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The Effects of Dynamic Neuromuscular Stabilization on Youth Baseball Athletes.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	The Effects of Dynamic Neuromuscular Stabilization on Youth Baseball Athletes./
Author:	Ackerman, Kamren.
other author:	Meinhold, Christopher,
Description:	1 online resource (91 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 82-06, Section: B.
Contained By:	Dissertations Abstracts International82-06B.
Subject:	Physical therapy. -
Online resource:	click for full text (PQDT)
ISBN:	9798691254499

The Effects of Dynamic Neuromuscular Stabilization on Youth Baseball Athletes.
Ackerman, Kamren.

The Effects of Dynamic Neuromuscular Stabilization on Youth Baseball Athletes. - 1 online resource (91 pages)

Source: Dissertations Abstracts International, Volume: 82-06, Section: B.

Thesis (D.P.T.)--Azusa Pacific University, 2020.

Includes bibliographical references

Background. Baseball continues to show an increase in participation in the United States as more youth athletes are choosing baseball as their primary sport (Heyworth et al., 2016). With this increased participation, evidence has shown an epidemic of upper extremity injuries in youth baseball players. Recent investigations have found that elbow pain occurs in 1.5 per 1,000 athlete exposures, and shoulder pain occurs in 0.6 per 1,000 athlete exposures (Sakata et al., 2019). This is important when thinking of the repetitive stress an overhead throwing motion places on the elbow and shoulder (Wilk, Yenchak, Arrigo, & Andrews, 2011). When adding increased performance-explicitly velocity-baseball pitchers have demonstrated a correlation to increased elbow and shoulder injuries (Hibberd, Hoffer, & Brown, 2015). A literature review was conducted and 13 articles were appraised. The evidence has pointed to the need for implementing effective strategies to prevent throwing injuries and increase performance in baseball athletes. While limited evidence has shown the benefits of dynamic neuromuscular stabilization (DNS) on youth baseball athletes, this study provides an approach that allows youth athletes to be in a position that emphasizes proprioception, mobility, and dynamic stability of the lower extremity, upper extremity, and trunk (Frank, Kobesova & Kolar, 2013). Purpose. The purpose of the study was to compare and analyze the effects of traditional baseball exercises to DNS exercises in youth baseball athletes. The goal was to see if there was a change after 12 weeks in ball velocity, shoulder internal (IR) and external (ER) strength, and a maintenance of shoulder IR and ER rotational range of motion. This study aimed to determine if DNS had a significant impact in performance and rehabilitation measures in comparison to traditional baseball exercises. Research Design. An experimental design with two groups pre-test and post-test was conducted for youth baseball athletes. Methods. The control group (n = 10) received traditional shoulder exercises and were required to use a TheraBand with all exercises. The experimental group (n = 8) received DNS-based exercises and were also required to use a TheraBand with all exercises. The outcomes measured were (a) throwing arm shoulder IR and ER rotational range of motion and strength and (b) ball velocity off of an indoor baseball mound. Results. For the baseline data, (a) independent t test, (b) a Mann U Whitney, (c) a hierarchical regression, and (d) simple regressions were used. There was a statistically significant and positive relationship between age and ER strength (p = 0.003). Also, ER strength was shown to be the best predicting value for ball velocity (p = 0.002) when compared to ER range of motion (p = 0.008). All calculations used an alpha level of p < 0.05. Discussion. There were trends in the data suggesting that ER strength may predict 45% of a youth baseball athlete's ball velocity, while ER range of motion may account for a minimum value of 2.1%. Conclusion. The baseline data suggested that ER strength was the best predictor of ball velocity when comparing ER strength to ER range of motion. The baseline data also has suggested that there were unilateral adaptations in throwing arm strength.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798691254499Subjects--Topical Terms:

678370
Physical therapy.
Subjects--Index Terms:

Ball velocityIndex Terms--Genre/Form:

554714
Electronic books.

The Effects of Dynamic Neuromuscular Stabilization on Youth Baseball Athletes.
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520 $a Background. Baseball continues to show an increase in participation in the United States as more youth athletes are choosing baseball as their primary sport (Heyworth et al., 2016). With this increased participation, evidence has shown an epidemic of upper extremity injuries in youth baseball players. Recent investigations have found that elbow pain occurs in 1.5 per 1,000 athlete exposures, and shoulder pain occurs in 0.6 per 1,000 athlete exposures (Sakata et al., 2019). This is important when thinking of the repetitive stress an overhead throwing motion places on the elbow and shoulder (Wilk, Yenchak, Arrigo, & Andrews, 2011). When adding increased performance-explicitly velocity-baseball pitchers have demonstrated a correlation to increased elbow and shoulder injuries (Hibberd, Hoffer, & Brown, 2015). A literature review was conducted and 13 articles were appraised. The evidence has pointed to the need for implementing effective strategies to prevent throwing injuries and increase performance in baseball athletes. While limited evidence has shown the benefits of dynamic neuromuscular stabilization (DNS) on youth baseball athletes, this study provides an approach that allows youth athletes to be in a position that emphasizes proprioception, mobility, and dynamic stability of the lower extremity, upper extremity, and trunk (Frank, Kobesova & Kolar, 2013). Purpose. The purpose of the study was to compare and analyze the effects of traditional baseball exercises to DNS exercises in youth baseball athletes. The goal was to see if there was a change after 12 weeks in ball velocity, shoulder internal (IR) and external (ER) strength, and a maintenance of shoulder IR and ER rotational range of motion. This study aimed to determine if DNS had a significant impact in performance and rehabilitation measures in comparison to traditional baseball exercises. Research Design. An experimental design with two groups pre-test and post-test was conducted for youth baseball athletes. Methods. The control group (n = 10) received traditional shoulder exercises and were required to use a TheraBand with all exercises. The experimental group (n = 8) received DNS-based exercises and were also required to use a TheraBand with all exercises. The outcomes measured were (a) throwing arm shoulder IR and ER rotational range of motion and strength and (b) ball velocity off of an indoor baseball mound. Results. For the baseline data, (a) independent t test, (b) a Mann U Whitney, (c) a hierarchical regression, and (d) simple regressions were used. There was a statistically significant and positive relationship between age and ER strength (p = 0.003). Also, ER strength was shown to be the best predicting value for ball velocity (p = 0.002) when compared to ER range of motion (p = 0.008). All calculations used an alpha level of p < 0.05. Discussion. There were trends in the data suggesting that ER strength may predict 45% of a youth baseball athlete's ball velocity, while ER range of motion may account for a minimum value of 2.1%. Conclusion. The baseline data suggested that ER strength was the best predictor of ball velocity when comparing ER strength to ER range of motion. The baseline data also has suggested that there were unilateral adaptations in throwing arm strength.
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