Muscles of Hip and Thigh Flashcards
Gluteus Maximus
Proximal Attachment Gluteal surface of ilium posterior to posterior gluteal line Posterior iliac crest Posterior Sacrum Sacrotuberous ligament
Distal Attachment
Gluteal tuberosity of femur
Iliotibial tract
Action
Hip Extension
Hip External rotation
Gluteus Medius
Proximal Attachment
Gluteal surface of ilium between posterior and anterior gluteal lines
Distal Attachment
Greater trochanter of femur
Action
Hip abduction
Hip internal rotation
Gluteus Minimus
Proximal Attachment
Gluteal surface of ilium between anterior and inferior gluteal lines
Distal Attachment
Greater trochanter of femur
Action
Hip abduction
Hip internal rotation
Iliacus
Proximal Attachment
Upper and posterior two thirds of iliac fossa
Distal Attachment
Lesser trochanter of femur (joins psoas major)
Action
Hip flexion
Psoas Major
Proximal Attachment
Transverse processes of lumbar vertebrae 1 - 5
Distal Attachment
Lesser trochanter of femur
Action
Hip flexion
Piriformis
Proximal Attachment
Anterior aspects of 2-4 sacral segments
Sacrotuberous ligament
Distal Attachment
Medial side of greater trochanter of femur
Action
Hip external rotation
Superior Gemellus
Proximal Attachment
Gluteal surface of ischial spine
Distal Attachment
Medial surface of greater trochanter via tendon of obturator internus
Action
Hip external rotation
Obturator Internus
Proximal Attachment
Internal surface of obturator membrane and adjacent bone
Distal Attachment
Medial surface of greater trochanter
Action
Hip external rotation
Inferior Gemellus
Proximal Attachment
Upper part of ischial tuberosity
Distal Attachment
Medial surface of greater trochanter via tendon of obturator internus
Action
Hip external rotation
Obturator Externus
Proximal Attachments
Outer surface of obturator membrane and adjacent bone
Distal Attachment
Trochanteric fossa of femur
Action
Hip external rotation
Quadratus Femoris
Proximal Attachment
Ischial tuberosity
Distal Attachment
Quadrate tubercle of femur
Action
Hip external rotation
