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Supination and pronation describe the natural rolling motion of the foot during standing, walking, and running. Pronation occurs when the foot rolls inward to absorb shock and adapt to the ground, while supination occurs when the foot rolls outward, placing more weight along the outer edge. Proper balance between these motions supports healthy alignment and efficient movement. Genetics, foot structure, muscle imbalance, previous injuries, and improper footwear can contribute to excessive pronation or supination. Abnormal mechanics may lead to heel pain, ankle instability, shin splints, or knee discomfort. A podiatrist can evaluate gait, identify underlying causes, and recommend custom orthotics or supportive treatment. If you have foot pain from walking in a specific way,  it is suggested that you consult a podiatrist who can treat various foot conditions and monitor your foot health. 

If you have any concerns about your feet, contact one of our podiatrists from McKinney Podiatric Associates, PA. Our doctors can provide the care you need to keep you pain-free and on your feet.

Biomechanics in Podiatry

Podiatric biomechanics is a particular sector of specialty podiatry with licensed practitioners who are trained to diagnose and treat conditions affecting the foot, ankle and lower leg. Biomechanics deals with the forces that act against the body, causing an interference with the biological structures. It focuses on the movement of the ankle, the foot and the forces that interact with them.

A History of Biomechanics

• Biomechanics dates back to the BC era in Egypt where evidence of professional foot care has been recorded.
• In 1974, biomechanics gained a higher profile from the studies of Merton Root, who claimed that by changing or controlling the forces between the ankle and the foot, corrections or conditions could be implemented to gain strength and coordination in the area.

Modern technological improvements are based on past theories and therapeutic processes that provide a better understanding of podiatric concepts for biomechanics. Computers can provide accurate information about the forces and patterns of the feet and lower legs.

Understanding biomechanics of the feet can help improve and eliminate pain, stopping further stress to the foot.

If you have any questions please feel free to contact one of our offices located in Pasadena, Baytown, League City, Houston, and Pearland,TX . We offer the newest diagnostic and treatment technologies for all your foot and ankle needs.

Following an ankle fracture, balance can remain altered even once the bone has healed. Time spent in a cast or boot often leads to muscle weakness and reduced joint awareness, which can affect how the body stays upright. Evaluation looks at how weight is shared between both feet, then gradually challenges the injured side to assess control. Small movements, such as swaying, hesitation, or dependence on support, may indicate reduced stability. Testing may also involve gentle changes in position or surface to observe how the ankle adapts. Lingering pain, stiffness, or lack of confidence can further influence balance. Identifying these issues early helps reduce fall risk and supports a safer return to daily activities. Focused care aims to rebuild strength, coordination, and trust in the ankle. If you have sustained an ankle fracture and standing feels unsteady or balance has not fully returned, it is suggested that you see a podiatrist to have your progress assessed and receive appropriate treatment.

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Swollen ankles and feet can develop for many reasons, ranging from simple fluid buildup after a long day to circulation problems, vein issues, medication effects, or conditions such as diabetes and arthritis. The swelling may feel tight, heavy, or warm, and shoes may suddenly feel snug. Some people notice puffiness that improves with rest, while others see persistent fullness that returns each day. Because the feet and ankles sit far from the heart, they are especially sensitive to changes in circulation and pressure. A podiatrist can evaluate the pattern of swelling, check skin and nail health, assess circulation, and identify whether the cause is mechanical, inflammatory, or related to an underlying medical condition. Treatment may include wearing supportive footwear, targeted compression, activity guidance, or wound care if the skin becomes affected. If swelling continues or begins to limit daily movement, it is suggested that you see a podiatrist for effective relief solutions.

Swollen feet can be a sign of an underlying condition. If you have any concerns, contact one of our podiatrists of McKinney Podiatric Associates, PA. Our doctors can provide the care you need to keep you pain-free and on your feet.

Swollen feet are a common ailment among pregnant women and people who stand or sit for extended periods. Aging may increase the possibility of swollen feet and patients who are obese often notice when their feet are swelling too. There may be medical reasons why swollen feet occur:

• Phlebitis - A condition that causes the veins to become inflamed and can also cause leg pain.
• Liver disease - This may lead to low blood levels of albumin which is a protein. This can cause fluid in the blood to pass into the tissues and several areas of the body can become swollen.
• Heart failure - When the heart doesn’t pump properly the blood that is normally pumped back to the heart can pool in the veins of the legs causing swollen feet.
• Kidney disease - One of the main functions of the kidneys is releasing excess fluid in the body. This type of condition can make it difficult for the kidneys to function properly, and as a result the feet may become swollen.
• Deep-vein thrombosis (DVT)- This is a serious condition where blood clots form in the veins of the legs. They can block the return of blood from the legs to the heart which may cause the feet to swell. It is important to be treated by a podiatrist if this condition is present.

Swollen feet can also be caused by bone and tendon conditions, including fractures, arthritis, and tendinitis. Additionally, there may be skin and toenail conditions and an infection may cause the feet to swell. Patients who take medicine to treat high blood pressure may be prone to getting swollen feet. 

Many patients elevate their feet to help relieve the swelling and this is generally a temporary remedy. When a podiatrist is consulted the reason behind the swelling can be uncovered and subsequently treated.

If you have any questions please contact one of our offices located in Pasadena, Baytown, League City, Houston, and Pearland,TX . We offer the newest diagnostic and treatment technologies for all your foot and ankle needs.