Hip

Question 1

hip joint

Answer 1

joint between the femur and acetabulum of the pelvis (also called ball and socket joint)

Question 2

hip joint - 3 planes of motion

Answer 2

front and back, side to side, rotating right and left

Question 3

synovial membrane

Answer 3

lubricates joint eliminating friction

Question 4

Hip Surgery - Conditions leading to.. (3)

Answer 4

Osteoarthritis, Rheumatoid Arthritis, Avascular Necrosis

Question 5

Osteoarthritis

Answer 5

wear and tear of cartilage

Question 6

Rheumatoid Artheritis

Answer 6

autoimmume disease, synovium is attacked

Question 7

Avascular Necrosis (AVN)

Answer 7

disease resulting from loss of blood supply to bones

Question 8

4 Common Hip Procedures

Answer 8

Total Hip Arthropasty (THA), Hemi Hip Arthroplasty, Resurfacing Hip Arthroplasty, Hip Revision

Question 9

Prosthesis

Answer 9

device that substitutes or supplements a joint

Question 10

Hemi Hip Arthroplasty

Answer 10

Replaces ball, not socket, most common for fractured hips

Question 11

Hip Surgery - Standard Approaches

Answer 11

Anterior, Anterolateral, Posterolateral

Question 12

Hip Implant Components

Answer 12

Femoral Stem (metal) Femoral Head (ball) (metal or ceramic) Acetabular Shell (Cup) (Outer metal, Inner Plastic)

Question 13

Press-Fit Hip Implants

Answer 13

Porous material press-fit into bone

Question 14

Combination Hip Implants

Answer 14

use cement and press-fit

Question 15

Hip Implant Material Interfaces (3)

Answer 15

Metal-on-Metal (low wear) Ceramic-on-Ceramic (most wear resistant) Metal and Highly Cross-linked Polyethylene (most common, newer)

Question 16

Basic Hip Anatomy

Acetabulum, Femoral Head, Femur Acetabular Labrum, Femoral Neck

Answer 16