Foot drop syndrome is a neuromuscular disorder characterized by weak muscles in the front of the lower leg. This can result in partial or total loss of control over the foot. This affects the ability to lift the foot at the ankle.
Foot drop can often be the sign of a major underlying complication, rather than a 'simple' inability to raise the foot. It can be caused by a nerve injury, spinal or brain disorder or muscle disorder. Foot drop can affect one foot or both feet and can be temporary or permanent, depending on the cause.
Damage to the nerve fibers that allow the flexing of the ankle and toes can cause several problems. For example, the toes point towards the floor when the foot is lifted up from the ground. When patients attempt to walk, they tend to drag the foot along the ground. They further compensate by lifting the knee higher than usual.
Foot drop can be rather debilitating for patients and can affect mobility to a great degree. While there are several causes of foot drop, physical therapy is the most effective treatment option.
Long-term outcomes vary but many patients can regain significant function and mobility following a physical therapy plan of care.
Exercise is the primary treatment for patients with foot drop. Strengthening exercises of the muscles within the foot and the lower limbs help maintain muscle tone. Such exercises will help strengthen and stretch the foot while returning mobility to the ankle.
Stretching exercises are an excellent treatment for foot drop. Physical therapists will advise patients to sit on the floor, place a towel around the foot, hold onto both ends and gently pull the towel towards them. This helps stretch the muscles of the calf and foot.
Other exercises include leg flexes and toe curls. Several sets and repetitions are required to stimulate the muscles sufficiently.
In some patients with foot drop, physical therapists may advise a treatment regime that includes electrical stimulations of the nerves and muscle fibers. This helps generate electrical impulses within the muscles and can, to an extent, help increase the tone and the contractility.
Gait signifies the way a person walks. A gait abnormality is a deviation from normal walking. Gait training is recommended for those patients with significant gait problems. This treatment helps a patient walk more efficiently and improve stability by incorporating different strength and balance exercises.
At times, gait training requires the use of walkers, canes and parallel bars to safeguard the patient.
Braces and Splints
For individuals with limited control over their foot muscles, an "Ankle-Foot-Orthosis (AFO)" is used to help improve gait. AFO are L-shaped braces designed to support the function of the ankle and foot by keeping them perpendicular (at an angle of 90 degrees). This helps to keep the foot off of the ground while walking.
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