Plantar Fasciitis: Causes, Diagnosis, and a Stepwise Approach to Treatment
What Is Plantar Fasciitis?
The plantar fascia is a thick band of connective tissue running along the bottom of the foot from the heel bone (calcaneus) to the base of the toes. It supports the arch of the foot and absorbs ground forces during walking and running. Plantar fasciitis develops when repetitive loading causes microtears and inflammation at the point where the plantar fascia attaches to the heel.
The condition is the most common cause of heel pain in adults, affecting runners, people who stand for prolonged periods, and those with certain anatomical risk factors — tight calf muscles or Achilles tendons, high arches, flatfoot, or a sudden increase in activity level. Excess body weight also increases mechanical load on the plantar fascia.
The hallmark symptom is sharp, stabbing pain in the heel with the first steps in the morning or after periods of rest. Pain often improves somewhat after a few minutes of walking as the tissue warms up, but can worsen with prolonged standing or activity.
How Plantar Fasciitis Is Diagnosed
Diagnosis is primarily clinical. Your physician will ask about the onset and character of your pain, your activity level, and your footwear. Physical examination reveals point tenderness at the medial heel — the typical attachment site of the plantar fascia — and pain with passive dorsiflexion of the toes, which stretches the fascia.
Imaging is not required to diagnose plantar fasciitis but may be used to exclude other causes of heel pain, such as a stress fracture or nerve entrapment. X-rays sometimes show a heel spur (a bony projection at the fascia's attachment point), though heel spurs are often found in people without pain and do not cause plantar fasciitis on their own.
Treatment: Starting Conservative, Progressing as Needed
First-line measures address the underlying mechanical tension and inflammation. A structured stretching program — targeting the plantar fascia itself and the calf muscles and Achilles tendon — is the foundation of treatment. Stretching before getting out of bed in the morning reduces the pain spike that occurs when the fascia is loaded after hours of rest-related shortening.
Supportive footwear and over-the-counter arch-supporting insoles reduce load on the fascia during daily activity. Avoiding barefoot walking on hard surfaces — especially in the morning — helps limit aggravation. A brief course of NSAIDs (nonsteroidal anti-inflammatory drugs) can reduce acute inflammation.
Physical therapy adds a supervised stretching program, calf strengthening exercises, and may include ultrasound therapy or manual tissue mobilization. Patients who complete a formal physical therapy program generally recover faster than those who rely on stretching alone.
Night splints hold the foot in a dorsiflexed position during sleep, keeping the plantar fascia gently stretched overnight. They address the morning pain spike effectively and are well tolerated by most patients.
Corticosteroid injection into the heel fat pad near the fascia attachment can provide meaningful, though often temporary, pain relief. Injections are appropriate when first-line measures have provided insufficient improvement. They should be used selectively — repeated injections risk weakening the plantar fascia.
Extracorporeal shock wave therapy (ESWT) delivers acoustic energy to the affected tissue and is a reasonable option for chronic plantar fasciitis — typically defined as symptoms persisting beyond six months despite conservative care. Evidence supports its efficacy for this patient population.
Surgery is rarely needed and is reserved for a small minority of patients whose symptoms persist after twelve months of comprehensive conservative treatment.
Most patients with plantar fasciitis recover fully with a consistent conservative program, though it often takes several months.
If you're experiencing heel pain from plantar fasciitis, the specialists at Maryland Orthopedic Specialists can help. Call (301) 515-0900 or [schedule an appointment online](https://www.mdorthospecialists.com/contact).
