Anterior and Medial Hip and Thigh. Flashcards
What is the origin of the Iliopsoas muscle?
Transverse processes and bodies of lumbar vertebrae; Iliac fossa of ilium
What is the insertion of the Iliopsoas muscle?
Lesser trochanter of femur
What actions does the Iliopsoas muscle perform?
Flexion of thigh at hip joint, flexion of trunk on the hip when sitting from a reclined position
What is the innervation of the Iliopsoas muscle?
Lumbar nerves L1-L3 (psoas major); Femoral n. (iliacus)
What is the blood supply of the Iliopsoas muscle?
Lumbar arteries, Subcostal a., iliolumbar a.
What is the origin of the Sartorius muscle?
Anterior superior iliac spine of ilium
What is the insertion of the Sartorius muscle?
Upper medial surface of tibia
What actions does the Sartorius muscle perform?
Abduction of thigh, flexion of thigh, lateral rotation of thigh, flexion of leg
What is the innervation of the Sartorius muscle?
Femoral N.
What is the blood supply of the Sartorius muscle?
Femoral artery
What is the origin of the Rectus femoris muscle?
Anterior inferior iliac spine of ilium
What is the insertion of the Rectus femoris muscle?
Tibial tuberosity of tibia via quadriceps tendon & patellar ligament
What actions does the Rectus femoris muscle perform?
Flexion of thigh, extension of leg
What is the innervation of the Rectus femoris muscle?
Femoral n.
What is the blood supply of the Rectus femoris muscle?
Profunda femoris, femoral a.
What is the origin of the Vastus lateralis muscle?
Greater trochanter of femur, linea aspera of femur
What is the insertion of the Vastus lateralis muscle?
Tibial tuberosity of tibia via quadriceps tendon & patellar ligament
What action does the Vastus lateralis muscle perform?
Extension of leg
What is the innervation of the Vastus lateralis muscle?
Femoral n.
What is the blood supply of the Vastus lateralis muscle?
Femoral a., profunda femoris
What is the origin of the Vastus intermedius muscle?
Anterolateral surface of femur
What is the insertion of the Vastus intermedius muscle?
Tibial tuberosity of tibia via quadriceps tendon & patellar ligament
What action does the Vastus intermedius muscle perform?
Extension of leg
What is the innervation of the Vastus intermedius muscle?
Femoral n.
What is the blood supply of the Vastus intermedius muscle?
Femoral a., profunda femoris
What is the origin of the Vastus medialis muscle?
Linea aspera of femur
What is the insertion of the Vastus medialis muscle?
Tibial tuberosity of tibia via quadriceps tendon & patellar ligament
What action does the Vastus medialis muscle perform?
Extension of leg
What is the innervation of the Vastus medialis muscle?
Femoral n.
What is the blood supply of the Vastus medialis muscle?
Femoral a., profunda femoris
What is the origin of the Gracilis muscle?
Body and inferior ramus of pubis
What is the insertion of the Gracilis muscle?
Proximal medial surface of tibia (pes anserine)
What actions does the Gracilis muscle perform?
Adduction of thigh, flexion of leg, medial rotation of leg when leg is flexed
What is the innervation of the Gracilis muscle?
Obturator N.
What is the blood supply of the Gracilis muscle?
Obturator a.
What is the origin of the Pectineus muscle?
Superior ramus of pubis
What is the insertion of the Pectineus muscle?
Between lesser trochanter of femur and linea aspera of femur (at the pectineal line)
What actions does the Pectineus muscle perform?
Adduction of thigh, flexion of thigh, assist medial rotation
What is the innervation of the Pectineus muscle?
Femoral N. (sometimes obturator n.)
What is the blood supply of the Pectineus muscle?
Femoral a. and Obturator a.
What is the origin of the Adductor longus muscle?
Body of pubis
What is the insertion of the Adductor longus muscle?
Linea aspera of femur (middle 1/3)
What actions does the Adductor longus muscle perform?
Adduction of thigh, flexion of thigh
What is the innervation of the Adductor longus muscle?
Obturator N.
What is the blood supply of the Adductor longus muscle?
Obturator a., femoral a.
What are the origins of the Adductor magnus muscle?
Adductor part: inferior ramus of pubis and ramus of ischium; Hamstring part: ischial tuberosity of ischium
What are the insertions of the Adductor magnus muscle?
Adductor part: linea aspera of femur, adductor tubercle of femur; Hamstring part: adductor tubercle of femur
What actions does the Adductor magnus muscle perform?
Adducts thigh; adductor part also flexes thigh; hamstring part also extends thigh
What is the innervation of the Adductor magnus muscle?
Obturator N. (adductor part); Tibial N. (hamstring part)
What is the blood supply of the Adductor magnus muscle?
Obturator a., deep femoral a., femoral a.