Sometimes we can think about how our body weight could affect our joint knee pain, but may not realize how traumatic effects while adding 10 pounds to our frame can be. Naturally added body weight puts extra load on joints increases the stress on the joint surfaces and can accelerate the breakdown of cartilage. However did you know that for every extra pound of body weight, it is about 4 pounds extra force placed on the knee joint during walking. So 10 pounds of added bodyweight increases the joint forces in the knee to 40 pounds with each step! Now multiply that by 5,000 steps you can take each day ... Wow ! That's 20,000 pounds of accumulative forces and knee joints must withstand every day . It is no wonder that people who are in the top 20% for body weight have 10 times the risk of knee osteoarthritis compared to those in the lowest 20%.
What if you walk on a hill ... How does the joint forces are comparable to walking on flat ground? These joint forces are now 3-4 times the strength to walk on flat surfaces. This we think how to wear high heels can affect the knee joint? In fact knee joint forces women to wear high heel shoes compared to barefoot walking are 23% more .
So if excess weight increases the development and progression of knee osteoarthritis could ... weight loss potentially reverse these effects? Well for women of average size for each weight loss of 11 pounds the risk of knee osteoarthritis has fallen about 50%. The researchers demonstrated that a 10% reduction in body weight in overweight elderly men decreased the risk of osteoarthritis of 21.5% and 33% in women. Other studies have shown that a similar weight loss in overweight people with knee osteoarthritis pain reduction 30% and improved function 24%.
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Jeff Gilliam, PT, PhD, OCS
Jeff Gilliam PT PhD: is a specialist in weight loss, who studied in detail in the areas of health behavior, exercise physiology and nutritional biochemistry at the University of Florida. Jeff taught a course at the University of Florida called "Search Applications to obesity and weight loss." He also taught for UF DPT program to promote health and well-being "and" Evidence Based Practice III '. His doctoral research was in the area of effective behavioral interventions for obesity and its associated diseases. He is the founder of choice of doctors for weight loss Loss a program of life / Successful weight, which can be found in more than 40 clinics in the US Southeast. He is currently clinical director of ReQuest Physical Therapy (Gainesville, Florida) and integrates the loss of life program / weight in physical therapy for his patients to help them achieve their healthy body weight.
Jeff Gilliam is an orthopedic specialist certified by the American Board of Physical Therapy Specialties.
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