Introduction To Knee Orthoses

Question 1

The human knee is often fitted with an orthosis as treatment for an injury. The orthosis knee hinge attempts to match normal knee motion. The human knee is a

Answer 1

Polycentric Joint

Question 2

Medial and lateral instability of the knee is a common problem for which knee orthoses are prescribed. What are the 2 knee conditions that are informally described as knock knee and bowleg?

Answer 2

Genu Valgum and Varum

Question 3

Below are possible explanations for an unsuccessful orthotic intervention in managing difficult fit. Mark the one that does not belong.

Answer 3

Orthosis Color Selection

Question 4

Name the knee joint ligament that is most often injured in athletic activities that involve planting the foot and turning or twisting:

Answer 4

Anterior Cruciate

Question 5

Patients experiencing unicompartmental knee pain related to a mal-aligned knee posture can sometimes benefit from a knee orthosis that redirects axial loading forces away from the side of the knee that hurts.

The 3 point pressure system that would realign a knock knee (valgus knee) to a straighter and potentially more comfortable alignment consists of:

Answer 5

• A laterally directed force at the medial knee

- 2 medial directed counter forces at the lateral distal calf and lateral proximal thigh