Collegiate rodeo athletes (N = 156) in the National Intercollegiate Rodeo Association (NIRA) Southern Region, were examined for injuries during a 7 month (10 rodeo) season from 1987 to 1988. Sixty-two athletes sustained a total of 138 acute injuries resulting from 3292 exposures. One hundred twenty-seven injuries (92% of total injuries) occurred in the roughstock and steer wrestling events, and 11 injuries (8%) occurred in the roping and female events. When calculating opportunity for injury, rodeo athletes face an 89% potential for injury per season. Ninety-one of the injuries incurred were upper body injuries; 47 were lower body injuries. A 6:1 exposure to injury ratio among roughstock events exemplifies the magnitude of injury potential in this sport, affecting 25% of roughstock competitors. Contusions, strains, and concussions comprised 42%, 16%, and 11% of the total injuries, respectively, whereas fractures and dislocations comprised only 5% of the total. Twenty-three percent of the injuries occurred during the completion of an athlete's ride, with 21% of injuries attributed to equipment mishaps. Frequency of injury by performance, relation of seasonal participation and exposure to injury, orthotic care, use of conditioning programs, medication history, and need for enhanced sports medicine education in this sport are discussed.
In this study we examined the physical, hematologic, and exercise response of 20 male and 10 female athletes of the National Intercollegiate Rodeo Association, Central Rocky Mountain Region. Male subjects were grouped by roughstock, steer wrestling, and roping events. Female athletes were grouped separately. Maximal aerobic capacity, pulmonary ventilation, respiratory exchange ratio, energy expenditure, maximal heart rate, blood pressure, treadmill time, pre- and postexercise lactate, percent body fat, lean body mass, blood chemistry, serum lipids, and reaction/movement time were analyzed by event. No significant differences (P greater than 0.05) were found in any of these categories between male events. Mean resting blood chemistry parameters of rodeo athletes were within normal ranges. Steer wrestling athletes possessed greater body size and lean body mass than other groups. When analyzing body composition, blood pressure, and total cholesterol:high-density lipoprotein (HDL) cholesterol ratios, results indicate average to low risk for coronary heart disease. When compared to other intermittent-activity sport athletes, college rodeo athletes appear to have similar aerobic capacities, but possess lower lean body mass and greater percent body fat.
This study supports earlier research reporting a difference in fiber orientation between the proximal and distal VM fibers; however, contrary to statements in published literature, the VMO does not appear to be an anatomically separate structure from the VML inherent throughout the human population. The results of this study do not support the concept that the VMO and VML exist as anatomically separate structures in a sample of human cadavers.
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