Why is My Knee REALLY Puffy? | Physical Therapist Answers

Quick Overview

The puffiness under a person's left knee, which has persisted for over a year and is confirmed as severe osteoarthritis by an X-ray, is a result of the body attempting to protect the joint by generating excess synovial fluid, which is exacerbated by overactive quadriceps and underactive glutes, meaning that draining the fluid will only offer temporary relief unless the root cause—the muscular imbalance—is addressed through targeted exercises.

Key Points: The caller (Daisy from Baltimore, MD) has a puffy left knee area below the kneecap that has persisted for over a year, is not swollen, but feels 'puffy,' and is confirmed as severe osteoarthritis via X-ray. The puffiness is likely due to the body producing excess synovial fluid in an effort to cushion and protect the arthritic joint from excessive pressure, often due to overactive quadriceps and underactive glutes. Dr. David advises against focusing on draining the fluid, as this only provides temporary relief; the focus must shift to fixing the root problem, which is the muscular imbalance. Daisy confirmed she has been doing glute exercises, including kickbacks and swinging her legs while sitting on the side of her bed for 30 minutes a day, which helps move the fluid. If the arthritis is severe (like Daisy's), exercises alone may not resolve the fluid production, and a temporary drain might be necessary, but the long-term solution is correcting the underlying mechanics. Dr. David promotes his Knee Arthritis Recovery Online Program, which includes group coaching and one-on-one coaching options, as a solution to address the root cause of the issue.

Context: Dr. David, a physical therapist, answers a live question from a viewer named Daisy regarding persistent puffiness below her left knee. Daisy describes the feeling as 'puffy' rather than swollen, notes it has been present for over a year, and confirms she has a diagnosis of severe left knee osteoarthritis from an X-ray. The conversation centers on understanding the cause of this fluid accumulation and determining the correct long-term management strategy.