Anterior Thigh Flashcards
Sartorius
Origin
ASIS
Sartorius
Insertion
Proximal shaft of the medial tibia (Pes Anserine)
Sartorius
Innervation
Femoral Nerve (L2-L4)
Sartorius
Action
Thigh: Flexion, abduction, lateral rotation
Leg: Flexion, medial rotation
Rectus Femoris
Origin
Straight head: AIIS
Reflected head: groove of acetabulum
Rectus Femoris
Insertion
Tibial Tuberosity
Rectus Femoris
Innervation
Femoral Nerve (L2-L4)
Rectus Femoris
Action
Thigh: Flexion
Leg: Extension
Vastus Lateralis
Origin
Greater trochanter, lateral lip of linea aspera
Vastus Lateralis
Insertion
Tibial tuberosity
Vastus Lateralis
Innervation
Femoral Nerve (L2-L4)
Vastus Lateralis
Action
Leg: Extension
Closed chain: mild lateral rotation
Vastus Medialis
Origin
Intertrochanteric line, medial lip of linea aspera
Vastus Medialis
Insertion
Tibial tuberosity
Vastus Medialis
Innervation
Femoral Nerve (L2-L4)
Vastus Medialis
Action
Leg: Extension
Closed chain: mild lateral rotation
Vastus Intermedius
Origin
Anterior Femoral diaphysis
Vastus Intermedius
Insertion
Tibial tuberosity
Vastus Intermedius
Innervation
Femoral Nerve (L2-L4)
Vastus Intermedius
Action
Leg: Extension
Articularis Genu
Origin
Distal anterior femur
Articularis Genu
Insertion
Superior synovial membrane of knee joint
Articularis Genu
Innervation
Femoral Nerve (L2-L4)
Articularis Genu
Action
Draws the synovial membrane superiority during leg extension to prevent compression
Psoas Major
Origin
TP, IVD, and lateral bodies of T12-L4
Psoas Major
Insertion
Lesser trochanter as the iliopsoas muscle
Psoas Major
Innervation
Ventral Rami (L1-L3)
Psoas Major
Action
Thigh: Flexion, lateral rotation
Closed Chain: trunk flexion
Iliacus
Origin
Iliac fossa
Iliacus
Insertion
Lesser trochanter as the iliopsoas muscle
Iliacus
Innervation
Femoral Nerve (L2-L4)
Iliacus
Action
Thigh: Flexion, lateral rotation
Closed Chain: trunk flexion
Pectineus
Origin
Pectineal line of pubis
Pectineus
Insertion
Pectineal line of femur
Pectineus
Innervation
Femoral Nerve (L2-L4) Obturator Nerve (L2-L4)
Pectineus
Action
Thigh: flexion, adduction
Adductor Longus
Origin
Pubic body
Adductor Longus
Insertion
Linea aspera in the middle third of femur
Adductor Longus
Innervation
Obturator Nerve (L2-L4)
Adductor Longus
Action
Thigh: flexion, adduction
Adductor Brevis
Origin
Inferior pubic ramus
Adductor Brevis
Insertion
Pectineal line of femur
Adductor Brevis
Innervation
Obturator Nerve (L2-L4)
Adductor Brevis
Action
Thigh: flexion, adduction
Adductor Magnus
Origin
Adductor part: ischiopubic ramus
Hamstring part: ischial tuberosity
Adductor Magnus
Insertion
Adductor part: proximal 2/3rd of linea aspera, medial supracondylar line
Hamstring part: adductor tubercle
Adductor Magnus
Innervation
Adductor part: Obturator Nerve (L2-L4)
Hamstring part: Tibial part of Sciatic Nerve (L4-S3)
Adductor Magnus
Action
Thigh: adduction
Adductor part: thigh flexion
Hamstring part: thigh extension
Gracilis
Origin
Pubic body, inferior pubic ramus
Gracilis
Insertion
Proximal shaft of medial tibia (Pes Anserine)
Gracilis
Innervation
Obturator Nerve (L2-L4)
Gracilis
Action
Thigh: adduction
Leg: flexion, medial rotation
Obturator Externus
Origin
External margins of obturator foramen, external surface of obturator membrane
Obturator Externus
Insertion
Trochanteric fossa of femur
Obturator Externus
Innervation
Obturator Nerve (L2-L4)
Obturator Externus
Action
Thigh: lateral rotation