Exam 5 Origins/Insertions Flashcards
Gluteus maximus
O: sacrotuberous ligament, ilium (posterior to posterior gluteal line), sacrum, & coccyx
I: gluteal tuberosity & iliotibial tract (band)
Gluteus medius
O: ilium between anterior and posterior gluteal line
I: Greater trochanter
Gluteus minimus
O: ilium between anterior and inferior gluteal lines
I: Greater trochanter
Piriformis
O: anterior surface of sacrum (inside pelvis)
I: Greater trochanter
Exits through greater sciatic foramen
Obturator Internus (Triceps coxae)
O: Obturator membrane & surrounding bone inside pelvis
I: Greater trochanter
Leaves pelvis through lesser sciatic foramen
Superior Gemellus
O: Ischial spine
I: Tendon of obturator internus
Inferior Gemellus
O: Ischial tuberosity
I: Tendon of obturator internus
Quadratus Femoris
O: Ischial tuberosity
I: Intertrochanteric crest
Anterior Compartment of thigh
Flexors of hip & extensors of knee:
Sartorius, Rectus femoris, vastus lateralis, vastus medialis, vastus intermedius, articularis genu, psoas major, Iliacus, & tensor fascia lata
Sartorius
O: Anterior superior iliac spine
I: Medial to tibial tuberosity (superior part of medial surface of tibia)
Rectus femoris
Part of Quadriceps femoris
O: Anterior inferior iliac spine
I: patella (via Quadriceps femoris tendon)
Vastus lateralis
Part of Quadriceps femoris
O: Linea aspera (lateral lip)
I: Patella (via Quadriceps femoris tendon)
Vastus medialis
Part of Quadriceps femoris
O: Linea aspera (medial lip)
I: Patella (via Quadriceps femoris tendon)
Vastus intermedius
Part of Quadriceps femoris
O: body of femur (anterior side of femoral shaft)
I: Patella (via Quadriceps femoris tendon between other two vastus & under rectus femoris)
Articularis genus
O: Anterior part of femur (at suprapatellar recess)
I: synovial membrane of knee (at knee joint capsule)
Psoas major
O: Lumbar vertebrae
I: Lesser trochanter of femur
Iliacus
O: Iliac crest & fossa
I: Lesser trochanter of femur
Tensor fascia latae
O: Anterior superior iliac spine
I: Iliotibial tract
Medial compartment of thigh
Adductor group:
Pectineus, adductor longus, adductor brevis, adductor magnus, gracilis, obturator externus