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2002 Fiscal Year Final Research Report Summary

Mechanism of shock vibrations at the wrist joint during tennis impact

Research Project

Project/Area Number 13650257
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Dynamics/Control
Research InstitutionSaitama Institute of Technology

Principal Investigator

KAWAZOE Yoshihiko  Saitama Institute of Technology, Engineering, Professor (00102898)

Co-Investigator(Kenkyū-buntansha) KANAYA Keiji  Saitama Inst. Tech., Engineering, Professor (90161166)
TOMOSIUE Ryoso  Yasuda Women's College, Human Science, Professor (50320031)
Project Period (FY) 2001 – 2002
KeywordsTennis / Sports Engineering / Tennis Racket / Impact / Restitution Coefficient / Shock Vibrations / Feel / Tennis Elbow
Research Abstract

The terms used in describing the performance of a tennis racket are based on the feel of an experienced tester or player. However, the optimum racket depends on the physical and technical levels of each user. Accordingly, there are a number of unclear points regarding the relationship between the performance estimated by a player and the physical properties of a tennis racket. This research investigates the mechanism of racket performance in terms of the feel or comfort of the arm or hand in an impact. It predicts the shock vibrations of the wrist joint caused by the impact when a male tournament player hits flat forehand drive. The analysis is based on the identification of the racket characteristics, the damping of the racket-arm system, the equivalent mass of the player's arm system and the approximate nonlinear analysis of the impact in tennis. The predicted waveform of shock vibrations of the player's wrist joint agrees fairly well with the measured one. This research could also estimate the feel or comfort of the rackets with different specifications and physical properties.

  • Research Products

    (12 results)

All 2003 2002

All Journal Article (12 results)

  • [Journal Article] Experimental and theoretical criticism of the effectiveness of looser strings for the reduction of tennis elbow.2003

    • Author(s)
      Kawazoe,Y., Tanahashi,R., Casolo,F.
    • Journal Title

      Tennis Science & Technology, Blackwell Science Ltd. 2

      Pages: 61-69.

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Prediction of the shock vibrations at the wrist joint with the new large ball compared to the conventional ball impacted to the tennis racket during forehand stroke.2003

    • Author(s)
      Kawazoe,Y., Tomosue,R., Yoshinari,K., Casolo,F.
    • Journal Title

      Tennis Science & Technology, Blackwell Publishing 2

      Pages: 105-112

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Experimental and theoretical criticism of the effectiveness of looser strings for the reduction of tennis elbow2003

    • Author(s)
      Kawazoe, Y., Tanahashi, R., Casolo, F.
    • Journal Title

      Tennis Science & Technology(Blackwell Science Ltd.) Vo.2

      Pages: 61-69

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Prediction of the shock vibrations at the wrist joint with the new large ball compared to the conventional ball impacted to the tennis racket during forehand stroke2003

    • Author(s)
      Kawazoe, Y., Tomosue, R., Yoshinari, K., Casolo, F.
    • Journal Title

      Tennis Science & Technology(Blackwell Publishing) Vo.2

      Pages: 105-112

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Mechanism of High-Tech Tennis Rackets Performance2002

    • Author(s)
      Yoshihiko KAWAZOE
    • Journal Title

      THEORETICAL AND APPLIED MECHANICS 51

      Pages: 177-187

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Experimental Study of the Larger Tennis Ball Effects on the Comfort of the Wrist and the Elbow2002

    • Author(s)
      Y.Kawazoe, R.Tomosue, T.Muramatsu, K.Yoshinari, H.Yanagi
    • Journal Title

      The engineering of Sport, Blackwell Publishing 4

      Pages: 192-199

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Prediction of Various Factors Associated with Tennis Impact : Effects of Large Ball and Strings Tension2002

    • Author(s)
      Y.Kawazoe, R.Tanahashi
    • Journal Title

      The engineering of Sport, Blackwell Publishing 4

      Pages: 176-184

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Are Looser Strings Really Effective for the Tennis Elbow?2002

    • Author(s)
      Y.Kawazoe, R.Tomosue, T.Muramatsu, K.Yoshinari, H.Yanagi
    • Journal Title

      The Book of the 4th International Conference on the Engineering of Sport 4

      Pages: 52-57

    • Description
      「研究成果報告書概要(和文)」より
  • [Journal Article] Mechanism of High-Tech Tennis Rackets Performance2002

    • Author(s)
      Yoshihiko KAWAZOE
    • Journal Title

      THEORETICAL AND APPLIED MECHANICS Vol.51

      Pages: 177-187

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Experimental Study of the Larger Tennis Ball Effects on the Comfort of the Wrist and the Elbow2002

    • Author(s)
      Y.Kawazoe, R.Tomosue, T.Muramatsu, K.Yoshinari, H.Yanagi
    • Journal Title

      The engineering of Sport(Blackwell Publishing) Vol.4

      Pages: 192-199

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Prediction of Various Factors Associated with Tennis Impact : Effects of Large Ball and Strings Tension2002

    • Author(s)
      Y.Kawazoe, R.Tanahashi
    • Journal Title

      The engineering of Sport(Blackwell Publishing) Vol.4

      Pages: 176-184

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] Are Looser Strings Really Effective for the Reduction of Tennis Elbow?2002

    • Author(s)
      Y.Kawazoe, R.Tomosue, T.Muramatsu, K.Yoshinari, H.Yanagi
    • Journal Title

      The Book of the 4th International Conference on the Engineering of Sport Vol.4

      Pages: 52-57

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2011-06-18  

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