Serious Games in Sport. Applications in the field of sport science

Transcription

1 Serious Games in Sport Applications in the field of sport science

2 Overview Video Game systems Training device 06/10/2011 Play the game 11 / Elmar Weltin / IfSS Freiburg 2

3 Overview Video Game systems Training device Measurement device Scale BMI COP measurements Play the game 11 / Elmar Weltin / IfSS Freiburg 3

4 COP measurements with the Balance Board The balance board is a valid tool for the assesment of standing balance (Clark et al. 2010) Excellent COP swaypath test retest reliability Play the game 11 / Elmar Weltin / IfSS Freiburg 4

5 Research Comparison of a conventional sensorimotor training (SMT) and a reactive balance training on the Nintendo Wii Balance Board (Röttger et. al 2011) 06/10/2011 Play the game 11 / Elmar Weltin / IfSS Freiburg 5

6 Concepts of the study Wii Fit: SMT: Training: 3x per week; approx. 45 min. Training: Balance-Games of the Wii-Fit Program on Balance- Board Duration: 6 Weeks Training: 3x per week; approx. 45 min. Sensorimotor Toys: Balanceboards; Softmats (Airex-Matte ) Duration: 6 Weeks Group comparison (T0) and after 6 Weeks (T1) postural stability; strength capacity 06/10/2011 PräsentPlay the game 11 / Elmar Weltin / IfSS Freiburg 6

7 Weg (m) Weg (m) Results Postural sway path in the 40 Sec condition Test on the Posturomed anterior-posterior medio-lateral 1,2 1 0,8 * * * ^ 1,80 1,60 1,40 1,20 * * ^ 0,6 0,4 T1 0,80 * * T0 1,00 0,60 T0 T1 0,2 0,40 0,20 0 SMT Wii 0,00 SMT Wii * p<0,05 betweenn T0 und T Play the game 11 / Elmar Weltin / IfSS Freiburg 7

8 mv.s/m Results Neuromuscular Activity of joint comprising muscles (M. peroneus longus, M. tibialis anterior) 40sec-test 25 Quotient Muskelaktivität pro Weg tib+per/a-p * T0 T1 5 0 SMT Wii * p<0,05 zwischen T0 und T Play the game 11 / Elmar Weltin / IfSS Freiburg 8

9 Weg (m) Weg (m) Results Damping characteristics following medio-lateraler displacement 4 sec-interval anterior-posterior medio-lateral 0,45 0,8 0,4 0,35 0,3 0,25 0,2 0,15 * * T0 T1 0,7 0,6 0,5 0,4 0,3 * T0 T1 0,1 0,2 0,05 0,1 0 SMT Wii 0 SMT Wii Pre Post * p<0,05 zwischen T0 und T Play the game 11 / Elmar Weltin / IfSS Freiburg 9 secs

10 Conclusion SMT Training versus reactive Balance Training No adaptation on strength and power Effects on postural stability adaptation are comparable Slightly enhanced neuronal activity in reactive Balance conditions Play the game 11 / Elmar Weltin / IfSS Freiburg 10

11 Research Influence of different gravitational levels on motor control + = COP sway-path as game controller PräPlay the game 11 / Elmar Weltin / IfSS Freiburg 11

12 Concept of the study Cross sectional study 5 days Training à 20 Min pre measurements 17 female subjects - age: 21 and 31 years - weight: ave 61,65 kg - No restrictions by functional deseases Game performance on the Wii in different unloading conditions Play the game 11 / Elmar Weltin / IfSS Freiburg 12

13 Concept of the study 6 conditions - 0 %, 15%, 30 %, 45%, 60 % and 75% buoancy (% Body weight) Ski Slalom and Balance Bubble (Wii Fit Plus) AIM: Determine game performance under various unloading conditions Play the game 11 / Elmar Weltin / IfSS Freiburg 13

14 Setup Play the game 11 / Elmar Weltin / IfSS Freiburg 14

15 Concept of the study In a second measurement game performance was determined under buoancy compensated conditions (elastic ropes) Subjects have been loaded in order to achieve in each condition 100 % BW 3 conditions Con. 1: 15% BW Con. 2: 30% BW Con. 3: 45% BW Play the game 11 / Elmar Weltin / IfSS Freiburg 15

16 Total time in s Results Wii Ski * * % 15% 30% 45% 60% 75% Bouyanncy in % bodyweight * = p>.05 ;significance with 0% Play the game 11 / Elmar Weltin / IfSS Freiburg 16

17 Ranking Results 2,5 Balance Bubble 2 * * * 1,5 1 0,5 0 0% 15% 30% 45% 60% 75% Bouyancy % bodyweight * = p>.05 ;significance with 0% Play the game 11 / Elmar Weltin / IfSS Freiburg 17

18 Time in s Results Load compensated Wii Ski Con. 1: 15% BW Con. 2: 30% BW Con. 3: 45% BW 5 0 Norm Con1 Con2 Con3 Game performance can be restored and slightly supercompensated Play the game 11 / Elmar Weltin / IfSS Freiburg 18

19 Conclusion Up to 30% Buoyancy no effects on game performance > 30%: linear decreases Compensation of buoyancy by artifical loading is effective to restore game performance (unloading effects)????? Play the game 11 / Elmar Weltin / IfSS Freiburg 19

20 Synopsis & Prospects Effects of a reactive balance training on the balance board and a SMT are comparable regarding improvements of stand stability vs Play the game 11 / Elmar Weltin / IfSS Freiburg 20

21 Synopsis & Prospects Diminished balance control with reduced load Up to 30 % buoyancy no loss of balance control Applications in Rehabilitation Play the game 11 / Elmar Weltin / IfSS Freiburg 21

22 Synopsis & Prospects Possibility of using the Wii balance board as training device for astronauts to minimize the effects of space motion sickness upon reentry in earth atmosphere Play the game 11 / Elmar Weltin / IfSS Freiburg 22

23 Thank You! Play the game 11 / Elmar Weltin / IfSS Freiburg 23

24 Introduction Prolonged space missions lead to: I. Loss of bone mass II. Loss of muscle mass III. Long term adaptations of motor control to micro gravity Thus, astronauts demonstrate severe dysfunction in motor control, especially in balance after reentry into gravitational conditions. (Clement et al. 2005, Reschke et al. 2009, Edgerton et al. 2001) PFC2011 / Elmar Weltin / IfSS Freiburg 24

25 CNS processes feedback from various sources: Visual System (Nashner, Berthoz 1978) Vestibular System (Allum und Pfalz 1985) Spinal Reflexes Stretch reflexes (Diener et al. 1984, Dietz et al. 1987) Cutaneous cues from the plantar sole (Kovounoudias et al Präsentation / Referentin / Fakultät oder Institut 25

26 Aim Problem: Balance training in µg PFC2011 / Elmar Weltin / IfSS Freiburg 26

27 Research Parabolic Flight Campaign 2011 Aims: Technical feasibility of the Nintendo Wii system under microgravity conditions Investigate the possibility to pre-adapt the sensorimotor system to a gravity environment different from the habitation environment Investigate differences in balance control under different gravity conditions Präsentation / Referentin / Fakultät oder Institut 27

28 Concept of the Study Aquatic Group (n=5) Training under Martian gravity 6 training units; 20 minutes each Control Group (n=4) Training under normal gravity 6 training units; 20 minutes each Methods Comparison of the groups under Martian gravity Comparison under different gravity levels with respect to normal gravity Präsentation / Referentin / Fakultät oder Institut 28

29 Results Präsentation / Referentin / Fakultät oder Institut 29