Next Article in Journal
Acute Exercise Intensity and Memory Function: Evaluation of the Transient Hypofrontality Hypothesis
Previous Article in Journal
Choice of Methodology Impacts Outcome in Indirect Comparisons of Drugs for Idiopathic Pulmonary Fibrosis
Open AccessArticle

Handedness, Grip Strength, and Memory Function: Considerations by Biological Sex

Exercise & Memory Laboratory, Department of Health, Exercise Science and Recreation Management, The University of Mississippi, University, MS 38677, USA
Author to whom correspondence should be addressed.
Medicina 2019, 55(8), 444;
Received: 12 June 2019 / Revised: 18 July 2019 / Accepted: 1 August 2019 / Published: 6 August 2019
PDF [777 KB, uploaded 14 August 2019]


Background and Objective: The objective of this study was to evaluate the potential independent and interactive effects of handedness and grip strength on episodic memory function, and whether biological sex moderated these relationships. Materials and Methods: 162 young adults (Mage = 20.7 years) completed a series of memory assessments including a subjective memory complaint evaluation and several objective measures of memory. Handedness (i.e., left-hand dominant, inconsistent handedness (ICH), and right-hand dominant) was evaluated using the Edinburgh Handedness Inventory. Handgrip strength was determined from a handgrip dynamometer. Results: When compared to ICH individuals, retrospective memory scores were statistically significantly worse for left-handed (p = 0.02) and right-handed (p = 0.03) individuals. Higher grip strength was statistically significantly associated with fewer retrospective memory complaints (b = 0.10, 95% CI: 0.01, 0.19, p = 0.04). Conclusions: The present study provides some suggestive evidence that ICH (inconsistent handedness) and greater grip strength are associated with fewer retrospective memory complaints. However, we did not observe any evidence of an interaction effect of handedness and grip strength on memory, and similarly, biological sex did not interact with these parameters to influence memory. View Full-Text
Keywords: cognition; interhemispheric activation; muscular strength cognition; interhemispheric activation; muscular strength

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

Share & Cite This Article

MDPI and ACS Style

Loprinzi, P.D.; Franklin, J.; Farris, A.; Ryu, S. Handedness, Grip Strength, and Memory Function: Considerations by Biological Sex. Medicina 2019, 55, 444.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Metrics

Article Access Statistics



[Return to top]
Medicina EISSN 1010-660X Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top