PL Muscle Attachments Flashcards
biceps femoris
Origin
sacrotuberous ligament & ischiatic tuberosity
Insertion
patella, patellar lig., & cranial border of tibia via fascia lata and crural fascia; tuber calcanei via common calcanean tendon
semitendinosus
Origin
ischiatic tuberosity
Insertion
medial surface of tibial body
tuber calcanei via common calcanean tendon
semimembranosus
Origin
isciatic tuberosity
Insertion
distal and medial aspect of the caudal femur and medial condyle of the tibia
sartorius
Origin
crest of ilium & thoracolumbar fascia
ventral border of ilium
Insertion
patella and cranial border of tibia
gracilis
Origin
pelvic symphysis via symphysial tendon
Insertion
cranial border of tibia;
tuber calcanei via common calcanean tendon
pectineus
Origin
pubis (pre-pubic tendon and iliopubic eminence)
Insertion
distal end of caudomedial aspect of femur
(medial lip of caudal rough surface)
adductor
Origin
pelvic symphysis via symphysial tendon
ventral surface of pubis and ischium
Insertion
caudolateral aspect of femur
(entire lateral lip of caudal rough surface of femur)
superficial gluteal
Origin
sacrotuberous ligament; deep gluteal fascia
Insertion
third trochanter of the femur
middle gluteal
Origin
crest and gluteal surface of ilium
Insertion
greater trochanter of the femur
deep gluteal
Origin
body of ilium; ischiatic spine
Insertion
greater trochanter of the femur
internal obturator
Origin
dorsal surface of ischium and pubis
dorsal pelvic symphysis
Insertion
trochanteric fossa of the femur
gemelli
Origin
lateral surface of ischium, ventral to the lesser ischiatic notch
Insertion
trochanteric fossa of the femur
quadratus femoris
Origin
ventral surface of caudal ischium
Insertion
intertrochanteric crest of the femur
external obturator
Origin
ventral surface of pubis and ischium
Insertion
trochanteric fossa of the femur
rectus femoris
Origin
ilium (rectus femoris); proximal aspect of femur
Insertion
tibial tuberosity via the patellar ligament
vastus intermedius and lateralis
Origin
proximal aspect of femur
Insertion
tibial tuberosity via the patellar ligament
iliopsoas
Origin
ventral aspect of lumbar vertebrae; cranioventral ilium
Insertion
lesser trochanter of the femur
cranial tibial
Origin
proximal and lateral aspect of the tibia near the extensor groove
Insertion
proximal plantar surface of metatarsals I and II
long digital extensor
Origin
extensor fossa of the femur
Insertion
extensor processes of distal phalanges digits II, III, IV, and V.
fibularis longus
Origin
lateral collateral ligament; proximal aspect of tibia and fibula
Insertion
tarsal bone IV; plantar aspect of proximal ends of metatarsals
gastrocnemius
Origin
medial and lateral supracondylar tuberosities of the femur
Insertion
tuber calcanei
superficial digital flexor
Origin
lateral supracondylar tuberosity of the femur (in common with with lateral head of the gastrocnemius m.)
Insertion
tuber calcanei; plantar aspect of the base of the middle phalanx of digits II, III, IV, and V
deep digital flexor
Origin
proximal tibia and fibula and adjacent interosseus membrane between the two
Insertion
plantar aspect of the base of the distal phalanx of digits I - V
popliteus
Origin
lateral condyle of femur
Insertion
proximal and caudal aspect of the tibia
