Fig. 1From: Transcranial direct current stimulation (a-tCDS) after subacromial injections in patients with subacromial pain syndrome: a randomized controlled pilot studya-tDCS assembly. The anode (a) was applied on the M1 cortical zone for the rotator cuff as identified using TMS. The cathode (b) was applied over the contralateral eyebrow. The sponge electrodes where then secured with rubber band and adhesive tape and soaked in salineBack to article page