Muscles-Anterior and medial thigh Flashcards
Pectineus
attachments
superior ramus of pubis AND pectineal line of femur
Pectineus
action
Adducts, flexes, and medially rotates thigh
Pectineus
innervation
Femoral (L2-L3)
Sartorius
attachments
ASIS AND inferior to medial condyle of tibia via the pes anserinus
Sartorius
action
Abducts, flexes, and laterally rotates thigh; flexes and medially rotates leg
Sartorius
innervation
Femoral (L2-L3)
Rectus femoris
attachments
AIIS AND patellar tendon including patella to tibial tuberosity
Rectus femoris
action
Flexes thigh; extends leg
Rectus femoris
innervation
Femoral (L2-L4)
Vastus lateralis
attachments
greater trochanter of femur, linea aspera of femur AND patellar tendon including patella to tibial tuberosity, lateral patellar retinaculum to lateral patella and lateral condyle of tibia
Vastus lateralis
action
Extends leg
Vastus lateralis
innervation
Femoral (L2-L4)
Vastus medialis
attachments
intertrochanteric line of femur, linea aspera of femur AND patellar tendon, including patella, to tibial tuberosity, medial patellar retinaculum to medial patella and medial condyle of tibia
Vastus medialis
action
Extends leg
Vastus medialis
innervation
Femoral (L2-L4)
Vastus intermedius
attachments
anterior surface of femur AND patellar tendon including patella to the tibial tuberosity
Vastus intermedius
action
Extends leg
Vastus intermedius
innervation
Femoral (L2-L4)
Adductor longus
attachments
Body of pubis AND linea aspera of femur
Adductor longus
action
Adducts and flexes thigh
Adductor longus
innervation
Obturator nerve (L2-L4)
Adductor brevis
attachments
Body and inferior ramus of pubis AND pectineal line of femur, linea aspera of femur
Adductor brevis
action
Adducts and flexes thigh
Adductor brevis
innervation
Obturator (L2-L4)
Adductor magnus-adductor part
attachments
ischiopubic ramus AND gluteal tuberosity, linea aspera, and medial supracondylar line of femur
Adductor magnus-adductor part
action
Flexes thigh (whole muscle adducts thigh)
Adductor magnus-adductor part
innervation
Obturator (L2-L4)
Adductor magnus-hamstring part
attachments
Ischial tuberosity AND adductor tubercle of femur
Adductor magnus-hamstring part
action
Extends thigh or trunk (whole muscle adducts thigh)
Adductor magnus-hamstring part
innervation
Tibial (L4)
Gracilis
attachments
body and inferior ramus of pubis AND inferior to medial condyle of tibia via the pes anserinus
Gracilis
action
adducts thigh, flexes and medially rotates leg
Gracilis
innervation
Obturator (L2-L3)
Obturator externus
attachments
margins of obturator foramen externally, external surface of obturator membrane AND trochanteric fossa of femur
Obturator externus
action
laterally rotates thigh
Obturator externus
innervation
(L3-L4)
