THE ACUTE EFFECTS OF UNILATERAL AND BILATERAL SQUATS ON VERTICAL JUMPING FUNCTIONAL AND ELECTROMYOGRAPHIC INDEXES IN ATHLETE MEN

Q: How can I download an article?

To download an article from SID, first log in to the site, search for the article title, and click on the 'Download Article' option.

Q: How can I download an ISI article?

To download an ISI article on SID, enter the keyword or article title in the search bar, view the relevant results, click on the desired article, and select the 'Download Article' option.

Q: How can I access the SID database?

To access the SID database, visit SID.ir, create an account, and log in to access scientific resources.

Q: Is downloading articles from SID free?

Some articles on SID are available for free, while others require payment. Details are specified on the article's page.

GHAHREMANI R.; NAZEM F.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: SPORT AND BIOMOTOR SCIENCES Year:2014 | Volume:6 | Issue:1 (11) Page(s): 27-36

Download Full-Text

Persian Verion

View:

3,592

Download:

Cites:

Information Journal Paper

Title

THE ACUTE EFFECTS OF UNILATERAL AND BILATERAL SQUATS ON VERTICAL JUMPING FUNCTIONAL AND ELECTROMYOGRAPHIC INDEXES IN ATHLETE MEN

Author(s)

GHAHREMANI R. | NAZEM F. | Issue Writer Certificate

Keywords

POST-ACTIVATION POTENTIATIONQ1

UNILATERAL AND BILATERAL CONTRACTIONSQ2

VERTICAL JUMPINGQ2

ELECTROMYOGRAPHYQ2

ATHLETE MENQ2

Abstract

Purpose: The aim of this study was to determine the acute effects of unilateral and bilateral squats performing (postactivation potentiation) on vertical jump performance and EMG activity of the selected muscles in ATHLETE MEN during a VERTICAL JUMPING.Material and Methods: The subjects were 20 trained ATHLETE MEN (10 volleyball players, 10 basketball players) with the characteristics of age: 20.94±2.56 years, weight: 74.64±6.72 kg, height: 180±6.55 cm) that voluntary participate in this study.the subjects performed each of the three protocols: 1. Common warm up (the running on the treadmill with the speed of 9 km/h in 5 minutes and stretch movements on 3 minutes), 2. warm up and 1 set with two repetitions of dynamic bilateral half-squat with 90% 1RM, 3. warm up and 1 set with two repetitions of dynamic unilateral half-squat with 90% 1RM in three different days and randomized condition. in 5 minutes of recovery from each protocol, subjects were examined with the vertical jump test, and EMG activity of quadriceps and hamstring muscles were recorded in concentric phases of the jumping and during maximum voluntary contraction (MVC). the RMS/MVC index was derived from muscle’s EMG signals. One-way ANOVA with repeated measures was used to data analysis.Results: The VERTICAL JUMPING height have significantly improved after the second and third protocols (POST-ACTIVATION POTENTIATION) compared to common traditional warm up (P=0.043, 0.018 respectively), but no significant differences was found among the quadriceps and hamstring muscles electrical activity in three different conditions (P³0.05).Conclusion: The specific warm up method via using unilateral or bilateral half-squat probably can improve the athlete’s subsequent VERTICAL JUMPING performance. these changes are related to intramuscular variations.

Cites

No record.

References

No record.

Cite

APA: Copy

GHAHREMANI, R., & NAZEM, F.. (2014). THE ACUTE EFFECTS OF UNILATERAL AND BILATERAL SQUATS ON VERTICAL JUMPING FUNCTIONAL AND ELECTROMYOGRAPHIC INDEXES IN ATHLETE MEN. SPORT AND BIOMOTOR SCIENCES, 6(1 (11)), 27-36. SID. https://sid.ir/paper/205310/en

Vancouver: Copy

GHAHREMANI R., NAZEM F.. THE ACUTE EFFECTS OF UNILATERAL AND BILATERAL SQUATS ON VERTICAL JUMPING FUNCTIONAL AND ELECTROMYOGRAPHIC INDEXES IN ATHLETE MEN. SPORT AND BIOMOTOR SCIENCES[Internet]. 2014;6(1 (11)):27-36. Available from: https://sid.ir/paper/205310/en

IEEE: Copy

R. GHAHREMANI, and F. NAZEM, “THE ACUTE EFFECTS OF UNILATERAL AND BILATERAL SQUATS ON VERTICAL JUMPING FUNCTIONAL AND ELECTROMYOGRAPHIC INDEXES IN ATHLETE MEN,” SPORT AND BIOMOTOR SCIENCES, vol. 6, no. 1 (11), pp. 27–36, 2014, [Online]. Available: https://sid.ir/paper/205310/en

Related Journal Papers