2.7.2. Control group 2.
KOA
BEND
In the first session, the patients in control group 2 received health education about the risk factors of KOA. The researcher did not visit these patients at home because they received no intervention. However, the researcher called these patients for follow-up purposes and to check their adherence to regular therapy given by clinicians. These patients received routine exercise and education at the center, including hip and knee flexion, short arc quad, straight leg raise, and long arc quad, as described below:Step 1: Hip and knee flexion:Lying straight on your back, bend your knee and hip.Your kneecaps must point toward the ceiling.Hold your knee in the position for 5 seconds, then return to the start position.Step 2: Short arc quadPlace a firm roll or a rolled towel under your knee.Straighten the knee to lift your foot off the bed.Hold it in this position for 5 seconds. Slowly lower the foot down to the bed.Step 3: Straight leg raiseLie on your back and put 1 leg in a comfortable position.Slowly raise the other painful leg, keeping the knee straight.Hold the knee in this position for 5 seconds and slowly lower your leg.Step 4: Long arc quadSitting on a chair with your thigh supported, lift your foot until your knee is completely straight.Hold your knee in this position for 5 seconds.Slowly return to the starting position and relax.