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The modern understanding of “the core” and the need to properly condition it has become well known among athletic and active people, including martial artists (yes, the importance of the hips has been belabored for centuries, but the modern anatomically based concept is not necessarily the same thing). The core refers to the muscles, connective tissues and bones of the torso, yet to many it’s just the rectus abdominis (the “6-pack’). However, the core can be more accurately thought of as the support, stabilization and movement system for the spinal column. This stack of 33 vertebrae (24 moving and 9 fixed) is connected by many ligaments and muscles, which provide oppositional tension akin to the guy wires on a tall tower.
This is a follow up to Bob’s introduction to rhabdomyolysis as it relates to martial artists.
Rhabdomyolysis is the destruction of skeletal muscle leading to the release of the muscular tissue components creatine kinease (CK) and myoglobin into the bloodstream (Huerta-Alardin, Varon & Marik, 2004). These components can pose a potential serious risk to the kidneys as they are cleared from the blood stream. Rhabdo can be caused by numerous factors, and can cause symptoms ranging in severity from mild to life threatening. Classic symtpoms include muscle pain, weakness and darkened urine (ranging from pinkto cola colored). Blood tests reveal elevated serum CK and myoglobin levels. More severe cases may present symptoms such as malaise, fever, tachycardia, nausea and vomiting (Huerta-Alardin et al., 2004). In severe cases acute renal failure can result, requiring medical attention.
One of the most disturbing aspects of the martial arts is the lack of adequate sports safety training among martial arts instructors. Deference to tradition regarding training methods and expectations of performance often blinds instructors to the intrinsic dangers associated with fight training. While it is probably impossible to ameliorate all of the dangers associated with fight training responsible instructors should make every effort to be aware of the symptoms of training related injuries, and related conditions.
Rhabdomylosis is potentially fatal condition coaches and trainers of all sorts should be aware of. It can be caused by excessive exercise, and other activities that traumatize skeletal muscle tissue like katakite, tanren, or even pummeling drills. When pounding and crushing activities are combined with intense physical activity the danger is probably greatest.
Here are a couple of links to articles of rhabdomylosys that may be useful for both instructors and trainees:
Rhabdomyolysis ( /ræbdoʊmaɪoʊlɪsɪs/ or /ræbdoʊmaɪoʊlaɪsɪs/) is a condition in which damaged skeletal muscle (Ancient Greek: rhabdomyo-) tissue breaks down rapidly (Greek: –lysis). Breakdown products of damaged muscle cells are released into the bloodstream; some of these, such as the protein myoglobin, are harmful to the kidneys and may lead to kidney failure.