Midfoot Arthritis
What is midfoot arthritis?
Midfoot arthritis is a condition that develops when the cartilage within the joints of the middle portion of the foot gradually wears away. Cartilage is the smooth, protective tissue that covers the ends of bones and allows joints to move comfortably. When cartilage becomes damaged or deteriorates, the bones can begin to rub together, causing pain, stiffness, swelling, and difficulty with everyday activities, affecting quality of life.
The midfoot consists of several small joints that connect the long bones of the foot to the bones closer to the ankle. These joints play an important role in maintaining the arch of the foot and providing stability during standing, walking, climbing stairs, and other weight-bearing activities.
Although arthritis can occur in many parts of the body, arthritis affecting the midfoot can be particularly troublesome because every step places stress on these joints. Over time, symptoms may make it increasingly difficult to remain active and perform routine daily tasks.
The symptoms of midfoot arthritis often develop slowly and may worsen over time. Many people initially dismiss the discomfort as normal aging or temporary foot pain. However, persistent symptoms should not be ignored.
Pain is the most common symptom. Many patients describe an aching sensation in the middle of the foot that worsens with standing, walking, or physical activity. The pain is often located on the top of the foot but may also be felt deeper within the arch.
Stiffness is another frequent complaint. Some individuals notice that their foot feels stiff when getting out of bed in the morning or after sitting for extended periods. Movement may improve somewhat as the foot warms up, but symptoms often return with activity.
Swelling may occur around the affected joints. The top of the foot can appear puffy or enlarged, especially after prolonged standing or walking. The swelling may come and go or become more persistent as arthritis progresses.
Tenderness is common. Pressing on the affected joints may produce discomfort, particularly over the middle portion of the foot.
Many patients develop difficulty walking on uneven surfaces. Activities such as hiking, walking on grass, or navigating stairs may become increasingly uncomfortable.
Some individuals notice changes in the shape of their foot. Bony enlargements, sometimes referred to as bone spurs, may develop around arthritic joints and create visible bumps on the top of the foot.
As symptoms worsen, people may alter the way they walk to avoid discomfort. This change in walking mechanics can sometimes lead to pain in other areas, including the ankle, knee, hip, or lower back.
The most common cause is osteoarthritis, often referred to as “wear-and-tear” arthritis. Over time, the cartilage within the joints gradually deteriorates due to years of use. This process becomes more common with advancing age.
Previous injuries are another major cause. Fractures, dislocations, or severe sprains involving the midfoot can damage the cartilage and joint surfaces. Even when an injury appears to heal successfully, arthritis may develop years later. This is known as post-traumatic arthritis.
Certain foot injuries are particularly associated with later arthritis development. Damage to the ligaments and joints of the midfoot can create instability, leading to abnormal joint movement and accelerated cartilage wear.
Inflammatory forms of arthritis may also affect the midfoot. Conditions such as rheumatoid arthritis involve the body’s immune system attacking healthy joint tissues, leading to inflammation and joint damage.
Abnormal foot structure can increase stress on the midfoot joints. Individuals with high arches, flat feet, or other structural abnormalities may experience uneven weight distribution that contributes to joint degeneration over time.
Excess body weight can place additional pressure on the joints of the foot. Because the feet support the body’s weight throughout the day, increased forces may accelerate cartilage breakdown in susceptible individuals.
Genetics may also play a role. Some people may inherit a tendency toward developing arthritis or certain foot structures that increase their risk.
An orthopedic specialist at Orthopedic Associates of Northern California will first discuss the patient’s symptoms, including when the pain began, where it is located, and which activities make it worse. Information about previous foot injuries, medical conditions, and activity levels can provide important clues.
During the physical examination, the foot is carefully evaluated for swelling, tenderness, stiffness, and visible deformities. The provider may press on specific joints to identify the source of pain and assess how the foot moves during walking and standing.
Observation of the patient’s gait is often helpful. Changes in walking patterns may indicate which joints are affected and how significantly the arthritis is impacting function.
Imaging studies are commonly used to confirm the diagnosis. Standard X-rays are often the first imaging test performed. They can reveal narrowing of joint spaces, bone spurs, changes in bone alignment, and other signs of arthritis.
In some situations, additional imaging studies may be recommended. Computed tomography (CT) scans provide detailed images of the bones and joints and can help evaluate complex cases. Magnetic resonance imaging (MRI) may be used when more information about cartilage, ligaments, and surrounding soft tissues is needed.
Blood tests are not typically required for osteoarthritis but may be helpful when an inflammatory arthritis condition is suspected.
An accurate diagnosis is important because several conditions can cause pain in the middle of the foot. Stress fractures, tendon injuries, nerve disorders, and other foot conditions may produce symptoms similar to those of midfoot arthritis. A comprehensive evaluation helps determine the exact cause of symptoms and provides a clear understanding of the condition affecting the foot.
When you have foot pain, contact the Orthopedic Associates of Northern California to schedule a consultation at our Chico, California offices. Don’t let foot pain interfere with the quality of your life.
