Michael Jackson - Smooth Criminal -

Despite the mechanical help, the researchers emphasized that the move still required extraordinary core, abdominal, and trunk strength to maintain the rigid posture without falling. Narrative & Lyrical Analysis

The paper notes that the move was facilitated by a co-invented shoe mechanism (U.S. Patent No. 5,255,452). These special shoes featured a heel slot that locked onto a retractable peg on the stage floor, allowing the performer to lean beyond their center of gravity. Michael Jackson - Smooth Criminal

A trained dancer can typically achieve a maximum lean of 20 to 30 degrees. Attempting Jackson's 45-degree angle places immense strain on the Achilles tendon and spinal muscles, which could lead to serious injury. Despite the mechanical help, the researchers emphasized that

Other "deep" analyses of the song often focus on its production and lyrical symbolism: 5,255,452)

The most prominent "deep paper" related to Michael Jackson's "Smooth Criminal" is a scientific study published by neurosurgeons in the . The "Anti-Gravity" Scientific Paper

The study explores the biomechanical impossibility of the 45-degree "anti-gravity lean" performed by Jackson and his dancers. Key findings include:

In 2018, neurosurgeons Nishant S. Yagnick, Manjul Tripathi, and Sandeep Mohindra published a paper titled .