“…methylprednisolone, (13,15,21) prednisolone (7) and triamcinolone. (20) To guide the corticosteroid injections, seven RCTs used the palpation method, (7,15,16,(18)(19)(20)(21) two used USguidance, (14,17) and one used both US-and palpation-guided injections in different arms. (13) Three approaches of injections were employed in the studies: eight RCTs adopted the medial approach, (7,(14)(15)(16)(17)(18)(19)(20) one adopted the posterior approach (13) and one involved injections through the plantar aspect of the heel pad.…”