Plantar fasciitis and heel spurs

What is plantar fasciitis?

Plantar fasciitis is an irritation of the plantar fascia, the thick fibrous tissue that connects your heel to your toes and supports your arch. This structure plays a fundamental role in every step you take, and when it becomes painful, even the simplest daily tasks become difficult.

To fully understand this condition, it's important to first know the anatomy and role of the plantar fascia in your foot.

Anatomy of the Plantar Fascia

The plantar fascia attaches to the heel, specifically to the bone called the calcaneus, and extends to the base of the toes in a fan shape. This structure acts like a natural spring when walking. It supports your foot arch and absorbs shock with every step you take, whether you're walking to get the mail or running a marathon.

When you walk or run, the fascia stretches and contracts repeatedly. With each step, your body weight applies considerable force to this structure. Under normal conditions, the fascia tolerates these stresses well. However, this action can lead to micro-tears if the load exceeds the tissue's adaptive capacity.

Studies show that fasciitis involves more collagen degeneration than classic inflammation. Collagen is the protein that gives strength to the fascia, and when it degrades, the tissue becomes less resistant to daily loads. Some experts therefore prefer the term "plantar fasciopathy" to describe this condition more accurately, as the suffix "pathy" denotes a disease or disorder without necessarily implying inflammation.

This distinction might seem technical, but it's important for understanding why modern treatments focus on strengthening and adapting the tissue rather than simply reducing inflammation.

What is the difference between fasciitis, fasciopathy, and heel spur?

These three terms are often confused, and it's not uncommon for patients to arrive at the clinic worried after seeing "heel spur" on their X-ray report. Let's clarify these concepts to help you better understand your condition.

Plantar fasciitis involves inflammation of the fascia, usually in its acute phase when the pain has just appeared. Plantar fasciopathy refers to irritation and degeneration of the fascia without active inflammation, which more accurately reflects the reality of this condition in most cases. A heel spur, on the other hand, is a bone calcification that appears at the attachment point of the fascia on the heel, but it does not directly cause the pain.

The Myth of the Heel Spur

Heel spurs deserve special attention because they cause a lot of concern for patients. This bony growth appears on X-rays of many people who have no heel pain. In fact, about 50% of people over 50 have a visible heel spur on X-rays without experiencing any symptoms.

This important fact reveals something crucial for your understanding of the condition. The size of the spur does not correlate with the intensity of the pain. You can have a large spur with no pain, or a small spur with a lot of pain, or even intense pain without any visible spur. The spur is simply a bony reaction to the repeated pulling of the fascia at its attachment point, much like a callus forming on the skin in response to friction.

The treatment remains the same, with or without a spur. This information often reassures patients who are concerned about this X-ray finding and imagine that surgery will be needed to remove this "point" in their heel. In reality, the spur is not the problem; it's the irritated fascia that causes your pain. If you also have pain in the back of your heel, it could be Achilles tendinopathy, a different but related condition.

What are the causes of plantar fasciitis?

Plantar fasciitis results from mechanical overload of the fascia, often caused by a sudden increase in activities like prolonged walking or running. To fully understand how this condition develops, we need to examine the mechanism of overload and the typical situations that trigger it.

The Mechanism of Overuse

The plantar fascia has a limited capacity for adaptation, like all tissues in your body. Think of this capacity as a reservoir that can fill up and empty. When the imposed load exceeds this capacity, micro-tears appear in the collagen fibers of the fascia. These small, microscopic tears are not necessarily problematic on their own, as the body can normally repair them during periods of rest.

The problem arises when you don't give your fascia enough time to recover. Without this recovery, micro-tears accumulate faster than they can be repaired. The tissue gradually becomes more fragile and irritated, and that's when pain appears. This process can take days or weeks, depending on the intensity of the overload and your individual recovery capacity.

Typical Scenarios

Here are typical situations that trigger plantar fasciitis in our patients. You might recognize your own story in one of these scenarios.

Walking barefoot on the beach during your vacation when you usually wear cushioned shoes represents a sudden change for your fascia. Soft sand requires more stabilization work from your foot, and the lack of support from your usual footwear significantly increases stress on the fascia.

Wearing flat sandals at the start of summer after wearing supportive boots all winter is too rapid a transition. Your feet suddenly lose the support they had grown accustomed to for months, and the fascia has to compensate for this loss of support.

Resuming running without adequate progression in training volume is a common cause among runners, just like shin splints. For example, increasing from 10 kilometers per week to 30 kilometers in just a few weeks places a load that the fascia cannot tolerate without gradual adaptation.

Starting a job where you stand all day, after previously working seated, represents a major change in the demands placed on your feet. Standing for eight hours without being accustomed to it can easily trigger plantar fasciitis.

Changing running shoes without an appropriate transition period, even for a supposedly better model, can cause problems. Each shoe model engages your foot slightly differently, and your fascia needs time to adapt to these new demands.

The common thread in all these scenarios is a sudden change in the mechanical demands placed on the foot. Your fascia can adapt to almost any load if you give it enough time, but abrupt changes exceed its adaptive capacity.

What are the risk factors?

Risk factors for plantar fasciitis include a lack of ankle flexibility, weakness in the foot muscles, a high BMI, and prolonged standing work. Some of these factors can be modified to reduce your risk of developing this condition or to speed up your recovery.

This table shows you where you can take action to improve your situation. Modifiable factors represent opportunities for intervention, while non-modifiable factors simply help you understand your individual risk.

Biomechanical factors

Limited ankle dorsiflexion, meaning when your foot has difficulty lifting towards your shin, is the most well-documented risk factor in scientific research. An ankle that lacks mobility forces your foot to compensate in a way that increases stress on the fascia with every step. If you cannot bring your knee past your toes when you squat, you likely have a dorsiflexion limitation that contributes to your problem.

Weakness in the intrinsic foot muscles is an emerging factor gaining increasing attention in recent research. These small muscles located within your foot stabilize the plantar arch and help control your foot's movement during walking. When they are weak, the fascia has to work harder to maintain your foot's structure, which increases the risk of overload. Studies have shown that people with chronic plantar fasciitis often have reduced muscle volume in these small foot muscles. Proprioceptive rehabilitation specifically targets the strengthening of these stabilizing muscles.

What are the typical symptoms?

Symptoms of plantar fasciitis include pain in the heel or under the foot, particularly intense in the morning with the first steps, which improves with movement but returns after prolonged inactivity. This very characteristic pain pattern often helps identify the condition even before a clinical examination.

The Characteristic Pain Pattern

Morning pain is the hallmark of plantar fasciitis, often enough on its own to identify the condition. During the night, your fascia contracts and shortens in a resting position, much like an elastic band returning to its natural shape when you stop stretching it. The first steps in the morning suddenly stretch it from this contracted position, causing sharp pain that often makes you wince or limp for the first few minutes after waking up.

After a few minutes of walking, the fascia gradually loosens up, and the pain subsides. You might even completely forget you have pain for several hours. However, the pain typically returns after a prolonged period of sitting, such as after a long car ride or a meeting at the office. This cycle of pain after inactivity that improves with movement repeats throughout the day.

This table helps you identify situations that increase or decrease your pain. Recognizing these patterns allows you to better manage your daily activities during your recovery and understand what puts the most stress on your fascia.

Typical location

Pain is generally located on the medial heel, meaning on the inner side of your heel, where the fascia attaches to the calcaneus (heel bone). If you press with your thumb in this area, you will likely feel marked tenderness or a reproduction of your usual pain. Some people also feel pain along the plantar arch, following the path of the fascia towards the front of the foot. This pain can be described as a pulling or burning sensation under the sole of the foot.

The precise location of your pain helps your physiotherapist confirm the diagnosis and distinguish plantar fasciitis from other conditions that can cause foot pain, such as tarsal tunnel syndrome or metatarsalgia.

How is Plantar Fasciitis Diagnosed?

The diagnosis of plantar fasciitis is primarily based on your symptom history and the clinical examination performed by your physiotherapist or doctor. In most cases, imaging tests are not needed to confirm the diagnosis, as the pain pattern is distinctive enough to confidently identify this condition.

Clinical examination

Your physiotherapist uses several tests to confirm a diagnosis of plantar fasciitis. Pressing on the inner part of your heel typically reproduces your pain at the point where the fascia attaches to the heel bone. This simple yet effective test helps pinpoint the exact source of your discomfort.

Stretching the fascia by pulling your toes upwards typically increases the pain. Your therapist may perform this test by gently lifting your toes while feeling the fascia. This movement puts the tissue under tension and will reproduce the pain if the fascia is irritated.

The morning pain pattern you describe also helps confirm the diagnosis. Few foot conditions have this distinct characteristic of intense pain with the first steps that then improves with movement.

Limited ankle flexibility (dorsiflexion) can be measured to identify an important risk factor. Your physiotherapist will check how much your ankle can bend upwards, as a restriction in this movement often contributes to the development of plantar fasciitis.

When Imaging Is Useful

X-rays can reveal the presence of a heel spur, but as mentioned earlier, this finding does not change the diagnosis or the treatment. Your doctor may primarily prescribe an X-ray to rule out other causes of heel pain, such as a stress fracture or another bone abnormality.

Ultrasound and magnetic resonance imaging (MRI) are reserved for unusual cases or those that don't respond to treatment. These tests can show if the fascia has thickened or if there are changes in the tissue's structure. Your healthcare professional will only consider them if your pain hasn't improved with conservative treatment after several months, or if other conditions need to be ruled out.

The important message is that imaging is generally not necessary to effectively diagnose and treat plantar fasciitis. A clinical evaluation is sufficient in the vast majority of cases.

When should you see a physical therapist?

You should seek physiotherapy if your heel pain lasts more than 10 days despite self-care, if it affects your daily activities or sleep, or if you want to prevent the condition from becoming chronic. Early intervention significantly improves outcomes and speeds up your return to normal activities.

Heel pain that lasts a few days may resolve with rest and adjustments to your activities. However, if this pain continues for more than 10 days, it's wise to see a physiotherapist. The longer you wait, the more time the fascia has to develop degenerative changes that can prolong healing. If your pain persists for several months, your therapist may also discuss options like shockwave therapy for more stubborn cases.

Home measures like rest, applying ice, and wearing cushioned shoes can help in the first few days. But if these simple strategies aren't enough, a structured treatment program becomes necessary. Your physiotherapist can identify the biomechanical factors contributing to your problem and prescribe specific exercises to address these issues.

When pain starts to limit your daily activities, such as climbing stairs, grocery shopping, or walking your dog, it's time to seek help. You don't have to live with this limitation, and the sooner you receive appropriate treatment, the faster you'll regain your normal quality of life.

No Medical Referral Needed

In Quebec, you can see a physiotherapist directly without a medical referral. This accessibility allows you to get help quickly without waiting for an appointment with your family doctor, which can take weeks or months in some regions.

Your physiotherapist will assess your condition and determine if you need to see a doctor for further consultation. In most cases of plantar fasciitis, physiotherapy treatment is enough. If your therapist identifies any signs that require medical attention, they will refer you to the appropriate professional.

This professional autonomy for physiotherapists removes a significant barrier to access, allowing you to quickly receive the care you need.

Warning Signs Requiring Medical Attention

Certain situations require a medical consultation rather than a physiotherapy visit as a first step. These warning signs suggest a more serious condition that needs medical evaluation.

Severe pain after a direct injury to the heel, such as a fall or a hard blow, could indicate a fracture. This situation requires an X-ray to rule out bone damage.

Significant swelling, redness, and warmth in the heel suggest an infection or widespread inflammation. These signs go beyond simple plantar fasciitis and require urgent medical evaluation.

Being completely unable to put weight on your foot indicates a more serious condition than typical plantar fasciitis. Consult your doctor or go to the emergency room if you cannot walk on your foot at all.

Numbness or tingling in the foot suggests nerve involvement that requires medical investigation. Plantar fasciitis does not cause neurological symptoms.

A fever accompanying your foot pain could indicate an infection. This situation requires immediate medical attention, as foot infections can progress rapidly.

If you experience any of these warning signs, consult your doctor rather than your physiotherapist as a first step.

What physiotherapy treatments are available?

Physiotherapy treatment for plantar fasciitis combines stretching and strengthening exercises, manual therapy, and education on managing activity load. This evidence-based, multi-faceted approach yields excellent results for most patients.

The initial assessment

Your first visit begins with a comprehensive assessment, allowing your physiotherapist to understand your condition within its overall context. This evaluation goes beyond simply examining your painful heel.

The mobility of your ankle and foot is precisely measured by your physiotherapist. Your therapist checks how much your ankle can bend upwards (dorsiflexion), as limited dorsiflexion is one of the most significant risk factors. They also assess the mobility of your foot joints, as restrictions in these areas can contribute to the problem.

The strength of your foot and leg muscles is systematically tested. The intrinsic foot muscles, calf muscles, and ankle stabilizing muscles all play a role in supporting your arch. Identifying weaknesses helps to target strengthening exercises effectively.

The quality of your functional movements is observed while you walk, stand on your toes, or step down from a stair. These tests reveal movement patterns that may contribute to overloading the fascia.

Your activity habits and personal goals are discussed to customize your treatment plan. A marathon runner and someone who simply wants to walk without pain have different needs that influence treatment recommendations.

Your usual shoes are examined, as the type of footwear you wear directly affects the stress placed on your fascia. Your therapist may recommend specific changes based on the wear and characteristics of your current shoes.

Treatment Approaches

This table summarizes the main approaches used in physiotherapy to treat plantar fasciitis. Each intervention targets a different aspect of your condition.

Calf and plantar fascia stretching exercises form an important foundation of treatment. These exercises improve your ankle flexibility and reduce tension on the fascia. Your therapist will teach you specific stretches to perform several times a day.

High-load strengthening of the plantar fascia is considered the most effective intervention according to recent research. These exercises stimulate tissue adaptation and increase its capacity to tolerate loads. The protocol typically involves calf raises with a gradual progression of load.

Load management education teaches you how to adjust your activities to allow for healing while maintaining an appropriate activity level. Understanding how to gradually increase your activities without overloading your fascia prevents recurrence and speeds up your recovery.

High-Load Exercises

High-load exercises for the plantar fascia have shown superior results compared to traditional stretches in several scientific studies. This approach stimulates the fascia's adaptation by applying controlled loads that promote collagen regeneration and tissue strengthening.

The classic protocol involves calf raises performed on a step. You start by standing on a step with only the balls of your feet supported, your heels hanging off. You slowly rise onto your toes, hold the position for a few seconds, then slowly lower yourself. The slow lowering phase is particularly important as it stimulates the fascia's adaptation.

Progression is gradual, achieved by increasing the load. You might start with both feet together, then progress to one foot at a time as your tolerance improves. Eventually, you can add weight by holding dumbbells or wearing a weighted backpack.

This approach requires patience and consistency. Results typically appear after several weeks of regular exercises. Your physiotherapist will adjust your exercise prescription based on your tolerance and progress.

What Can You Do at Home?

Several self-management strategies can complement your physiotherapy treatment and speed up your recovery. These simple yet effective approaches help you manage your daily symptoms, but they do not replace professional assessment and treatment if your pain persists.

Practical Tips

Load management is the most important principle of self-management. Temporarily reduce activities that worsen your pain, such as running or long walks, then gradually resume them as your symptoms improve. This adjustment allows your fascia to recover without completely losing your physical fitness.

Rolling a ball under your foot can provide temporary relief by releasing tension in the fascia. Use a tennis or golf ball and roll it under your foot for 2 to 3 minutes, applying firm pressure without causing significant pain. This technique is ideally performed in the evening after your daily activities.

Wearing shoes with thick, cushioned soles reduces stress on your fascia by better absorbing impact. Avoid walking barefoot or in flat sandals during the acute phase of your condition. Even at home, wear shoes or slippers that provide good support.

Taking frequent breaks if you work standing up helps prevent stress from accumulating on the fascia. Alternate between standing and sitting as much as possible during your workday. If you must stand for long periods, take a few minutes every hour to sit down and relieve pressure on your feet.

Using a prefabricated pharmacy insole can provide temporary relief during the acute phase. These insoles offer additional support for your arch and reduce stress on the fascia. Choose a model with good arch support and heel cushioning.

Alternative Activities

Choosing activities that reduce stress on your foot allows you to maintain your physical fitness while you heal. Swimming, cycling, and seated exercises like rowing are excellent options. These activities help maintain your cardiovascular health and muscle strength without putting excessive strain on your plantar fascia.

Stationary or outdoor cycling provides excellent cardiovascular training while minimizing stress on your feet. The seated position completely unloads the fascia, and the pedaling motion doesn't create impact stress. To understand how to gradually resume your favorite activities, consult our guide on returning to sport.

Swimming and aqua fitness almost completely eliminate the load on your feet due to water's buoyancy. You can maintain your physical fitness and even improve your strength without aggravating your plantar fasciitis.

These alternative activities help you avoid the frustration of complete inactivity while allowing your fascia to heal. As your symptoms improve, you can gradually reintroduce your usual activities following your physiotherapist's recommendations. Understanding the kinetic chain also helps you grasp how your ankle movement affects your entire leg.

How long to heal?

Plantar fasciitis generally takes between 6 and 12 weeks to heal with appropriate treatment, though chronic cases might require several months of rehabilitation. This timeline varies considerably from person to person, depending on several factors we will explore in this section.

Typical Recovery Timeline

This table provides a realistic overview of your recovery stages. Each phase builds upon the previous one to ensure a complete and lasting recovery.

The acute phase focuses on reducing pain and identifying aggravating factors. During these first few weeks, you learn to manage your activities to allow the fascia to begin healing. Morning pain should gradually start to decrease during this period.

The rehabilitation phase is the core of the treatment. You will progress with strengthening exercises and work on the biomechanical factors that contributed to your fasciitis. Your ankle mobility will improve, your foot muscles will strengthen, and your fascia will gradually adapt to increasing loads.

Returning to activities is done gradually, following a structured plan. If you are a runner, you start with short distances at a low speed and gradually increase as tolerated. If you work standing, you gradually increase the periods you spend on your feet. This controlled progression minimizes the risk of relapse.

The maintenance phase continues indefinitely to prevent recurrence. You will continue strengthening and flexibility exercises at a reduced frequency and remain attentive to signs of overload. This vigilance allows you to quickly detect and correct any early signs of recurrence.

Factors influencing healing

The duration of your symptoms before starting treatment significantly affects your prognosis. Plantar fasciitis treated after a few weeks generally responds more quickly than a condition that has persisted for several months. Degenerative changes in the fascia accumulate over time, leading to a longer healing process in chronic cases.

Your adherence to prescribed exercises is likely the most important factor within your control. Patients who perform their exercises regularly recover more quickly and completely than those who do them sporadically. Consistency matters more than intensity in this context.

Properly managing your activity load determines whether you allow your fascia to heal or continue to overload it. Finding the right balance between complete rest and maintaining an appropriate activity level requires good judgment and often the advice of your physiotherapist.

Correcting modifiable risk factors accelerates your healing and prevents recurrence. By improving your ankle mobility, strengthening your foot muscles, and wearing appropriate shoes, you create the optimal conditions for recovery.

Studies show that 80% of patients fully recover with conservative treatment. This high success rate should reassure you about the effectiveness of non-surgical approaches for plantar fasciitis.

Patience and consistency are the keys to success. Plantar fasciitis doesn't resolve overnight, but with the right interventions and your commitment to treatment, you will regain your ability to walk and perform your activities without pain. For some patients with persistent pain, understanding the mechanisms of chronic pain can be beneficial.

Conclusion

Plantar fasciitis is a common condition that causes heel pain, especially intense in the morning. However, it responds very well to conservative treatment when addressed promptly. You don't have to endure this pain indefinitely or worry that a heel spur visible on your X-ray will require surgery.

Conservative treatment yields excellent results for the vast majority of patients. The combination of high-load strengthening exercises, appropriate stretches, manual therapy, and education on load management is the most effective approach, according to the best available scientific data.

The three pillars of your recovery are strengthening exercises that encourage your fascia to adapt, appropriate management of your activities to allow for recovery, and education on the factors that contributed to your condition. Your physiotherapist will guide you through these three aspects to ensure your complete recovery.

Don't wait for your pain to become chronic before seeking help. The sooner you intervene, the faster and more complete your recovery will be. Acute cases generally respond better and more quickly to treatment than chronic cases that have persisted for several months.

Early consultation speeds up your return to the activities you love. Whether it's running, playing tennis, hiking, or simply being able to walk without pain to do your errands, the right treatment allows you to regain your normal quality of life. To book an appointment with our sports physiotherapy team, contact us today.

References

• Riddle DL, Pulisic M, Pidcoe P, Johnson RE. Risk factors for Plantar fasciitis: a matched case-control study. J Bone Joint Surg Am. 2003;85(5):872-877.

• Lemont H, Ammirati KM, Usen N. Plantar fasciitis: a degenerative process (fasciosis) without inflammation. J Am Podiatr Med Assoc. 2003;93(3):234-237.

• Menz HB, Zammit GV, Landorf KB, Munteanu SE. Plantar calcaneal spurs in older people: longitudinal traction or vertical compression? J Foot Ankle Res. 2008;1(1):7.

• Riddle DL, Schappert SM. Volume of ambulatory care visits and patterns of care for patients diagnosed with plantar fasciitis: a national study of medical doctors. Foot Ankle Int. 2004;25(5):303-310.

• Cheung RT, Sze LK, Mok NW, Ng GY. Intrinsic foot muscle volume in experienced runners with and without chronic plantar fasciitis. J Sci Med Sport. 2016;19(9):713-715.

• Rathleff MS, Mølgaard CM, Fredberg U, et al. High-load strength training improves outcome in patients with plantar fasciitis: A randomized controlled trial with 12-month follow-up. Scand J Med Sci Sports. 2015;25(3):e292-e300.

• Martin RL, Davenport TE, Reischl SF, et al. Heel pain—plantar fasciitis: revision 2014. J Orthop Sports Phys Ther. 2014;44(11):A1-A33.