Adult Aquired Flat Feet

Overview

Adult acquired flatfoot is often a complex disorder, with diverse symptoms and varying degrees of deformity and disability. There are several types of flatfoot, all of which have one characteristic in common-partial or total collapse (loss) of the arch. Other characteristics shared by most types of flatfoot include Toe drift, where the toes and front part of the foot point outward. The heel tilts toward the outside and the ankle appears to turn in. A short Achilles tendon or calf muscle, which causes the heel to lift off the ground earlier when walking and may act as a deforming force. In addition, other deformities such bunions and hammertoes can occur and cause pain in people with flexible flatfoot. Health problems such as rheumatoid arthritis, diabetes and obesity can increase the risk of developing flatfoot and may (or may not) make it more difficult to treat. This article provides a brief overview of the problems that can result in AAFD. Further details regarding the most common conditions that cause an acquired flatfoot and their treatment options are provided in separate articles. Links to those articles are provided.Adult Acquired Flat Feet


Causes

As the name suggests, adult-acquired flatfoot occurs once musculoskeletal maturity is reached, and it can present for a number of reasons, though one stands out among the others. While fractures, dislocations, tendon lacerations, and other such traumatic events do contribute to adult-acquired flatfoot as a significant lower extremity disorder, as mentioned above, damage to the posterior tibial tendon is most often at the heart of adult-acquired flatfoot. One study further elaborates on the matter by concluding that ?60% of patients [presenting with posterior tibial tendon damage and adult-acquired flatfoot] were obese or had diabetes mellitus, hypertension, previous surgery or trauma to the medial foot, or treatment with steroids?.


Symptoms

Many patients with this condition have no pain or symptoms. When problems do arise, the good news is that acquired flatfoot treatment is often very effective. Initially, it will be important to rest and avoid activities that worsen the pain.


Diagnosis

Clinicians need to recognize the early stage of this syndrome which includes pain, swelling, tendonitis and disability. The musculoskeletal portion of the clinical exam can help determine the stage of the disease. It is important to palpate the posterior tibial tendon and test its muscle strength. This is tested by asking patient to plantarflex and invert the foot. Joint range of motion is should be assessed as well. Stiffness of the joints may indicate longstanding disease causing a rigid deformity. A weightbearing examination should be performed as well. A complete absence of the medial longitudinal arch is often seen. In later stages the head of the talus bone projects outward to the point of a large “lump” in the arch. Observing the patient’s feet from behind shows a significant valgus rotation of the heel. From behind, the “too many toes” sign may be seen as well. This is when there is abducution of the forefoot in the transverse plane allowing the toes to be seen from behind. Dysfunction of the posterior tibial tendon can be assessed by asking the patient to stand on his/her toes on the affected foot. If they are unable to, this indicates the disease is in a more advanced stage with the tendon possibly completely ruptured.


Non surgical Treatment

Because of the progressive nature of PTTD, early treatment is critical. If treated soon enough, symptoms may resolve without the need for surgery and progression of the condition can be stopped. If left untreated, PTTD may create an extremely flat foot, painful arthritis in the foot and ankle, and will limit your ability to walk, run, and other activities. Your podiatrist may recommend one or more of these non-surgical treatments to manage your PTTD. Orthotic devices or bracing. To give your arch the support it needs, your foot and ankle surgeon may recommend an ankle brace or a custom orthotic device that fits into your shoe to support the arch. Immobilization. A short-leg cast or boot may be worn to immobilize the foot and allow the tendon to heal. Physical therapy. Ultrasound therapy and stretching exercises may help rehabilitate the tendon and muscle following immobilization. Medications. Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, help reduce the pain and inflammation. Shoe modifications. Your foot and ankle surgeon may recommend changes in your footwear.

Adult Acquired Flat Foot


Surgical Treatment

If conservative treatment fails surgical intervention is offered. For a Stage 1 deformity a posterior tibial tendon tenosynovectomy (debridement of the tendon) or primary repair may be indicated. For Stage 2 a combination of Achilles lengthening with bone cuts, calcaneal osteotomies, and tendon transfers is common. Stage 2 flexible PTTD is the most common stage patients present with for treatment. In Stage 3 or 4 PTTD isolated fusions, locking two or more joints together, maybe indicated. All treatment is dependent on the stage and severity at presentation with the goals and activity levels of the patient in mind. Treatment is customized to the individual patient needs.

Advertisements

Working with With Achilles Tendonitis

Overview

Achilles TendonitisThe Achilles tendon, which connects the calf muscles to the heel bone, can withstand significant pressure from physical activities. Achilles tendinitis is estimated to account for approximately 11 percent of all running injuries, as the Achilles tendon provides the momentum to push off to walk or run. Achilles tendinitis, also called Achilles tendinopathy, results from overuse, injury or disease of the Achilles tendon, which causes the area to become inflamed. There are two types of Achilles tendinitis: Non-insertional Achilles Tendinitis – Fibers that are located in the middle portion of the tendon began to develop small tears that cause swelling and thickening. This type of tendinitis is usually found in younger people who are very active. Insertional Achilles Tendinitis – Develops where the tendon attaches to the heel bone in the lower part of the heel. Extra bone growth also called bone spurs form because of this tendinitis and can affect patients at any time, even if they are not active.

Causes

Although a specific incident of overstretching can cause an Achilles tendon disorder, these injuries typically result from a gradually progressive overload of the Achilles tendon or its attachment to bone. The cause of this chronic overload is usually a combination of factors that can put excess stress on the tendon: being overweight, having a tight calf muscle, standing or walking for a long period of time, wearing excessively stiff or flat footwear, or engaging in significant sports activity.

Symptoms

Patients with this condition typically experience pain in the region of the heel and back of the ankle. In less severe cases, patients may only experience an ache or stiffness in the Achilles region that increases with rest (typically at night or first thing in the morning) following activities which place stress on the Achilles tendon. These activities typically include walking or running excessively (especially uphill or on uneven surfaces), jumping, hopping, performing heel raises or performing calf stretches. The pain associated with this condition may also warm up with activity in the initial stages of injury. As the condition progresses, patients may experience symptoms that increase during sport or activity, affecting performance. Pain may also increase when performing a calf stretch or heel raise (i.e. rising up onto tip toes). In severe cases, patients may walk with a limp or be unable to weight bear on the affected leg. Patients with Achilles tendonitis may also experience swelling, tenderness on firmly touching the Achilles tendon, weakness and sometimes palpable thickening of the affected Achilles tendon when compared with the unaffected side.

Diagnosis

During the physical exam, your doctor will gently press on the affected area to determine the location of pain, tenderness or swelling. He or she will also evaluate the flexibility, alignment, range of motion and reflexes of your foot and ankle. Your doctor may order one or more of the following tests to assess your condition, X-rays. While X-rays can’t visualize soft tissues such as tendons, they may help rule out other conditions that can cause similar symptoms. Ultrasound. This device uses sound waves to visualize soft tissues like tendons. Ultrasound can also produce real-time images of the Achilles tendon in motion. Magnetic resonance imaging (MRI). Using radio waves and a very strong magnet, MRI machines can produce very detailed images of the Achilles tendon.

Nonsurgical Treatment

The aim of the treatment is to reduce strain on the tendon and reduce inflammation. Strain may be reduced by, avoiding or severely limiting activities that may aggravate the condition, such as running, using shoe inserts (orthoses) to take pressure off the tendon as it heals. In cases of flat or hyperpronated feet, your doctor or podiatrist may recommend long-term use of orthoses. I8nflammation may be reduced by, applying icepacks for 20 minutes per hour during the acute stage, taking non-steroidal anti-inflammatory drugs, placing the foot in a cast or restrictive ankle-boot to minimise movement and give the tendon time to heal. This may be recommended in severe cases and used for about eight weeks. Occasionally depot (slowly absorbed) steroid injections may be tried, particularly for peri-tendinitis, but great care needs to be taken to avoid injecting into the tendon. This should only be done by a specialist doctor. You may also be given specific exercises to gently stretch the calf muscles once the acute stage of inflammation has settled down. Your doctor or physiotherapist will recommend these exercises when you are on the road to recovery. Recovery is often slow and will depend on the severity of the condition and how carefully you follow the treatment and care instructions you are given.

Achilles Tendinitis

Surgical Treatment

Your doctor may recommend surgery if, after around six months, other treatments haven?t worked and your symptoms are having an impact on your day-to-day life. Surgery involves removing damaged areas of your tendon and repairing them.

Prevention

Do strengthening and stretching exercises to keep calf muscles strong and flexible. Keep your hamstring muscles flexible by stretching. Warm up and stretch adequately before participating in any sports. Always increase the intensity and duration of training gradually. Do not continue an exercise if you experience pain over the tendon. Wear properly fitted running and other sports shoes, including properly fitted arch supports if your feet roll inwards excessively (over-pronate).