Do Left Ventricular Structure and Function Differ Between Strength-Trained Men and Women
Davies, Liam Rhys
Cardiff Metropolitan University
MetadataShow full item record
Background: The aim of this study was to compare the effect that chronic strength training has had on the left ventricular structure and function of strength-trained females and males. Previous research has shown strength training to result in many enlargements of LV structure and improvements in LV function, including: increased LV wall thickness, cardiac output, stroke volume and end-diastolic volume. Compared to the research that has focused on the trained male population, the literature available for strength-trained females and the effect that strength training has had on their hearts is limited. Methods: Twenty, healthy females (10 strength-trained [age 24 ± 4; height 162 ± 5; mass 61 ± 9] and 10 untrained [age 29 ± 3; height 160 ± 5; mass 58 ± 6]) were all measured for height, weight, resting blood pressure, a resting electrocardiogram and a resting echocardiographic examination. Additionally, resting data for 16 healthy, strength-trained males (age 26 ± 5; height 179 ± 5 cm; body mass 87 ± 8 kg) were also included into this study, courtesy of a fellow author. Results: Strength-trained male’s demonstrated significantly greater (P < 0.05) absolute stroke volume (65 ± 11), end-diastolic volume (104 ± 12) and cardiac output (4.1 ± 1) compared to both female groups. When these values were made relative to body surface area, strength-trained females demonstrated significantly greater stroke volume (44 ± 8) and end-diastolic volume (72 ± 16) compared to strength-trained males. No significant difference was found between the left ventricular structures of the two female groups. Conclusion: Strength training can result in improved LV function. However, the difference between males and females LV function may not be apparent as once thought. It is also suggested that strength-trained females may not experience the same magnitude of LV remodelling which has previously been reported for strength-trained males.
Showing items related by title, author, subject and abstract.
Pinkrah, Henry (University of Wales Institute Cardiff, 2012)Context: Delayed-onset muscle soreness (DOMS) is the damage and pain, which occurs in muscles post-exercise. DOMS is a symptom experienced by anyone who has partaken in exercise training, particularly eccentric exercise. ...
The Effects of an 8-week Integrated Neuromuscular Training Programme on Pre-Pubescent Female Gymnasts’ ACL Injury Risk Moeskops, Sylvia (Cardiff Metropolitan University, 2014)Previous research has demonstrated the effectiveness of integrated neuromuscular training (INT) programmes on ACL injury risk measures in young females, with a games-specific background. The effects of an INT intervention ...
Stöhr, Eric J.; Stembridge, Mike; Shave, Rob; Samuel, Jake; Stone, Keeron J.; Esformes, Joseph I. (Lippincott, Williams & Wilkins, 2017-05-16)PURPOSE: To improve the current understanding of the impact of resistance exercise on the heart, by examining the acute responses of left ventricular (LV) strain, twist and untwisting rate ('LV mechanics'). METHODS: LV ...