1. TENS would be used to manage the pain from osteoarthritis of the knee. Specifically, conventional/high TENS with a high frequency of 40-150 Hz, low intensity current of 10-30 mA, and short pulse duration of up to 50 microseconds would be applied for 30-60 minutes.
2. Conventional TENS works by pre-synaptic inhibition to suppress pain signals to the brain and encourage the body's natural painkillers. It can help control arthritis pain without additional drugs.
3. TENS is a safe and effective first-line treatment for many pain conditions, including osteoarthritis of the knee.