Thigh Muscles/Ligaments & Hip Rotators Flashcards
Fascia
Connective tissue that runs throughout the body to provide structure and support. (Some parts of the body’s fascia are named)
Fascia of the thigh is called the _______________.
Fascia Lata
Fascia Lata
Connective tissue that invests throughout the thigh and surrounds the thigh muscles in a dense tubular sheath
Iliotibial Band
-Fascia Lata thickens laterally - this very strong part of the fascia lata is called the iliotibial band
-Attatches: superiorly to the tubricle of the iliac crest and inferiorly to Gerdy’s Tubricle and Patella
Psoas Major (Attachment)
-Superior/Proximal attachment: Sides of T-12-L4 vertebrae and the associated intervertebral disks
-Inferior/Distal attachment: Lesser trochanter of the femur
Psoas Major (Action)
Action: Works with iliacus to flex the hip joint (when low back is fixed and femur is moving
Action: Flexes the lumbar spine (when femur is fixed and low back is moving)
What is the prime mover for hip flexion?
Psoas Major
Iliacus (Attachment)
Superior/Proximal attachment: Iliac Fossa
Inferior/Distal attachment: Lesser Trochanter
Iliacus (Action)
-Action: Works with Psoas Major to flex the hip joint (when pelvis is fixed and Femur is moving)
-Action: Pulls the hip bone anteriorly (when Femur is fixed and Pelvis is moving)
Gluteus Maximus (Attachment)
Superior/Proximal attachment: External and posterior surface of the ilium, posterior surface of the sacrum and coccyx, sacrotuberous ligament
Inferior/Distal attachment: 3/4 of the fibres attach into the iliotibial band, 1/4 of the fibres attach to the gluteal tuberosity
Gluteus Maximus (Action)
Action: Hip joint extension (Prime Mover)
Action: Hip joint lateral rotation
Action: Hip abduction
What is the prime mover for hip extension?
Gluteus Maximus
What is the prime mover for hip abduction?
Gluteus Medius
Gluteus Medius (Pelvic Deltoid) (Attachment)
-Superior/Proximal attachment: external Illium (anterior 2/3rds)
-Inferior/Distal attachment: Lateral surface of the Greater Trochanter
Gluteus Medius (Pelvic Deltoid) (Action)
-Action: Hip joint abduction (Prime Mover)
-Action: Anterior Fibres - hip joint flexion and medial rotation
-Action: Posterior Fibres - hip joint extension and lateral rotation