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Hormone status and measures of joint...

Smith, Krystal.

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Hormone status and measures of joint laxity.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Hormone status and measures of joint laxity./
Author:	Smith, Krystal.
Description:	108 p.
Notes:	Adviser: Sandra Shultz.
Contained By:	Masters Abstracts International46-01.
Subject:	Biology, Physiology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1445532
ISBN:	9780549136255

Hormone status and measures of joint laxity.
Smith, Krystal.

Hormone status and measures of joint laxity. - 108 p.

Adviser: Sandra Shultz.

Thesis (M.S.)--The University of North Carolina at Greensboro, 2007.

This study examined the relationships between oral contraceptive pill (OCP) use and measures of joint laxity. Methods. A menstrual history questionnaire identified 33 female athletes using OCPs. Separate stepwise linear regressions examined the extent to which OCP dosage (estradiol, progesterone) and SHBG% predicted measures of anterior knee laxity, general joint laxity and genu recurvatum. Secondary regression analyses examined the relationship between duration of OCP use and each joint laxity measure. Results. OCP dosage and %SHBG binding affinity were not predictors of joint laxity. Greater duration of OCP use positively predicted greater genu recurvatum (R2 = 20.8%, P=0.008). Conclusions. While the variations in dosages of common OCPs were not found to influence measures of joint laxity, prolonged exposure to these synthetic hormones may increase genu recurvatum over time. Further work is needed to clarify the effects of OCPs on joint laxity, a potential risk factor for knee injury.

ISBN: 9780549136255Subjects--Topical Terms:

1017816
Biology, Physiology.

Hormone status and measures of joint laxity.
LDR:01939nam 2200301 a 45 001 941646
005 20110519
008 110519s2007 eng d
020 $a 9780549136255
035 $a (UMI)AAI1445532
035 $a AAI1445532
040 $a UMI $c UMI
100 1 $a Smith, Krystal. $3 1265744
245 1 0 $a Hormone status and measures of joint laxity.
300 $a 108 p.
500 $a Adviser: Sandra Shultz.
500 $a Source: Masters Abstracts International, Volume: 46-01, page: .
502 $a Thesis (M.S.)--The University of North Carolina at Greensboro, 2007.
520 $a This study examined the relationships between oral contraceptive pill (OCP) use and measures of joint laxity. Methods. A menstrual history questionnaire identified 33 female athletes using OCPs. Separate stepwise linear regressions examined the extent to which OCP dosage (estradiol, progesterone) and SHBG% predicted measures of anterior knee laxity, general joint laxity and genu recurvatum. Secondary regression analyses examined the relationship between duration of OCP use and each joint laxity measure. Results. OCP dosage and %SHBG binding affinity were not predictors of joint laxity. Greater duration of OCP use positively predicted greater genu recurvatum (R2 = 20.8%, P=0.008). Conclusions. While the variations in dosages of common OCPs were not found to influence measures of joint laxity, prolonged exposure to these synthetic hormones may increase genu recurvatum over time. Further work is needed to clarify the effects of OCPs on joint laxity, a potential risk factor for knee injury.
590 $a School code: 0154.
650 4 $a Biology, Physiology. $3 1017816
650 4 $a Health Sciences, Recreation. $3 1018003
690 $a 0575
690 $a 0719
710 2 0 $a The University of North Carolina at Greensboro. $b Exercise and Sport Science. $3 1265665
773 0 $t Masters Abstracts International $g 46-01.
790 $a 0154
790 1 0 $a Perrin, David $e committee member
790 1 0 $a Schmitz, Randy $e committee member
790 1 0 $a Shultz, Sandra, $e advisor
791 $a M.S.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1445532