The plantar fascia is a thickened fibrous aponeurosis that originates from the medial tubercle of the calcaneus and runs forward to form the longitudinal foot arch. The function of the plantar fascia is to provide static support of the longitudinal arch and dynamic shock absorption. Individuals with pes planus (low arches or flat feet) or pes cavus (high arches) are at increased risk for developing plantar fasciitis.
Far and away the most common cause of plantar fasciitis in an athlete is faulty biomechanics of the foot or leg. Faulty biomechanics causes the foot to sustain increased or prolonged stresses over and above those of routine ground contacts. Throughout the phase of ground contact, the foot assumes several mechanical positions to dissipate shock while at the same time placing the foot in the best position to deliver ground forces. With heel landing the foot is supinated (ankle rolled out). At mid-stance the foot is pronated (ankle rolled in). The foot is supinated again with toe-off. The supination of the foot at heel strike and toe-off makes the foot a rigid lever. At heel strike the shock of ground contact is transferred to the powerful quads. During toe-off forward motion is created by contraction of the gastroc complex plantar flexing the rigid lever of the foot pushing the body forward.
Plantar fasciitis has a few possible symptoms. The symptoms can occur suddenly or gradually. Not all of the symptoms must be present at once. The classic symptom of plantar fasciitis is pain around the heel with the first few steps out of bed or after resting for a considerable period of time. This pain fades away a few minutes after the feet warm up. This symptom is so common that it symbols the plantar fasciitis disorder. If you have it then probably you have plantar fasciitis. If you don’t suffer from morning pain then you might want to reconsider your diagnosis. Pain below the heel bone at the connection of the bone to the fascia. As the condition becomes more severe the pain can get more intense during the day without rest. Plantar fasciitis symptoms include pain while touching the inside of the heel or along the arch. Foot pain after you spend long periods of time standing on your feet. Pain when stretching the plantar fascia. Foot pain that worsens when climbing stairs or standing on the toes. Pain that feels as though you are walking on glass. Pain when you start to exercise that gets better as you warm up but returns after you stop.
To arrive at a diagnosis, the foot and ankle surgeon will obtain your medical history and examine your foot. Throughout this process the surgeon rules out all the possible causes for your heel pain other than plantar fasciitis. In addition, diagnostic imaging studies such as x-rays or other imaging modalities may be used to distinguish the different types of heel pain. Sometimes heel spurs are found in patients with plantar fasciitis, but these are rarely a source of pain. When they are present, the condition may be diagnosed as plantar fasciitis/heel spur syndrome.
Non Surgical Treatment
Talk to your doctor about the best treatment plan for you. Options include. Apply ice or a cold pack to the heel and arch for 15 to 20 minutes several times a day. Wrap the ice or cold pack in a towel. Do not apply the ice directly to your skin. A special splint that will hold your foot in a neutral position while sleeping. Special shoe inserts that support the mid-arch region of your foot. Inserts that are not customized may work just as well as those that are customized. Activity. Avoid running and other activities that may worsen pain. Begin stretching exercises to lengthen the Achilles tendon and plantar fascia as recommended by your doctor. This is usually done when pain has lessened or improved. To help manage pain, your doctor may recommend over-the-counter nonsteroidal anti-inflammatory medication (NSAIDs), such as ibuprofen or naproxen. Prescription pain relievers may also be required. Steroid injections may be used in some cases or if other treatment is not working. A special type of sound wave called extracorporeal shock wave may also be considered in certain cases. This treatment happens under the care of your doctor. At this time, this is generally a treatment for long-term cases that do not respond to other treatments. Massage therapy or accupuncture may also be effective for long-term cases. In a few cases, basic treatments don’t help. Surgery may be performed to cut the tight, swollen fascia.
More invasive procedures to treat plantar fasciitis are usually sought only after other treatment has failed to produce favorable results. Corticosteroid injections deliver medicine into the injured fascia to reduce pain. However, this treatment may weaken the plantar fascia and result in further damage. In addition, extracorporeal shock wave therapy (ESWT) is a treatment where sound waves are sent through the damaged tissue in order to stimulate the damaged tissue and encourage healing. This method is relatively new in treating plantar fasciitis and your doctor will be able to tell you if it is the right method for you. Lastly, surgery is the last option for those suffering from chronic or severe plantar fasciitis.
You can help to prevent plantar fasciitis by maintaining a healthy weight, by warming up before participating in sports and by wearing shoes that support the arch and cushion the heel. In people who are prone to episodes of plantar fasciitis, exercises that stretch the heel cord (known as the Achilles tendon) and the plantar fascia may help to prevent plantar fasciitis from returning. Ice massage also can be used on the bottom of the foot after stressful athletic activities. It is possible that strict control of blood sugar will prevent plantar fasciitis in people with diabetes, although this has not been proven.