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The effects of shoulder plyometric t...

Swanik, Kathleen Ashmen.

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The effects of shoulder plyometric training on proprioception and muscle performance characteristics.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	The effects of shoulder plyometric training on proprioception and muscle performance characteristics./
Author:	Swanik, Kathleen Ashmen.
Description:	82 p.
Notes:	Adviser: Scott M. Lephart.
Contained By:	Dissertation Abstracts International59-06B.
Subject:	Applied Mechanics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9837537
ISBN:	0591911175

The effects of shoulder plyometric training on proprioception and muscle performance characteristics.
Swanik, Kathleen Ashmen.

The effects of shoulder plyometric training on proprioception and muscle performance characteristics. - 82 p.

Adviser: Scott M. Lephart.

Thesis (Ph.D.)--University of Pittsburgh, 1998.

The purpose of this study was determine the effect of plyometric training on selected muscle performance characteristics, shoulder proprioception, and kinesthesia in the shoulder of female Division I varsity swimmers. The dependent variables selected to assess muscle performance were measures of time to peak torque, peak torque to body weight, torque decrement, and agonist/antagonist torque ratio. The dependent variables used to assess proprioception and kinesthesia were active reproduction of passive positioning (ARPP) and threshold to detect passive motion (TTDPM). These variables were assessed prior to and immediately following a six-week plyometric training program for the internal rotators of the shoulder. Significant improvements in muscle performance characteristics were revealed in the plyometric group for time to peak torque at both 60$\sp\circ$/sec and 240$\sp\circ$/sec, amortization time at 450$\sp\circ$/sec, and torque decrement at 240$\sp\circ$/sec. ARPP demonstrated significant findings for all test conditions with the exception of neutral degrees of rotation moving into internal rotation. TTDPM also demonstrated significant improvements for all test conditions following plyometric training. Insignificant findings include time to peak torque at 450$\sp\circ$/sec, peak torque to body weight at 60$\sp\circ$/sec, 240$\sp\circ$/sec, and 450$\sp\circ$/sec, amortization time at 240$\sp\circ$/sec, and agonist/antagonist torque ratio at 60$\sp\circ$/sec. The findings of this study demonstrate that plyometric activities are an important component of rehabilitation. These findings support the theoretical concepts for utilizing these types of activities for the upper extremity. The findings of this study suggest that plyometric activities provide neural adaptations to the muscles rather than morphological changes. Furthermore, due to the varying level of intensity associated with plyometrics, and the significant effects these exercises have on muscle performance and proprioception, it is reasonable that plyometrics could be beneficial if implemented in the earlier stages of shoulder rehabilitation.

ISBN: 0591911175Subjects--Topical Terms:

1018410
Applied Mechanics.

The effects of shoulder plyometric training on proprioception and muscle performance characteristics.
LDR:03085nam 2200301 a 45 001 931496
005 20110429
008 110429s1998 eng d
020 $a 0591911175
035 $a (UnM)AAI9837537
035 $a AAI9837537
040 $a UnM $c UnM
100 1 $a Swanik, Kathleen Ashmen. $3 1255039
245 1 0 $a The effects of shoulder plyometric training on proprioception and muscle performance characteristics.
300 $a 82 p.
500 $a Adviser: Scott M. Lephart.
500 $a Source: Dissertation Abstracts International, Volume: 59-06, Section: B, page: 2716.
502 $a Thesis (Ph.D.)--University of Pittsburgh, 1998.
520 $a The purpose of this study was determine the effect of plyometric training on selected muscle performance characteristics, shoulder proprioception, and kinesthesia in the shoulder of female Division I varsity swimmers. The dependent variables selected to assess muscle performance were measures of time to peak torque, peak torque to body weight, torque decrement, and agonist/antagonist torque ratio. The dependent variables used to assess proprioception and kinesthesia were active reproduction of passive positioning (ARPP) and threshold to detect passive motion (TTDPM). These variables were assessed prior to and immediately following a six-week plyometric training program for the internal rotators of the shoulder. Significant improvements in muscle performance characteristics were revealed in the plyometric group for time to peak torque at both 60$\sp\circ$/sec and 240$\sp\circ$/sec, amortization time at 450$\sp\circ$/sec, and torque decrement at 240$\sp\circ$/sec. ARPP demonstrated significant findings for all test conditions with the exception of neutral degrees of rotation moving into internal rotation. TTDPM also demonstrated significant improvements for all test conditions following plyometric training. Insignificant findings include time to peak torque at 450$\sp\circ$/sec, peak torque to body weight at 60$\sp\circ$/sec, 240$\sp\circ$/sec, and 450$\sp\circ$/sec, amortization time at 240$\sp\circ$/sec, and agonist/antagonist torque ratio at 60$\sp\circ$/sec. The findings of this study demonstrate that plyometric activities are an important component of rehabilitation. These findings support the theoretical concepts for utilizing these types of activities for the upper extremity. The findings of this study suggest that plyometric activities provide neural adaptations to the muscles rather than morphological changes. Furthermore, due to the varying level of intensity associated with plyometrics, and the significant effects these exercises have on muscle performance and proprioception, it is reasonable that plyometrics could be beneficial if implemented in the earlier stages of shoulder rehabilitation.
590 $a School code: 0178.
650 4 $a Applied Mechanics. $3 1018410
650 4 $a Biophysics, General. $3 1019105
650 4 $a Health Sciences, Recreation. $3 1018003
650 4 $a Health Sciences, Rehabilitation and Therapy. $3 1017926
690 $a 0346
690 $a 0382
690 $a 0575
690 $a 0786
710 2 0 $a University of Pittsburgh. $3 958527
773 0 $t Dissertation Abstracts International $g 59-06B.
790 $a 0178
790 1 0 $a Lephart, Scott M., $e advisor
791 $a Ph.D.
792 $a 1998
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9837537