TENS Unit for Knee Pain: Placement, Settings & Safety
Knee pain is one of the most common reasons people try TENS. This guide shows safe pad placement, beginner-friendly settings, and how to get the most relief without overdoing it.
Quick Start Placement
- Place one pad on the inside of the knee (medial)
- Place one pad on the outside of the knee (lateral)
- Keep pads 1–3 inches apart
If you're unsure about safe placement, see the full: electrode placement guide.
Pad Placement Options
Option 1: Medial + Lateral (Most Common)
Place pads on each side of the kneecap. Avoid placing directly on the kneecap itself.
Option 2: Above the Knee (Quadriceps)
For pain above the knee, place pads on the lower quadriceps, 2–4 inches above the kneecap.
Option 3: Below the Knee (Tendon/Patellar Area)
If pain is below the knee, place pads around the patellar tendon (not directly over it).
Starter Settings
Use these as a baseline and adjust based on comfort:
- Frequency: 80–100 Hz (fast relief) or 2–10 Hz (longer-lasting relief)
- Pulse width: 100–150 µs
- Intensity: strong but comfortable tingling (not painful)
If your device doesn't show Hz/µs, try a “normal” or “continuous” TENS mode at a comfortable intensity.
Session Length & Frequency
Start with 15–20 minutes per session. Many people use 20–30 minutes, 1–3 times per day. If skin irritation occurs, reduce time and rotate pad placement.
Safety Tips
For full safety guidelines, see: Are TENS Units Safe?.
FAQs
Where should I place TENS pads for knee pain?
Most people place pads on either side of the kneecap (medial and lateral). Avoid placing directly on the kneecap itself. For pain above or below the knee, move pads to the surrounding muscles.
What TENS settings are best for knee pain?
A common starting point is 80–100 Hz with a pulse width around 100–150 µs. If you prefer slower pulsing, try 2–10 Hz for longer-lasting relief.
Can TENS help knee arthritis pain?
TENS is commonly used for osteoarthritis-related pain and can provide temporary relief. It does not treat the underlying joint damage.
How long should a TENS session be for knee pain?
Start with 15–20 minutes per session. Many people use 20–30 minutes, 1–3 times per day.
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