Navigation Links
Oral contraceptives impair muscle gains in young women
Date:4/16/2009

NEW ORLEANSMany active young women use oral contraceptives (OC) yet its effect on their body composition and exercise performance has not been thoroughly studied. A team of researchers has now examined the effects of OC on female muscle mass, and found that oral contraceptive use impairs muscle gains in young women, and is associated with lower hormone levels.

The findings are contained in a new study entitled Oral Contraceptive Use Impairs Muscle Gains in Young Women. It was conducted by Chang-Woock Lee and Steven E. Riechman, Department of Health and Kinesiology, Texas A&M University, College Station, TX; and Mark A. Newman, Human Energy Research Laboratory, University of Pittsburgh, Pittsburgh, PA. The researchers will present their findings at the 122nd Annual Meeting of the American Physiological Society (APS; www.the-aps.org/press), which is part of the Experimental Biology 2009 scientific conference. The meeting will be held April 18-22, 2009 in New Orleans.

The Study

Seventy-three generally healthy women between the ages of 18-31 were assigned to two groups and completed a 10-week whole-body resistance exercise training (RET). Group 1 consisted of 34 women who used oral contraceptives (OC). Group 2 consisted of 39 women who did not take birth control pills (non-OC). The women were encouraged to consume at least 0.5 grams of protein per pound of body weight per day (a third more than is called for by the U.S. government nutritional guidelines) to make sure they consumed enough calories and protein to promote muscle growth.

The participants exercised three times per week for ten weeks under the supervision of exercise physiologists. They performed a variety of exercises to include chest press, lat pull down, leg extension, triceps extension, arm curl and abdominal crunch. Exercise was done using standard exercise machines and each volunteer performed three sets of 6-10 re
'/>"/>

Contact: Donna Krupa
dkrupa@the-aps.org
703-967-2751
American Physiological Society
Source:Eurekalert

Page: 1 2

Related biology news :

1. Texas A&M testing oral contraceptives for animals
2. Continuous oral contraceptives better at easing pain, bleeding
3. Low oxygen in coastal waters impairs fish reproduction
4. Extended wakefulness, combined with alcohol, severely impairs driving performance
5. Breathless babies: Preemies lung function shows prolonged impairment
6. Early exposure to common weed killer impairs amphibian development
7. Telescope embedded in glasses lens promises to make driving easier for visually impaired
8. Chronic exposure to estrogen impairs some cognitive functions
9. Scientists identify cell changes leading to impaired artificial kidney function
10. Understanding how oxidative stress impairs endothelial progenitor cell function
11. Ocean acidification from CO2 emissions will cause physiological impairment to jumbo squid
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/17/2014)... , Respiratory syncytial virus (RSV) is a ... life-threating illness in very young and elderly populations. ... enters host cells through the fusion protein RSV ... interfering peptides that prevent bundle formation limit RSV ... susceptible to degradation. In this issue of the ...
(Date:4/17/2014)... NY, April 17, 2014The development of stem cell therapies ... ability to characterize stem cell populations based on cell ... discovered a new marker that is highly expressed in ... cord blood, which they describe in an article in ... Mary Ann Liebert, Inc., publishers. The article is available ...
(Date:4/17/2014)... study suggests that fish consumption advisories for expecting ... long-lived contaminants like persistent organic pollutants (POPs). ... researchers including University of Toronto Scarborough PhD student ... how different levels of environmental contamination, a mother,s ... in the body influenced exposure in her children. ...
Breaking Biology News(10 mins):JCI online ahead of print table of contents for April 17, 2014 2JCI online ahead of print table of contents for April 17, 2014 3JCI online ahead of print table of contents for April 17, 2014 4JCI online ahead of print table of contents for April 17, 2014 5JCI online ahead of print table of contents for April 17, 2014 6Fish consumption advisories fail to cover all types of contaminants 2
... an estimated 665,000 deaths, mostly among African children. Now, ... for the world,s most useful antimalarial drug, artemisinin, giving ... cost of the live-saving drug in the future. , ... been slow due to high production costs of artemisinin. ...
... a hormone released by the lining of the stomach that ... obesity -- in fact, a vaccine that lowers ghrelin levels ... treatment for obesity. However, many people eat as a ... its effectiveness as a treatment for obesity may be reduced. ...
... pose considerable health threats to humans, and the heavy metal ... are exposed to it through plant-derived foods such as grains ... can reduce the amount of Cd found in the food ... in the Cell Press journal Trends in Plant Science ...
Cached Biology News:IU chemist develops new synthesis of most useful, yet expensive, antimalarial drug 2Low ghrelin -- reducing appetite at the cost of increased stress? 2Studies shed light on how to reduce the amount of toxins in plant-derived foods 2
(Date:1/14/2014)... January 14, 2014 EquitiesIQ, a leading ... (OTCQB: ALQA). Alliqua is an emerging biomedical company acquiring, ... wound care market. , Free report download: http://equitiesiq.com/reports/alliqua/ ... a seasoned management team and Board, which launched the ...
(Date:1/14/2014)... 14, 2014 In recent years, growing ... methods in product development and promotion has led to ... mistrust, fueled by concerns about the insidious impact of ... of spectacular fines to the world’s biggest pharmas for ...
(Date:1/14/2014)... and Cardiff, UK (PRWEB) January 13, 2014 ... development leader with more than 20 years in the ... optics and photonics . Hainsey will serve as the ... to have Dr. Hainsey join SPIE as our Technology ...
(Date:1/14/2014)... Research Triangle Park, NC (PRWEB) January 14, 2014 ... diagnostic company focusing on ultra-sensitive POC diagnostic platforms and novel ... on their first round of financing netting a total of ... first outside equity capital in the company. This group of ...
Breaking Biology Technology:EquitiesIQ Initiates Coverage of Alliqua, Inc. 2EquitiesIQ Initiates Coverage of Alliqua, Inc. 3The Sunshine Act: Necessary Regulation or Unnecessary Dysregulation? New Life Science Webinar Hosted by Xtalks and IRB Services 2The Sunshine Act: Necessary Regulation or Unnecessary Dysregulation? New Life Science Webinar Hosted by Xtalks and IRB Services 3Photonics R&D Leader Bob Hainsey Joins SPIE Technical Staff 2BioMedomics, Inc. Closes $690K Round of Financing 2
... a leading laboratory services company, recently announced its formation ... as GI Pathology, D-PATH Dermatopathology and OncoMetrix. ... CEO of Poplar Healthcare, "we felt it was imperative ... individual companies could belong, while still maintaining their unique ...
... Stem Cell Assurance, Inc. (SCLZ.PK) (the "Company") ... "BioRestorative Therapies, Inc."  The Company,s new web site address ... been advised by the Financial Industry Regulatory Authority (FINRA) ... will change from "SCLZ" to "BRTX" thirty days following ...
... Aug. 17, 2011 Planet Biopharmaceuticals, Inc. and its ... pharmaceutical company focused on providing products for allergy and ... Ph.D. has been named as the company,s Executive Chairman ... Officer on August 29, 2011. Odlaug will replace William ...
Cached Biology Technology:Poplar Healthcare Forms Parent Company, Launches New Web Site 2Stem Cell Assurance, Inc. Announces Change of Name to BioRestorative Therapies, Inc. 2Planet Biopharmaceuticals, Inc. Appoints Theron (Ted) Odlaug, Ph.D. as Executive Chairman 2
... for arraying proteins of interest with ... equipment. DiscoverLight Protein Array Kits allow ... cell lysate or antibody in a ... specially designed nitrocellulose membranes with a ...
... for Alkaline Phosphatase conjugates. The product ... both the enzyme and the antibody following ... product has been chemically engineered to increase ... shelf life, resistance to various shipping conditions ...
Request Info...
NovaScreen offers cell biology, cell culture and molecular biology services for companies who lack a cell culture facility....
Biology Products: