Effects of an eight week yoga intervention on hamstring flexibility and sprint performance
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This study investigates the impact of an eight-week yoga intervention on hamstring flexibility and sprint performance among rugby players. Although yoga is known to improve flexibility and athletic performance, results indicated no significant difference in flexibility or sprint speed between the experimental group practicing yoga and the control group maintaining regular training. The findings suggest that while yoga interventions can be beneficial, they may not lead to measurable improvements in this specific context.
Effects of an eight week yoga intervention on hamstring flexibility and sprint performance
- 1. Effects of an eight week yoga intervention on hamstring flexibility and sprint performance Tilak Raj (Tiya Yoga)
- 2. Research Question • To examine the relationship between hamstring flexibility and sprint speed of athletes Research Question
- 3. Yoga • Improves flexibility (Van Puynbroeck, Payne et al. 2007). • Enhances performance (Woodyard, C. 2011). • Improves body posture, and reduces injury recovery time (Woodyard, C. 2011). Literature Review
- 4. Flexibility • Flexibility routines has been accepted by coaches and trainers (Iain M. Fletcher & Anness, 2007) • A component of physical fitness and athletic performance (Guiser, 2017) • Prevention of injuries (I. M. Fletcher and Jones, 2004; Shellock & Prentice, 1985; Shrier, 2004) • Improved sprint performance (Iain M. Fletcher & Anness, 2007; Guiser, 2017) Literature Review
- 5. Yoga Intervention • A yoga intervention specifically designed for rugby players • Targets the non-contact injuries and body parts with the highest incidence of injury based on the report provided by ACC • Using yoga intervention as a tool for Pre-habilitation • Previous interventions are not adaptable in nature • Can not be followed by a large population • This yoga intervention is a progressive intervention
- 6. Yoga Intervention cont.… • Carefully selected yoga postures (asana) to meet the needs of the game. • A standardised yoga sequence to practice • Yoga classes, two times a week for eight weeks • Morning 7:30 • Evening 6:30 • Including yoga in addition to the rugby training
- 7. • Flexibility test using Sit and reach box Method Convenience sampling method • Sprint speed using electronic timing gates
- 8. Methods • Sample • 13 rugby players from same team volunteered for the study • Randomly assigned in two groups • experimental group (practicing yoga) 7 players = 54% • control group (continue regular training) 6 players = 46% Methods
- 9. Procedure • Data was collected over 8 weeks at the beginning of the rugby season and in mid season. • Both groups were tested together on one day. • Using the facility of Recreation centre and New Zealand Cricket High Performance Centre at Lincoln University.
- 10. Table 1. Mean ± SD pre- and post yoga intervention. Pre-season Mid-season Control group n=6 Experimental Group n=7 Control group n=6 Experimental Group n=7 Age 18 18 18 18 Mean±SD Height (CM) 182.7±3.4 183±4.6 183.6±4 183.3±4.5 Weight (KG) 86.3±12.2 92.3±23.2 89.9±14.1 94.2±22.8
- 11. Findings -1 -5.01 -14 -12 -10 -8 -6 -4 -2 0 2 4 . Flexibility Difference Experimental group Control Group -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 5M Sprint 10M Sprint 30M Sprint Sprint Speed Experimental Group Control group Findings
- 12. Results • There was no significant difference in both group. Result
Editor's Notes
- #4: A brief background of yoga and its benefits to state its importance.
- #5: Importance of flexibility in daily life e.g. reaching to objects. Rang of motion for joint to be healthy. A flexibility routine that has been in practice and accepted by coaches. Flexibility is part of the Physical fitness testing and sport performance. It further help to prevent injuries. (I. M. Fletcher & Jones, 2004; Shellock & Prentice, 1985; Shrier, 2004) (Iain M. Fletcher & Anness, 2007; Guiser, 2017)
- #6: Yoga may address problems (e.g. poor flexibility, muscular fatigue) related to specific playing positions such as hooker, flanker (Iyengar B.K.S 2015, Van Puynbroeck, Payne et al. 2007). Explain, why it has to be a standard program and as part of the rugby training.
- #9: Experimental group = they were asked to participate in yoga classes two times a week alongside with their rugby training. Control group = They were advised to continue their regular rugby training.
- #12: Mention the reduction in flexibility in Control group and experimental group. Explain the changes in the sprint speed of athletes in both group.