Glenn Wellmann DPT

You put your first foot on the floor in the morning and a sharp, bruised, stabbing pain shows up under your heel. You limp to the bathroom, it eases up after a few minutes of walking, and by mid morning you almost forget about it. Then you sit through a meeting or a long drive, stand up, and it is right back.

Clinicians call that plantar heel pain, or plantar fasciitis. The label matters less than the pattern: pain at the inside front of the heel bone, worst with the first steps after rest, tender to pressure right on that spot, and often stirred up by a jump in walking, running, or standing hours. In the clinic it is one of the most common foot complaints I see, and one of the most commonly mismanaged, because the instinct is to rest it and hope.

Why it happens

The plantar fascia is a thick, tendon like band running from the underside of your heel bone forward to the base of your toes. Every time you push off it takes tension and helps your arch behave like a spring. It is built for that job. What it does not like is a sudden change in how much of that job it is asked to do.

So the mechanism is usually load, not damage. Something changed: a new job on your feet, flatter shoes, a training block that added miles quickly, a return to hiking after a winter off. The tissue at the attachment becomes irritated and load sensitive. Nights are the interesting part. While you sleep your foot rests in a toes down position and the tissue settles into a shortened, stiffened state. Your first steps stretch it cold, which is why step one hurts more than step fifty.

Two things follow. First, this is a tendon style problem, so it responds to changing load rather than waiting out inflammation, the same logic behind gluteal tendinopathy on the outside of the hip. Second, complete rest feels good for a week and then leaves you with a heel that is just as sensitive and a calf that is weaker.

What the evidence actually says

The honest summary is that several things help, no single thing is magic, and time plus the right loading does most of the heavy lifting.

• Stretching the fascia itself beats stretching only the calf. In a randomized trial of 101 people with heel pain lasting at least 10 months, a plantar fascia specific stretch produced better pain and satisfaction scores at 8 weeks than an Achilles stretching program, including on the item that asks about first steps in the morning (DiGiovanni et al., Journal of Bone and Joint Surgery, 2003).
• Strength work can speed things up. In a randomized trial of 48 people with imaging confirmed plantar fasciitis, high load heel raises done every second day, with a towel under the toes, produced Foot Function Index scores 29 points better than daily plantar fascia stretching at 3 months (95 percent confidence interval 6 to 52 points). Both groups also used shoe inserts (Rathleff et al., Scandinavian Journal of Medicine and Science in Sports, 2015).
• The advantage is speed, not the final destination. In that same trial there was no difference between groups at 1, 6, or 12 months. Most people improve either way. Loading gets you there sooner.
• Simple, cheap things have real support. A best practice guide built from a systematic review of 51 trials and 4,351 participants, expert interviews, and patient input found short term benefit for taping and for plantar fascia stretching on first step pain, with shockwave therapy holding up over longer follow ups (Morrissey et al., British Journal of Sports Medicine, 2021).

The American Physical Therapy Association’s clinical practice guideline on heel pain, updated in 2023, lines up with that picture: education, stretching, manual therapy, taping, foot orthoses, and loaded exercise, chosen based on the person in front of you rather than applied as a fixed recipe (Koc et al., Journal of Orthopaedic and Sports Physical Therapy, 2023).

What to do about it

Here is the plan I hand people, in order. Give it 8 to 12 weeks before you judge it. Mild soreness during and shortly after these is acceptable. Pain that is clearly worse the next morning means you did too much.

1. Plantar fascia specific stretch, 3 times a day. Sit down, cross the sore foot over the opposite knee, grab the base of your toes and pull them back toward your shin until you feel a firm stretch in the arch. Use your other hand to feel the band tighten under your heel, which confirms you have it. Hold 10 seconds, repeat 10 times, three times a day. Do one round before you put weight on that foot in the morning, still sitting on the edge of the bed.
2. Loaded heel raises every other day. Stand with the ball of the foot on a step, with a rolled towel under your toes so they are bent upward. Rise over about 3 seconds, hold 2 seconds at the top, lower over about 3 seconds. Start with both feet, 3 sets of 12. When that is easy, shift to the sore leg only, then add weight in a backpack and drop into the 8 to 12 rep range for 3 to 4 sets. Every second day, not daily.
3. Calf and toe strength on the same days. Add seated towel scrunches with your toes, 3 sets of 15, plus a slow bent knee heel raise, 3 sets of 15, which biases the deeper calf muscle that helps control the arch.
4. Change the first 20 steps. Keep supportive shoes next to the bed and put them on before you stand up. Barefoot on hard floors is the single most common aggravator I hear about in this diagnosis.
5. Adjust load, do not delete it. Cut the aggravating activity by roughly a third for two weeks rather than stopping. If running is the trigger, keep the frequency and cut duration first. This is the same graded approach I used in the six week plan for kneecap pain in runners.
6. Use short term symptom tools honestly. Taping, a heel cup, an over the counter arch support, and rolling the arch on a frozen water bottle can all make a day more tolerable. None of them are the treatment. They buy you room to do the loading that is.

Track two numbers so you can tell if it is working: your pain in the first 10 steps of the morning on a 0 to 10 scale, and how many minutes of walking you tolerate before symptoms climb. Reassess every two weeks. Progress here is a gradual trend, not a single good day.

Red flags: when to get it looked at in person

Most plantar heel pain is straightforward. See someone in person if any of the following apply.

• Numbness, tingling, or burning into the sole or arch, which points more toward a nerve than the fascia.
• Pain in the back of the heel rather than under it, or pain that centers on the Achilles insertion.
• Pain that is worse with each step rather than easing after warm up, especially in a runner, which can suggest a bone stress injury.
• Heel pain after a fall, a hard landing, or a direct blow.
• Both heels sore at once alongside low back stiffness, eye inflammation, or gut symptoms, which can be part of a broader inflammatory picture.
• Swelling, redness, warmth, fever, or a history of diabetes with a change in foot sensation.
• No meaningful change after 12 weeks of consistent, correctly dosed loading.

Where to go from here

If you want the plan without guessing at the dosage, that is what a home exercise program is for: your irritability level, your shoes and mileage, and a progression written out so you know when to add weight. If this has already dragged on for months, a comprehensive evaluation gives you a full hour, one on one, to confirm the diagnosis, rule out the nerve and bone stress look alikes, and hand you a plan you leave with. If you would rather use insurance, CACC Physical Therapy is the insurance based option.

References

• Koc TA Jr, Bise CG, Neville C, Carreira D, Martin RL, McDonough CM. Heel Pain, Plantar Fasciitis: Revision 2023. Journal of Orthopaedic and Sports Physical Therapy. 2023;53(12):CPG1-CPG39. https://pubmed.ncbi.nlm.nih.gov/38037331/
• Rathleff MS, Molgaard 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. Scandinavian Journal of Medicine and Science in Sports. 2015;25(3):e292-e300. https://pubmed.ncbi.nlm.nih.gov/25145882/
• Morrissey D, Cotchett M, J’Bari AS, et al. Management of plantar heel pain: a best practice guide informed by a systematic review, expert clinical reasoning and patient values. British Journal of Sports Medicine. 2021;55(19):1106-1118. https://pubmed.ncbi.nlm.nih.gov/33785535/
• DiGiovanni BF, Nawoczenski DA, Lintal ME, et al. Tissue-specific plantar fascia-stretching exercise enhances outcomes in patients with chronic heel pain: a prospective, randomized study. Journal of Bone and Joint Surgery (American Volume). 2003;85(7):1270-1277. https://pubmed.ncbi.nlm.nih.gov/12851352/