Tetsuzanko

The Tetsuzanko (鉄山靠, Tetsuzankou, "Iron Mine Leaning") is one of Yun's special attacks, introduced in the Street Fighter III series.

Description
Executed by performing a Shoryuken motion ? and pressing punch, Yun perform a crouching turn-step forward and charges the opponent with back of his shoulder. How far the turn-step travels, how much damage the attack does, and how much startup and recovery time the attack requires all depend on the strength of the punch button pressed.

Light punch turns on the spot and does the least damage, but executes and recovers almost instantaneously; heavy punch travels about two-thirds of the screen and does the most damage, but takes the longest to begin and recover; and medium punch is is a balance between the two. The EX Special version turns faster than light punch, travels the lenght of the screen, and hits twice for as much damage as the heavy punch version.

Tactics
Each version of the attack can allow a fireball to pass safely overhead if timed correctly.

Origin
The tie shan kao (贴山靠) is a technique used in Hakkyoku-ken/Baji Quan (八極拳).
 * Miyako Arima from Melty Blood also possesses this attack, but it is a command normal instead. She can followup with an upward punch similar to the ending of Yun's You Hou attack.

Trivia

 * This move is very similar in appearance and execution to Guy's Hozanto technique.