A new knee

Walking is central to recovery after a knee replacement. Your surgeon and physical therapist set the pace; this fits around their plan.

Follow your rehab plan#

Physical therapy exercises for bending and straightening the knee matter as much as walking. Ask your therapist when a treadmill is OK and whether to use a walker or cane at first.

On the treadmill#

Start at the slowest speed, flat, holding both rails.
Take even steps: heel down first, then roll through the foot.
Short sessions, a few times a day, beat one long one early on.
Ice and elevate afterwards if your team recommends it.

What's normal#

Swelling, stiffness and some aching for weeks to months are common, and many people feel big improvements by three to six months.

Call your surgeon if#

The wound is red, warm, leaking or opening, you have a fever, your calf is painful or swollen, or pain suddenly gets much worse.

Walking with arthritis → Joint-friendly walking →

Last reviewed October 30, 2026 · Updated November 1, 2026 · Sources · General information, not medical advice.

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