Muscles Flashcards
Tensor fascia Lata
Origin
Crest of the ilium
Tensor fascia Lata
Insertion
Iliotibial tract
Tensor fascia Lata
Actions
- Flexes, abducts, and medially rotates femur
- Help stabilize knee joint
Gluteus Maximus
origin
Posterior gluteal line
Sacrum and coccyx
Posterior ligaments of the sacroiliac joint
Gluteus Maximus
Insertion
Gluteal tuberosity/femur
Iliotibial tract
Gluteus Maximus
Nerve supply
Inferior gluteal (L5,S1,S2)
Tensor fascia lata
nerve supply
Superior gluteal (L4,L5, S1)
Gluteus Maximus
Actions
Extends and laterally rotates femur
Help stabilize pelvic bone
Stabilize knee joint
Gracilis origin
Ramus/ischium and inferior ramus
Gracilis
Insertion
Superior medial shaft tibia
Gracilis
Actions
Adducts femur
Flexes leg @ knee joint
Gracilis
Nerve supply
Obturator (L2,3,4)
Pectineus
origin
Superior ramus
Pectineus
Insertion
Pectineus line and lines aspersions/femur
Pectineus
Actions
Adducts the femur
Flexion @hip joint
Pectineus
nerve supply
Femoral L2,3,4) and obturator (L2,3,4)
Adductor Longus
Origin
Superior ramus/pubis
Adductor Longus
Insertion
Linea aspera/femur
Adductor Longus
Nerve supply
Obturator nerve (L2,3,4)
Adductor brevis
Origin
Inferior ramus/pubis
Adductor brevis
Insertion
Pectineus line and lines aspersions of femur
Adductor brevis
Action
Adducts femur
Adductor brevis
Nerve supply
Obturator (L2,3,4)
Adductor magnus
Origin
Rami/ischium and pubis
Adductor magnus
Insertion
Lines aspera and adductor tubercle/femur
Adductor magnus
Actions
Adducts the femur
Extends femur at hip joint
Adductor magnus
Nerve supply
Obturator (L2,3,4) & sciatic (L4-S3)
Sartorius
Origin
Anterior superior Iliac spine