A typical rugby match is 80 minutes of intense physical demands, including running, tackling, kicking, scrimmaging and more. Players run the equivalent of more than four miles and test their strength repeatedly during lineouts, scrums and other activities. Further, only brief pauses in play separate the action of a match. To give an effective performance, rugby players must develop and maintain a combination of muscular strength and physical endurance.
Identification
Iain Fletcher, a British sports scientist and trainer, defines muscular endurance as the ability of the muscles in the body to continue contracting for an extended period of time. This is vital in rugby, where the typical match lasts a total of 80 minutes and includes intense demands on the players' strength and endurance. Muscular endurance enables players to cover the field of play quickly and perform repeated activities that require strength, such as tackling opposing players and participating in scrums.
Significance
The rugby program at George Mason University in Virginia compiled data on the physical demands of a rugby match. The program estimated that during a game, players will run between four and six miles, often at 70 percent to 80 percent of full running speed. In addition, tackles, lineouts and scrums place great demands on players' strength. George Mason University estimated that a typical match may involve 15 to 20 scrums and 20 to 30 lineouts. Proper muscular endurance leads not only to improved performance on the pitch, but also reduces player injuries.
Expert Insight
Dr. Tudor O. Bompa, an expert in strength training for sports, writes on the Coachr.org website that muscular endurance for rugby players requires starting power, or the ability to cover distances in the shortest time possible; acceleration power, or the ability to achieve high sprinting speeds; and the ability to generate maximum force at the beginning of a muscular contraction. This allows players to tackle opposing teams' ball carriers quickly.
Features
Although most strength and endurance training occurs in a gym, Fletcher writes that weight training is not necessary to enhance muscle endurance. He recommends a circuit that includes such exercises as overhead tackle bag throws, one-on-one scrimmaging, tackles and lunges with a tackle bag, and piggy-back squats with a partner. Fletcher further recommends a 20-meter sprint, followed by a 20-meter jog, between each exercise to enhance aerobic endurance. This exercise circuit improves endurance while developing some gains in muscular strength. Muscular endurance programs can, however, involve weight training, and the Irish Rugby Football Union advises that such programs emphasize proper exercise technique, proper spotting by partners and the performance of an appropriate number of repetitions, or reps, of each exercise.
Warning
The Irish Rugby Football Union warns that resistance training for rugby differs from strength training in weightlifting and body building, which emphasize the ability to lift maximum weight loads for a single repetition. Weight training for rugby should emphasize multiple repetitions of a single exercise to enhance endurance. For this reason, IRFU states that maximum weight loads are not appropriate, especially for young players.
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