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Mnemonics, Simplified Concepts & Thoughts

Plantar fasciitis : Injection Technique

Epomedicine, Aug 2, 2024Aug 2, 2024

Last updated on August 2, 2024

Anatomy

Plantar fascia arise from medial and lateral tubercles on the inferior surface of calcaneus. The lesion is invariably found at the medial head.

Intersection technique

1. Position: Supine with knee flexed and hip externally rotated (figure of 4)

2. Landmark: Point of intersection of a line drawn parallel to axis of tibia from the posterior margin of medial malleolus and a horizontal line from inferior margin of medial calcaneal tuberosity

  • The point of intersection is the proximal attachment of plantar fascia at the medial tubercle of calcaneal tuberosity

3. Medication: 1 ml of 40 mg/ml methylprednisolone + 1 ml of 10 mg/ml (1%) lignocaine + 3 ml normal saline (to enable wider diffusion) in 5 ml syringe with 18 G needle

4. Approach: At the intersection landmark, medial tubercle of calcaneal tuberosity is approached and advanced until deep plantar fascia is engaged. Inject the preparation of medication.

5. Post-injection: Injection site is covered with an adhesive coverlet

plantar fasciitis injection
“The Best Walking and Running Shoes for Plantar Fasciitis” by carltonmartinez is licensed under CC BY 2.0.

Reference: Salvi, A. E. (2015). Targeting the Plantar Fascia for Corticosteroid Injection. The Journal of Foot and Ankle Surgery, 54(4), 683–685. doi:10.1053/j.jfas.2014.10.011

Plantar approach

1. Position: Prone with foot held in strong dorsiflexion

2. Landmark: Identify tender point on medial side of heel

3. Medicine: 0.5 ml of 40 mg/ml Triamcinolone (20 mg) + 1.5 ml of 2% Lignocaine in 2 ml syringe with 21 G needle

4. Approach: Insert needle perpendicularly into medial side of soft part of sole, just distal to heel pad. Advance at 45 degrees towards calcaneus until touching bone. Pepper solution in 2 rows into fascia at its medial origin of bone.

plantar fascia injection

Reference: Injection Techniques in Musculoskeletal Medicine – 5th Edition

Aftercare

1. Bilateral gel heel raises for men and low-heeled shoes for women

2. Intrinsic muscle exercise and daily active stretching of fascia

3. Rolling the foot on a golf ball or dense squash ball to apply deep friction can be helpful

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Epomedicine. Plantar fasciitis : Injection Technique [Internet]. Epomedicine; 2024 Aug 2 [cited 2025 May 30]. Available from: https://epomedicine.com/clinical-medicine/plantar-fasciitis-injection-technique/.

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