Please refer to the pdf version of the abstract located adjacent to the title

Anning, J.

Cook, A.

Hays, C.

Hughes, C.

Sprigle, S.

Tommarello, D.

TopSCHOLAR

The	  Influence	  of	  Series	  Elastic	  Bands	  on	  Energy	  during	  Acceleration	  Training	  Hays,	  C.,	  Tommarello,	  D.,	  Cook,	  A.,	  Sprigle,	  SH.,	  Hughes,	  CJ.,	  Anning,	  JH.	  Slippery	  Rock	  University,	  Slippery	  Rock,	  PA,	  Georgia	  Tech,	  Atlanta,	  GA.	  	  	  Series	  elastic	  bands	  have	  been	  used	  as	  a	  form	  of	  acceleration	  training	  with	  limited	  research.	  PURPOSE:	  The	  purpose	  of	  this	  study	  was	  to	  examine	  the	  effects	  of	  series	  elastic	  bands	  on	  energy	  during	  acceleration	  training.	  METHODS:	  Twenty	  volunteers	  (mean	  ±	  SD;	  age	  20	  ±	  1	  years;	  body	  mass	  74.6	  ±	  10	  kg;	  height	  177.2	  ±	  11.8	  cm)	  participated.	  Four	  different	  bands	  (Flexbands,	  Speed	  and	  Explosion,	  Stow,	  OH)	  were	  tested	  (listed	  in	  order	  of	  increasing	  resistance):	  RED,	  BLACK,	  PURPLE,	  and	  GREEN.	  Tying	  four	  bands	  of	  the	  same	  color	  in	  a	  series	  created	  an	  elastic	  band	  chain	  (EBC).	  One	  end	  of	  the	  EBC	  was	  secured	  to	  a	  custom	  designed	  slide	  tension	  assembly	  (Sweeney	  Automation,	  Baltimore,	  MD)	  while	  the	  other	  end	  went	  around	  the	  waist	  of	  the	  participant	  prior	  to	  walking	  to	  the	  14-­‐foot	  starting	  position	  so	  slack	  was	  removed	  from	  the	  EBC.	  Elastic	  potential	  energy	  (PE),	  kinetic	  energy	  (KE),	  and	  total	  energy	  (TE)	  for	  each	  EBC	  were	  then	  determined	  at	  one-­‐foot	  intervals	  in	  a	  ten-­‐foot	  training	  range.	  The	  slide	  tension	  assembly	  recorded	  band	  force	  based	  on	  EBC	  elongation	  length,	  and	  an	  electronic	  timing	  system	  (Brower	  Training	  Systems,	  Speedtrap	  2,	  Draper,	  UT)	  recorded	  the	  time	  taken	  to	  run	  through	  the	  ten-­‐foot	  range.	  RESULTS:	  Based	  on	  one-­‐foot	  interval	  force	  and	  time	  zero-­‐intercept	  regression	  analysis	  constants	  and	  energy	  calculations,	  intensity	  increases	  associated	  with	  each	  EBC	  resulted	  in	  an	  increase	  in	  elastic	  PE,	  decrease	  in	  KE,	  and	  increase	  in	  TE	  (refer	  to	  Figures).	  CONCLUSION:	  Despite	  TE	  increasing,	  the	  diminishing	  KE	  and	  elevated	  elastic	  PE	  appear	  to	  have	  detrimental	  effects	  on	  acceleration	  training	  as	  series	  elastic	  bands	  increase	  in	  resistance.	  	  0.0	  200.0	  400.0	  600.0	  0.000	   1.000	   2.000	   3.000	   4.000	  Energy	  (J)	  Distance	  (m)	  RED	  PE	  (1/2kx^2)	   KE	  1/2mv^2	  total	  energy	  (J)	  0.0	  200.0	  400.0	  600.0	  0.000	   1.000	   2.000	   3.000	   4.000	  Energy	  (J)	  Distance	  (m)	  BLACK	  PE	  (1/2kx^2)	   KE	  1/2mv^2	  total	  energy	  (J)	  	  	  	  0.0	  500.0	  1000.0	  0.000	   1.000	   2.000	   3.000	   4.000	  Energy	  (J)	  Distance	  (m)	  PURPLE	  PE	  (1/2kx^2)	   KE	  1/2mv^2	  total	  energy	  (J)	  0.0	  500.0	  1000.0	  0.000	   1.000	   2.000	   3.000	   4.000	  Energy	  (J)	  Distance	  (m)	  GREEN	  PE	  (1/2kx^2)	   KE	  1/2mv^2	  total	  energy	  (J)	  

The Influence of Series Elastic Bands on Energy During Acceleration Training

http://digitalcommons.wku.edu/cgi/viewcontent.cgi?article=2784&context=ijesab

The Influence of Series Elastic Bands on Energy During Acceleration Training

Abstract

Similar works

Full text

Available Versions

TopSCHOLAR