Musculoskeletal Disorders Of Lower Extremity

Front 1

Aseptic necrosis of the hip
also known as what?

Back 1

osteonecrosis or avascular necrosis

Front 2

Definition of aseptic necrosis of the hip?

Back 2

loss of blood supply to the trabecular bone which causes a collapse of the femoral head

Front 3

what is trabecular bone?

Back 3

the bone that forms a trabecular network, surrounds marrow spaces that may contain either fatty or hematopoietic tissue, lies subjacent to the cortical bone, and makes up the main portion of a bone

Front 4

At what age does aseptic necrosis occur?

Back 4

Seen at any age but most commonly seen in third to fifth decades

Front 5

is avascular necrosis bilateral?

Back 5

yes

Front 6

What is aseptic necrosis called in children?

Back 6

legg calve perthes

Front 7

at what age does legg clave perthes occur?

Back 7

Between 2-11
peak: 4-8 yrs

Front 8

Cause of aseptic necrosis

Back 8

generally unknown but often seen with trauma, steroid use, alcohol abuse, RA, radiation therapy, and SLE

Front 9

Signs and Symptoms of aseptic necrosis

Back 9

Dull ache
Throbbing pain

Front 10

Where is the pain located with aspectic necrosis?

Back 10

Localized to:
groin
lateral hip
buttocks

Front 11

Signs and Symptoms of avascular necrosis

Back 11

pain with weight bearing activities

loss of internal and external rotation

loss of abduction

antalgic limp

Front 12

When is pain relieved in avascular necrosis?

Back 12

with rest

Front 13

Complications of avascular necrosis

Back 13

osteoarthritis
Femoral head collapse
disability