER OF LONG PLANTAR LIGAMENT LATERAL HEAD: LATERAL BORDER OF PLANTAR SURFACE OF CALCANEUS, AND LATERAL BORDER OF LONG PLANTAR LIGAMENT LATERAL MARGIN, DORSAL AND PLANTAR SURFACES OF TENDON OF FLEXOR DIGITORUM LONGUS

Front 46

LUMBRICALS

Back 46

1ST FROM MEDIAL SIDE OF 1ST FDL TENDON, 2ND FROM ADJACENT SIDES OF 1ST AND 2ND FDL TENDONS, 3RD FROM ADJACENT SIDES OF 2ND AND 3RD FDL TENDONS, 4TH FROM ADJACENT SIDES OF 3RD AND 4TH FDL TENDONS MEDIAL SIDE OF PROXIMAL PHALANX AND DORSAL EXPANSION OF EDL TENDON OF 2ND - 5TH DIGITS

Front 47

FLEXOR HALLUCIS BREVIS

Back 47

MEDIAL PART OF PLANTAR SURFACE OF CUBOID, ADJACENT PART OF LATERAL CUNEIFORM, AND FROM PROLONGATION OF TENDON OF POSTERIOR TIBIALIS MEDIAL AND LATERAL SIDES OF BASES OF PROXIMAL PHALANX OF GREAT TOE

Front 48

TENSOR OF FACIA LATAE

Back 48

ANTERIOR PART OF THE EXTERNAL LIP OF ILIAC CREST, OUTER SURFACE OF ASIS, AND DEEP SURFACE OF FASCIA LATAE INTO ILIOTIBIAL TRACT OF FACIA LATA AT JUNCTION OF PROXIMAL AND MIDDLE THIRDS OF THIGH

Front 49

INTEROSSEI

Back 49

PLANTAR (3)- BASES AND MEDIAL SIDES OF BODIES OF 3-5TH METATARSAL BONES DORSAL(4)- EACH BY 2 HEADS FROM ADJACENT SIDES OF THE METATARSAL BONES PLANTAR(3)- MEDIAL SIDES OF BASES OF PROXIMAL PHALANGES OF SAME DIGIT DORSAL(4)- SIDE OF PROXIMAL PHALANX AND CAPSULE OF 1ST MTP JOINT TO MEDIAL SIDE OF 2ND DIGIT, OTHER 3 TO LATERAL SIDES OF 2-4TH DIGITS