![]() “You could really strain your back and legs muscles and tendons.” “You’re holding most of your weight with muscles that you normally wouldn’t use in this way,” he said. It’s not just the spine that might be affected, he added. “That might hyperextend the neck and cause serious spine damage.” “If you were to lose your core balance during the lean and didn’t catch the fall with your arms, you could hit your jaw,” Garcia-Corrada said. Garcia specializes in the medical rehabilitation of the spine at Emory School of Medicine. Jose Garcia-Corrada, but they could seriously injure themselves if they fell. Not only would most people need intensive training to accomplish the move, said Atlanta physiatrist Dr. It takes a lot of practice to develop the core muscles, abs and central trunk muscles to get the strength to do it.” Yagnick agreed: “Normal people, even with the shoe, probably can’t do it. You need a very good core of strength, and that strength was in Michael Jackson and his Achilles tendon.” “Very inventive idea of him,” Tripathi said with a laugh, “because even with that shoe, I am not able to do 45 degrees. Patented on October 26, 1993, the shoes “have a specially designed heel slot which can be detachably engaged” with a “hitch” (such as a nail) projected through the stage surface “by simply sliding the shoe wearer’s foot forward, thereby engaging with the hitch member,” according to the US Patent Office description. So he and his team invented a special shoe that would anchor him to the floor during the tilt. Though Jackson was in marvelous shape, even he couldn’t do the maneuver without help. “Most trained dancers with strong core strength will reach a maximum of 25 or 30 degrees of forward bending while performing this action.” “This allows for a very limited degree of forward bending from the ankle joints, while keeping a stiff straight posture – unless you are Michael Jackson,” they explain in the study. Instead, the strain is put on the calf and Achilles tendon, which aren’t really built for that role. But when the focus of bending is switched to the ankles, those erector muscles aren’t the major support. When the human body bends forward with the back straight, the doctors explain, the erector spinae muscles that run parallel to our vertebrae “act like cables” and support the body as the center of gravity shifts. “The King of Pop” has not only been an inspiration but a challenge to the medical fraternity.On the left, how the body is supposed to bend on the right, how Michael Jackson did it Journal of Neurosurgery Though a visual delight, such moves also lead to new forms of musculoskeletal injuries. Tripathi said, “MJ has inspired generations of dancers to push themselves beyond their limits. The full story on the antigravity tilt is published in a new article in the Journal of Neurosurgery entitled “How did Michael Jackson challenge our understanding of spine biomechanics?” ( ). They also warn other neurosurgeons of new forms of spinal injuries, as dancers follow Jackson’s example and attempt “to jump higher, stretch further, and turn faster than ever before.” Admitted fans of Jackson, the neurosurgeons document how the antigravity tilt was accomplished, taking into account the talent and core strength of the artist, as well as his inventiveness and use of a patented aid, that together seem to move his body past human limits. ![]() ![]() Even the strongest of dancers can only maintain a 25- to 30-degree forward tilt from the ankle. walk us through some basics of spinal biomechanics to show just how impressive is the feat. ![]()
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