Hip Region 2 Flashcards
(42 cards)
Which 2 things pass through the greater sciatic foramen?
Sciatic nerve
Piriformis muscle
What is the function of gluteus maximus?
Extensor of hip and lateral rotator
What is the function of gluteus medius and minimus?
Abductors of hip
Medial rotators
Pelvic stabilisers - prevent falling when standing on one leg (anti gravity muscle)
When is gluteus maximus used?
When acting against gravity,
e.g. standing up/climbing stairs
Which ligament does gluteus maximus attach to?
Sacrotuberous ligament
What is the fascia lata?
Deep fascia of the thigh
What is the iliotibial tract?
Longitudinal fibrous reinforcement of the fascia lata
Which nerve roots supply gluteus maximus?
L5, S1 and S2
Which nerve root supplying gluteus max is commonly damaged?
L5
Why does weightlifting cause lateral knee pain?
Over use of gluteus maximus - stretching of the iliotibial band
What is the distal attachment of gluteus medius and gluteus minimus?
Greater trochanter of femur
Which muscles are the lateral rotators of the hip?
Quadratus femoris Piriformis Superior gemellus Inferior gemellus Obturator internus
What does the perforating cutaneous nerve perforate?
Sacrotuberous ligament
Which 3 arteries supply the gluteal region?
Superior gluteal artery
Inferior gluteal artery
Internal pudendal artery
What is the safe region for a gluteal injection?
Upper lateral quadrant (avoids sciatic nerve)
Do children have a higher or lower angle of inclination?
Higher
Coxa valga
What are symptoms of sciatic nerve damage?
Pain and paralysis from knee joint down
Foot drop
What are the three nerves of the thigh?
Femoral
Obturator
Sciatic
What are the three openings from the abdomen/pelvis?
Femoral (unnamed)
Obturator canal
Greater sciatic foramen
What is the blood supply to the medial and posterior compartments of the thigh?
Profunda femoris artery
What are the 7 muscles of the anterior thigh?
Vastus medialis Vastus lateralis Psoas major Iliacus Rectus femoris Sartorius Pectineus
What are the 6 muscles of the medial thigh?
Adductor brevis Adductor longus Adductor magnus Gracilis Obturator externus Pectineus
What are the 3 muscles of the posterior thigh?
Semimembranosus
Semitendinosus
Biceps femoris (long and short heads)
What kind of joint is the knee joint?
Hinge joint