Musculoskeletal Flashcards
In the gluteal region - what are the superficial muscle group?
Gluteus maximus
Gluteus medius
Gluteus minimus
Tensor fascia latae
What function do the gluteal region superficial muscles give?
Extensors, abductors, and medial rotators of thigh
What nerves innervate the gluteal region superficial muscle group?
Superior gluteal
Inferior gluteal - gluteus maximus
What muscles make up the gluteal region deep muscle group?
Piriformis
Obturator internus
Gemelli
Quadratus femoris
What function do the gluteal region deep muscle group have?
Lateral rotators of thigh and hip stabilisers
What nerve innervates the deep muscle group of gluteal region?
Sacral plexus
In the gluteal region - how to nerves enter and exit pelvis and perineum?
Via greater and lesser sciatic foramen
What ligaments form the greater and lesser sciatic foramen?
Sacrotuberous and sacrospinous ligaments
What is the largest nerve in hte body?
Sciatic (L4-S3)
What does the sciatic nerve supply?
Posterior thigh, all leg and foot muscles and most of the skin
What is the principal nerve to perineum?>
Pudendal (S2-S4)
What nerve supplies skin over posterior thigh, popliteal fossa, lateral perineum and upper medial thigh?
Posterior cutaneous nerve of thigh (S1-S3)
Where does the sciatic nerve usually exit?
Inferior to piriformis
Does the sciatic nerve supply anything in the gluteal region?
Nothing
What does the sciatic nerve seperate into in distal thigh?
Tibial nerve and common fibular
What is a fasciotomy used for?
To relieve compartment syndroe
What are the three compartments of thigh?
Anterior, medial and posterior
What are three compartments of leg?
Anterior, posterior and lateral compartments