Jailhouse rock (fighting style)

Jailhouse rock or 52 Hand Blocks is a name used to describe a collection of fighting styles that were practiced and/or developed within US penal institutions back in the 1960s and 1970s. Today Jailhouse Rock is more commonly known and referred to as "52 Hand Blocks" or "52". There is many different manifestations of 52 Hand Blocks but they all share a commonality in blending western boxing with other stylised martial arts techniques. The origins of 52 Hand Blocks, although highly debated, coincide with golden era of martial arts in America when Chinese cinema was booming.

Jailhouse rock (fighting style)

Jailhouse rock or 52 Hand Blocks is a name used to describe a collection of fighting styles that were practiced and/or developed within US penal institutions back in the 1960s and 1970s. Today Jailhouse Rock is more commonly known and referred to as "52 Hand Blocks" or "52". There is many different manifestations of 52 Hand Blocks but they all share a commonality in blending western boxing with other stylised martial arts techniques. The origins of 52 Hand Blocks, although highly debated, coincide with golden era of martial arts in America when Chinese cinema was booming.