Newsletter excerpts: 9 New Studies and 2 references on foot pain--October 2021

Posted by: Michelle Burns
Date Posted: October 19, 2021

Here is some of the information I recently shared in the October newsletter. Each newsletter has a specific focus.  This newsletter is focused on foot pain and plantar fasciitis. If you would be interested in receiving my newsletters, which include links to the studies as well as special offers and sales coupons, please head over to my contact page and sign up.


  1. Comparing toe separators and insoles in hallux valgus treatment
  2. Effect of Local Percutaneous radiofrequency for chronic plantar fasciitis
  3. Comparing stretching exercise and high-load strengtheing exercise
  4. Acute Kinetic and Kinematic differences between minimalist sandal, shod and barefoot running
  5. Comparing intralesional platelet rich plasma injection and extracorporeal shockwave therapy
  6. Functional evaluation and pain symptomatology or foot and ankle in severely obese
  7. Comparing splinting, exercise, and electrotherapy in hallux valgus
  8. Comparing phonophoresis and myofascial release in plantar fasciitis
  9. Comparing plantar fascia stretch and moist heat heel pad

The impact of anti-cancer treatment on feet

The Foot Tripod


1. A study titled Comparison between the plantar pressure effects of toe separators and insoles in patients with hallux valgus at a one-month follow-up, published in Foot and Ankle Surgery Feb 2021, looked at the difference between prefabricated toe separators or customized insole. The study concluded: After one month of use, the customized insole was more effective in plantar pressure reduction than the toe separator for a hallux deformity.

2.  An article, titled Local Percutaneous Radiofrequency for Chronic Plantar Fasciitis, published in Arthroscopy Techniques in May 2021, compared the use of bipolar radio frequency treatment with open surgery and concludes: Bipolar radiofrequency appears to be a safe procedure for refractory plantar fasciitis that can provide outcomes equivalent to open plantar fascia release with less morbidity.

3. A study titled Physiotherapy Approach to Patients with Chronic Plantar Fasciitis: Comparison of the Effects of Specific Stretching Exercise and High-Load Strengthening Exercise, published in Journal of the Korean Society of Integrative Medicine in Sept 2021 compared Extracorporeal shock wave therapy combined with daily plantar-specific stretching with extracorporeal shock wave therapy and high-load progressive strength exercise every other day. The study concludes: the high-load strengthening exercise consisting of the progressive exercise protocol resulted in superior results after 12 weeks compared with plantar-specific stretching.

4. A small study, performed as a part of a Master’s Thesis at Stellenbosch University, titled Acute Kinetic and Kinematic Differences between Minimalist Sandal, Shod, and Barefoot Running in Habitually Shod Male Recreational Trail Runners, concludes: minimalist running simulates barefoot running. Vertical load rates may be higher in a barefoot and minimalist sandal condition during the initial transition period because of a lack of kinematic changes at the knee.

5. A study titled A comparative study between intralesional platelet rich plasma injection and extracorporeal shockwave therapy for the treatment of plantar fasciitis, published in Journal of Arthroscopy and Joint Surgery in Sept 2021, concludes:Both autologous Platelet Rich  Plasma and extracorporeal shock wave therapy can become extremely useful modalities for management of recalcitrant cases of plantar fasciitis with no known adverse effects.

6. A study, titled Functional evaluation and pain symptomatology of the foot and ankle in individuals with severe obesity—controlled transversal study, published in Rev Bras Ortop (Sao Paulo) in Apr 2021, concludes: the incidence of foot pain was higher in the group of severely obese patients (BMI >40) compared with the control group. According to the American Orthopedic Foot and Ankle Society scale, functional forefoot, mid foot, and hind foot performance was worse in severely obese individuals.

7. A study titled A comparison of the effectiveness of splinting, exercise, and electrotherapy in women patients with hallux valgus: A randomized clinical trial, published in The Foot in Sept 2021, concludes:
    Conservative treatment methods improve foot function in patients with mild to moderate Hallux Valgus
    Splinting was more effective than exercise and electrotherapy in the management of Hallux Valgus.
    A combination of splinting, exercise and electrotherapy may be more beneficial to improve Hallux Valgus symptoms.

8. A study titled Effect of phonophoresis and myofascial release in plantar fasciitis, published in Journal of Clinical Orthopaedics in 2021 concludes: phonophoresis was found to be more helpful than myofacial release in lowering pain and improving functional status.

9.  A study titled A comparative study to analyze the effect of plantar fascia stretch and heel pad with moist heat in the patients of plantar fasciitis, published in Global Journal of Medical and Clinical Short Communications in Aug 2021, concludes: plantar fascia stretch has more significant effect on plantar fasciitis than heel pad with moist heat.



  1. An article, found at, titled The Impact of Anti-cancer treatment on feet by Afni Shah-Hamilton in spring 2021, is a great reference on the effects of chemotherapy on the feet and how those challenges may be treated.                                                     
  2. A great facebook post, by Michael Mcaleese, titled The Foot Tripod shows the importance of standing on the whole foot, not just the heel or toes.


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