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However, available data do suggest that the importance of maximum isometric strength is underestimated in a variety of athletic populations (Stone et al., 2003a 2003b 2004). Among coaches and sports scientists there is a lack of agreement regarding how much strength is required for optimal performance in most sports (Stone et al., 2002). However there has been limited emphasis placed on relating these force measurements to actual indices of performance. A number of studies have investigated the strength and power characteristics of different types and skill levels of wrestlers (Hakkinen et al., 1984 Silva et al., 1981 Utter et al., 1998, 2002). Previous research has demonstrated the importance of isometric maximal strength (PF) and rate of force development (RFD) in a variety of athletic populations including track cyclists (Stone et al., 2004), track and field athletes (Stone et al., 2003b) and weightlifters (Stone et al., 2005). Therefore, the sport of wrestling is one of the most demanding sports from a metabolic perspective and it is a sport where the requirement of absolute strength and power is critical (Kraemer, 2002 Utter et al., 2002). For example the blood lactic acid concentrations in response to a wrestling match can be over 19 mmol.l-1 (Kraemer et al., 2001). As a combative sport, both forms of wrestling place unique metabolic stresses on the body (Kraemer et al., 2004 Nemet et al., 2004 Utter et al., 1998). In freestyle competition, wrestlers also use their legs and may hold opponents above or below the waist. In Greco-Roman competition, wrestlers use only their arms and upper bodies. Two different forms of wrestling are contested at the Olympic Games. Wrestling is a high intensity sport which requires strength and power of both the upper and lower body as well as relying heavily on isometric force for the various wrestling techniques (Callan et al., 2000 Kraemer et al., 2001 Utter et al., 1998). The lack of strong correlations with other performance variables may be a result of the unique metabolic demands of wrestling.Rate of Force Development does not appear to be as important in college wrestlers.In Division III collegiate wrestlers the isometric mid thigh pull test correlates well with 1RM testing.The lack of strong correlations with other performance variables may be a result of the unique metabolic demands of wrestling. This measure also provides a strong indication of dynamic performance in this population. The isometric mid thigh pull provides a quick and efficient method for assessing isometric strength in athletes.
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RFD does not appear to be as important in college wrestlers. Findings suggest that isometric mid thigh pull test does correlate well with 1RM testing in college wrestlers. There were no other significant correlations with other variables apart from a strong correlation between RFD and coaches ranking (r = 0.62). The correlations were very strong between the power clean 1RM and PF (r = 0.97) and squat 1RM and PF (r = 0.96). Results indicated strong correlations between measures of PF and 1RM (r = 0.73 - 0.97). Correlations between the variables were calculated using the Pearson product moment method. The wrestlers also ranked themselves and the coaches of the team also provided a ranking of the athletes.
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Vertical jump height was measured to determine explosive muscular power. The 1RM for the squat, bench press and power clean exercises were determined as a measure of dynamic strength. Explosive strength was measured as RFD from the isometric force-time curve. They were tested for PF using the isometric mid thigh pull exercise. 13 m Mass M = 78.0, SD = 4.2 kg) who were Division III college wrestlers participated in this study. The purpose of this study was to examine relationships between measures of PF, RFD and one repetition maximum (1RM) strength with other variables that might contribute to successful performance in collegiate wrestlers.
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Among coaches and sports scientists there is a lack of agreement regarding how much strength is required for optimal performance in most sports. Previous research has demonstrated the importance of isometric maximal strength (PF) and rate of force development (RFD) in a variety of athletic populations including track cyclists and track and field athletes.