Fig. 2From: Comparison of the therapeutic outcomes between open plantar fascia release and percutaneous radiofrequency ablation in the treatment of intractable plantar fasciitisThe procedure of open plantar fascia release. a We marked the pain zone at first. b–f Dissection carried out through the skin and subcutaneous tissue and exposed the plantar fascia from medial hindfoot. Half of the medial plantar fascia was released through medial incision. e There was only a micro-wound left on the footBack to article page