Trauma and orthopedic

Question 1

Main purpose of CAM walker boot

Answer 1

Apply and disperse pressure to the shank of the lower leg to relieve weight on the distal leg or foot

Question 2

Main purpose of knee immobilizer

Answer 2

• Used for fx close to knee joint where movement of knee may cause undue stress on injury
• Tibial plateau fx, patella fx, distal femur fx, patellar tendon rupture
• Can also be used when pt is unstable in knee flexion

Question 3

Main purpose of hinge knee brace

Answer 3

• Medial/lateral support, resist tibia rotation
• Limit amount of end range knee ext/flex

Question 4

Main purpose of functional knee brace

Answer 4

• Meant for ACL & PCL injuries/protection
• Limits ant/post translation of the tibia on femur
• Preloads tibia with ant. to post. (vice versa if PCL injury) force applied by the anterior shin strap

Question 5

Main purpose of off loader knee brace

Answer 5

• Place distraction force at medial or lateral femoral- tibia condyles
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Question 6

Purpose of hip spica

Answer 6

• Prevent hip adduction
• Can limit hip ext and/or flex