Ultrasound-guided techniques in the treatment of myofascial pain syndrome: a comparison of superficial and deep dry needling

Med Ultrason. 2026 Jun 17. doi: 10.11152/mu-4618. Online ahead of print. ABSTRACT AIMS: To compare the effectiveness of ultrasound (US)-guided superficial dry needling (SDN) and deep dry needling (DDN) in patients with myofascial pain syndrome (MPS) of the upper trapezius muscle. MATERIAL AND METHODS: This prospective, single-blind, randomized study included 80 patients with upper trapezius […]