http://www.rugbycanada.ca Athlete Assessment: Stfx Womens Rugby By: Kortney Matchett, Ann-Terese MacDonald, Jenn Lee Introduction to the Sport • Rugby: Intermittent, high intensity sport • Team consists of 15 athletes • Divided into 8 forwards and 7 backs • Forwards = the tacklers • Backs = the runners • Objective: move the ball down the field into the other teams half • Matches are 80 minutes • Divided into two 40 min halves with a 10 minute break in between (Gabbet, King & Jenkins, 2008). http://albatrossrfc.yolasite.co m/positions-in-rugby.php Introduction to the Sport • Only allowed to throw the ball backwards • But the ball can be carried or kicked forwards • The opposing team is allowed to tackle the advancing team in order to gain possession of the ball • If the ball advances past the goal line of the opposite team points or a try is scored • Competition season: September – November (Gabbet, King & Jenkins, 2008). http://albatrossrfc.yolasite.co m/positions-in-rugby.php Introduction of the Athlete • • • • • • • Female Rugby Player Year of age: 20 Weight: 143lbs Height: 5’ 7” BMI = 22.4 Position: Outside Center (Back Position) Obtains information on health from various university level heath classes, personal experience, word of mouth, and common sense http://www.rugbyfever.com http://albatrossrfc.yolasite.com/positi ons-in-rugby.php Energy Systems • Back Position = Mainly high-intensity • Creatine Phosphate • Used during tackling and sprinting, passing, and jumping • Lasts 5-10 seconds • Creatine stores can be maintained by consuming animal sourced foods (Doyle, Dunford, 2012) http://www.brianmac.co.uk/energy.htm Energy Systems • Anaerobic Glycolysis • Main energy system used due to the “stop and go” of the sport • Used for sprints, or repeated high intensity sprints of the game • Lasts for as long 2 minutes • Can be maintained with adequate amount of CHO consumed (Holway, Spriet, 2011) (Doyle, Dunford, 2012) http://www.brianmac.co.uk/energy.htm Energy Systems • Oxidative Phosphorylation • Is aerobic (uses oxygen) • Used after 2 minutes • Within the sport, used when she is standing, walking, jogging and running for long periods of time • Uses fat as the main source of energy http://www.brianmac.co.uk/energy.htm Training Regime • 6 days/week • 2 hours/day • Mostly endurance training during practices with some aspects of strength required • Does her own resistance training (1/4 of the time/day) • No specific nutrition plan followed to support training: http://www.gymprofessor.com/workouts/sportsspecific-workouts/rugby-power-training-gymworkout/ • Eats healthy and stay hydrated • Does not eat heavy before training/game but instead eats after (usually high in CHO) • Nutrients that performance is best dependent on • Water • Low glycemic index CHO What does Game day look like? Time of Day Breakfast 8:00am Pre-Event 3:00pm Game Time 7:00pm – 9:00pm Post Event 10:00pm 4. Post-Game 2. PreGame 1. Breakfast 3. Game http://www.printfree.com/Kids/ClockFace.htm Nutritional Issues Related to Rugby • Pre-game meal: • Enough CHO • Achieving euhydrationr • During Event: • • • • Delay Fatigue Avoid Hunger Avoid GI upset Avoid Hypohydration http://fitnessgurunyc.com/tag/hydration/ • Post: • • • • Replenish CHO PRO and AA replenishment Replenish water and sodium Avoid GI upset http://www.craigcarrollpt.com/201 1/01/?cat=3 Athlete Recommendations (Pre-Event) Pre-event KCAL CHO PRO FAT WATER N/A 3-4.5g/kg =195-292.5g 1.2-1.4g/kg =78-91g 1g/kg =65g 5-7ml/kg =325-455ml 3-5ml/kg -195-325ml Athletes Total 1086kcal 190g 20.8g 32.3g 600ml 300ml NAH YEAH NAH NAH YEAH Athlete Recommendations (During Event) KCAL CHO PRO FAT WATER During Event N/A 30-60g/h =60-120g 0g 0g Customized to tolerance Athletes Total 12.8g 0g 0g 400ml NAH YEAH YEAH COULD DO BETTER 52kcal Athlete Recommendations (Post-Event) KCAL CHO PRO FAT WATER Post - Event N/A 1.5g/kg =97.5g 10-20g 1g/kg=65g 1.5L/kg weight loss Athletes Total 439kcal 19.85g 80.32g 5.3g 600ml NAH NAH YEAH NAH NAH Practical Issues that a Rugby Player Faces • Hydration during the event • Unless multiple subs, hydration can only occur when a try occurs • Important to avoid dehydration which can negatively affect performance http://www.thesfmarathon. com/2012/06/04/whatshot-in-hydration/ • CHO intake during the event • Again, unless multiple subs CHO intake during a game is difficult • Important for the delay of fatigue • Nerves before the game • Can affect GI http://www.stockton.edu/ospreys/ Nutrition/03/Carbs12-02.htm Overcoming Practical Issues • Utilize the rest period • Utilize subs • After scoring a try, consume Gatorade instead of just plain water http://en.wikipedia.org/w iki/Gatorade http://www.stockton.edu/ospreys/ Nutrition/03/Carbs12-02.htm Conclusion • Based on the one day analysis: • Athlete was not consuming enough CHO before, during and after the event • Athlete was consuming enough PRO after the event • Athlete was not consuming water during and after the event References • Doyle, J., Dunford M. (2012). Nutrition for Sport and Exercise Second Edition. Belmont, CA. Wadsworth Cengage Learning. • Gabbett, T., King, T., Jenkins, D. (2008) Applied Phisiology of Rugby League. Sports Medicine, 38(2). Retrieved from http://web.ebscohost.com.libproxy.stfx.ca/ehost/pdfviewer/pdfviewersid=cb2414b76e68-4f4e-bbc6-88dec466bbfa%40sessionmgr12&vid=4&hid=7 • Holway, F., Spriet, L. (2011). Sport-specific nutrition: Practical strategies for team sports. Journal of Sports Sciences, 29(1). Retrieved from http://www.tandfonline.com.libproxy.stfx.ca/doi/full/10.1080/02640414.2011.605459 Questions?