Electromyographic activity of lower limbs to stop baseball batting

Hiroki Nakata, Akito Miura, Michiko Yoshie, Kazutoshi Kudo

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

We investigated the muscle activation pattern of the lower limbs for the stopping motion of baseball batting by recording surface electromyography (EMG) from 8 muscles, the left and right rectus femoris (RF), biceps femoris (BF), tibialis anterior (TA), and medial gastrocnemius (MG) muscles. First, muscle activities for 'Swing' and 'Stopping' trials were examined in 10 skilled baseball players and 10 unskilled novices. Second, the characteristics of EMG activities for 'Stopping' were compared between the 2 groups. The peak latencies of EMG were significantly shorter in 'Stopping' than in 'Swing' at the right-TA, left-BF, and left-MG between both groups. The peak amplitudes of EMG activity were significantly larger in 'Swing' than in 'Stopping' at the right-TA, left-BF, and left-MGin both groups. In addition, the peak amplitudes of EMGactivity for 'Stopping' were significantly larger in the players than in novices at the right-RF and right-TA. The characteristics of EMG activity clearly differed between 'Swing' and 'Stopping,' and between baseball players and nonplayers, indicating that evaluating the EMG activity in batting enables the understanding of proficiency. Our findings should help players, novices, and coaches to optimize batting performance.

Original languageEnglish
Pages (from-to)1461-1468
Number of pages8
JournalJournal of strength and conditioning research
Volume26
Issue number6
DOIs
Publication statusPublished - 2012 Jun
Externally publishedYes

Keywords

  • Athlete
  • EMG
  • Hitting
  • Inhibition
  • No-go

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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