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Why Plantar Fasciitis Occurs and What You Can Do About It

Dr. Satish Rathore |

Plantar fasciitis is one of the most common causes of heel pain, affecting the thick band of tissue under your foot—the plantar fascia. When this structure becomes inflamed or strained, it leads to sharp pain, especially with the first steps in the morning. The UltraCare PRO's SONICTENS device, a combo of an ultrasound physiotherapy machine and a TENS machine, can accelerate healing by reducing inflammation and managing pain.

The plantar fascia connects your heel bone to your toes, acting as a supportive arch and cushion for foot impact. Repetitive stress or poor foot mechanics (e.g., flat feet, high arches, or an improper gait) can cause micro-tears and inflammation. Over time, this leads to pain and stiffness, classic signs of plantar fasciitis.

Why Does Plantar Fasciitis Occur?

Multiple factors contribute, often including:

  • Overuse: Excessive running, standing, or jumping strains the fascia.
  • Improper Footwear: Lack of arch support or cushioning.
  • Biomechanical Imbalances: Tight calf muscles, uneven leg length.
  • Obesity: Increased pressure on the heel pad.
  • Age and Activity Level: Common in 40–60-year-olds; athletes or workers on hard surfaces are more at risk.

Biomechanics contribute to uneven load distribution, causing micro damage to collagen fibers. Without rest and support, inflammation becomes chronic.

Recognizing Symptoms and Diagnosis

Typical symptoms include:

  • Sharp heel pain with first steps in the morning or after sitting
  • Tenderness when pressing the bottom of the heel
  • Pain after intense activity, not during

Doctors diagnose plantar fasciitis using physical exams and sometimes imaging. Early detection is vital to prevent progression to chronic heel pain.

Traditional Conservative Treatments

Initial treatments usually include:

  • Rest and Ice: Apply 15–20 minutes 3–4 times daily.
  • Stretching Exercises: Focus on calves and plantar fascia.
  • Orthotics and Supportive Shoes: Arch support and cushion.
  • NSAIDs: For short-term pain control.

Massage, toe curls, and nightly splints can also aid in alleviating symptoms.

Role of Ultrasound and TENS Therapy

Modern electrotherapy devices like the SONICTENS offer combined effects:

  • Therapeutic ultrasound penetrates deep tissues to increase blood circulation and reduce inflammation.
  • TENS (Transcutaneous Electrical Nerve Stimulation) produces electrical impulses that block pain signals and stimulate endorphin release.

Using a TENS ultrasound machine targets both the causes and symptoms of plantar fasciitis, making SONICTENS a well-rounded home therapy device.

Superiority of SONICTENS

The UltraCare PRO's SONICTENS offers:

  • Dual Therapy: Ultrasound + TENS in one unit
  • Customizable Intensity: Three ultrasound levels, 25 TENS levels
  • Ergonomic and Portable: Lightweight (235 g), handheld design
  • Safety Features: Body-sensing tech, timer control, overheat protection
  • FDA & CE Approved: For muscle, joint, and soft tissue pain, including plantar fasciitis.

This combo therapy delivers faster, drug-free pain relief and tissue repair than standalone treatments.

Integrating Electrotherapy into the Treatment Plan

To effectively use an ultrasound physiotherapy machine for plantar fasciitis:

  1. Apply ultrasound gel to clean skin
  2. Glide the ultrasound head slowly over the heel/arch for 5–10 minutes
  3. Add TENS pads and adjust intensity to avoid discomfort
  4. Combine with stretching, rest, and correct footwear

Use daily or up to twice per day, based on pain severity. Consistency over 2–4 weeks shows the best results.

Stretching and Strengthening Techniques

Key exercises to support recovery:

  • Calf Stretch: Lean into a wall with one foot back, heel down for 30 seconds.
  • Plantar Fascia Stretch: Pull toes upward while seated.
  • Towel Stretch: Use a towel to pull the foot toward you gently.
  • Golf Ball Roll: Massage the arch for 5 minutes.
  • Toe Curls with a Towel: Tiny bits of resistance training for foot muscles.

Combine these with device usage for improved outcomes.

Footwear and Orthotic Recommendations

Effective footwear helps relieve plantar fascia stress:

  • Shoes with firm soles and supportive arches
  • Avoid flimsy flip-flops or high heels
  • Use custom orthotics if needed, or cushioned insoles
  • Night splints maintain fascia stretch during sleep

Switching footwear early can significantly decrease pain persistence.

Lifestyle and Activity Modifications

Preventing plantar fasciitis involves sensible daily habits:

  • Avoid long periods barefoot on hard floors
  • Gradually ramp up exercise intensity
  • Choose softer surfaces for running
  • Maintain a healthy weight and a balanced diet
  • Alternate rest days in training schedules

These modifications reduce excessive stress on the plantar fascia over time.

Advanced Intervention Options

If conservative management fails after 6–12 months, consider:

  • Prescription orthotics
  • Physical therapy interventions
  • Night splints or casting
  • Steroid injections (short-term relief)
  • Extracorporeal shock wave therapy
  • Surgical plantar fascia release (in rare, severe cases)

Electrotherapy can still be incorporated alongside these advanced treatments.

Tracking Progress and Success

Monitor improvements via:

  • Morning pain reduction in first-step intensity
  • Ability to walk or run without flare-ups
  • Less tenderness upon heel pressure
  • Reduced recovery days after exercise

Consistency in stretching, footwear, rest, and use of the ultrasound physiotherapy machine leads to better outcomes.

Preventing Recurrence

Once plantar fasciitis improves, maintain:

  • Ongoing stretching of calves and heels
  • Supportive footwear during workouts and work
  • Weight maintenance and low-impact cross-training
  • Regular device sessions using SONICTENS to preempt inflammation

Early signs of recurrence should prompt renewed conservative treatment.

Managing Long-Term Foot Pain

Understanding why plantar fasciitis occurs empowers you to treat it proactively. Combining traditional methods—like stretching and supportive footwear—with modern solutions like the UltraCare PRO's SONICTENS delivers more comprehensive pain relief and healing. Whether you're managing long-term pain or preventing recurrence, integrating exercise, lifestyle changes, and targeted therapy offers a well-rounded recovery path.

Preserve your mobility and comfort—start combining these steps today for long-lasting relief and healthier feet.

Frequently Asked Questions (FAQs)

Which conditions can SONICTENS effectively treat?

It's ideal for managing a range of acute and chronic issues, including:

  • Joint pain: Arthritis, bursitis, tendonitis
  • Muscle and soft tissue pain: Fibromyalgia, strains, carpal tunnel
  • Back and neck pain: Sciatica, herniated discs, trapezitis
  • Sports injuries and plantar fasciitis.

Can I use ultrasound or TENS independently?

Yes, you can use ultrasound-only therapy by leaving the TENS lead unplugged. However, TENS-only mode is not supported—the unit is designed for ultrasound, standalone, or combined treatment.

Is SONICTENS safe for home use?

Absolutely. It is FDA and CE approved, non-invasive, and designed with body‑sensing contact detection, a smart timer, and overheat protection for safe, self‑administered treatment.

What is included in the SONICTENS kit?

The SONICTENS kit includes:

  • Main ultrasound-TENS device
  • TENS electrode pads and lead wires
  • Ultrasound transmission gel
  • Power adapter
  • Placement chart and user manual
  • An optional cooling pack and pouch for portability
Dr. Satish Rathore

Dr. Satish Rathore

Dr. Satish Rathore

With over 3 years of experience in physiotherapy, Dr. Satish Rathore holds a Bachelor of Science in Physiotherapy and specializes in musculoskeletal care, rehabilitation, and wellness. Currently serving as Lead Physiotherapist at UltraCare PRO, he combines evidence-based treatment, hands-on therapy, and patient education to deliver holistic, patient-centered care. Dr. Satish Rathore is committed to helping individuals move better, recover faster, and live pain-free, while continuously advancing clinical standards and team performance in physiotherapy practice.