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Paper Information

Journal:   RESEARCH ON SPORT SCIENCE   SPRING 2006 , Volume - , Number 10; Page(s) 43 To 55.
 
Paper: 

THE EFFECT OF PROGRESSIVE STRENGTH-ENDURANCE TRAINING AND ELECTRICAL STIMULATION IN VOLLEYBALL PLAYERS WITH INFRASPINTUS SYNDROME

 
 
Author(s):  SHAVANDI N., NIKBAKHT H.A., SADEGHI HEYDAR, EBRAHIMI E., TALEBIAN S.
 
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Abstract: 

Purpose: The purpose of this investigation was to study the effect of progressive strength-endurance training and electrical stimulation in short time on Electronorography of suprascapular nerve in Volleyball players with infraspinatus syndrome.
Method: In this study 12 Volleyball players with infraspinatus syndrome where elected, who had played Volleyball in IRAN super league with average age, height, weight, background of Volleyball activity and selection membership period in the national team (24.2
±4.5 years, 192.5±1.5 cm, 86.2±6.4 kg, 8.5±4 years), 4.2±2.8 years and were devided randomly in two 6 membered groups: a progressive strength-endurance training group and an electrical stimulation group. Control group included 20 Volleyball players with average age, height, weight, background of Volleyball activity and selection membership period in the national team (25.1±4.2 years, 187.8±3.9 cm, 85.5±7.1 kg, 9±3.8 years), 3.9±2.3 years respectively without infraspinatus syndrome. We measured nerve conduction velocity of suprascapular nerve from Erb point up to the infraspinatus muscle with electronorography machine, including electrical stimulation parameters.
Results: Significant increase was observed between the pre-test and post-test results in amplitude of the progressive strength-endurance training group (p<0/05) Also Significant decrease was observed between the pre-test and post-test results in latency in the electrical stimulation group. Amplitude and latency significantly differed between three groups.
Conclusion: Increase of amplitude is a sign of recovery of fibers in infraspinatus muscle caused by progressive strength-endurance training, which in turn causes more strength in the muscle. Decrease in latency could happen due to relative recovery of nerve, which has responded fast to the electrical stimulation with minimum delay.

 
Keyword(s): AMPLITUDE, LATENCY, INFRASPINATUS SYNDROME, VOLLEYBALL PLAYERS, SUPRASCAPULAR NERVE
 
References: 
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