One example of a hand exercise that you can complete for improved dexterity involves hand-eye coordination and finger flexibility. According to the Ohio State University Medical Center, this exercise begins by holding your hand in front of your chest with fingers stretched to full extension. Next, using only the muscles of that hand, flex your index finger towards your thumb, forming the letter “O.” Complete this movement with each finger touching your thumb, one at a time. You can increase your speed with this exercise in order to further benefit your coordination, and this exercise is simple enough to complete many times during the day. Grip is an important aspect of hand dexterity.
As the Ohio State University Medical Center suggests, grip strength can be improved by grasping a tennis ball in your hand and squeezing your fingers around the ball. Hold this comfortable grip for five seconds before slowly and smoothly relaxing your hand muscles just enough to retain a hold on the tennis ball. Repeat this process four to five times daily with both hands for best results. Depending on your hand strength, other balls can be used in place of the tennis ball. According to the Ohio State University Medical Center, another exercise that can be helpful in increasing hand dexterity involves flexing your fingers at each individual knuckle. Start this exercise by holding your hand in front of your chest with your palm facing you and your fingers together. Next, use your hand muscles to flex all fingers in one motion toward the ground.
The Harpenden Portable Stadiometer is a counter recording instrument and has been designed to give all the advantages of the Harpenden wall-mounted Stadiometer in a portable form.
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. 503 Downloads. Abstract When exposed to a cold environment, a barehanded person experiences pain, cold sensation, and reduced manual dexterity.
Both acute (e.g. Exercise) and chronic (e.g.
Cold acclimatization or habituation) processes might lessen these negative effects. The purpose of this experiment was to determine the effect of cold habituation on physiology, perception, and manual dexterity during rest, exercise, and recovery in 5 °C. Six cold weather athletes (CWA) and eight non habituated men (NON) volunteered to participate in a repeated measures cross-over design.
The protocol was conducted in 5 °C and was 90 min of resting cold exposure, 30 min of cycle ergometry exercise (50% VO 2 peak), and 60 min of seated recovery. Core and finger skin temperature, metabolic rate, Purdue Pegboard dexterity performance, hand pain, thermal sensation, and mood were quantified. Exercise-induced finger rewarming (EIFRW) was calculated for each hand. During 90 min of resting exposure to 5 °C, the CWA had a smaller reduction in finger temperature, a lower metabolic rate, less hand pain, and less negative mood.
Despite this cold habituation, dexterity performance was not different between groups. In response to cycle ergometry, EIFRW was greater in CWA (12 versus 7 °C) and occurred at lower core temperatures (37.02 versus 37.31 °C) relative to NON but dexterity was not greater during post-exercise recovery. The current data indicate that cold habituated men (i.e., CWA) do not perform better on the Purdue Pegboard during acute cold exposure. Furthermore, despite augmented EIFRW in CWA, dexterity during post-exercise recovery was similar between groups. Matthew D. Muller. 1. 2.
Yongsuk Seo. 1. Chul-Ho Kim. 1. 3. Edward J. Ryan.
1. 4.
Brandon S. Pollock. 1. Keith J. Burns. 1. Ellen L. Glickman.
1. 1. Exercise and Environmental Physiology Laboratory Kent State University Kent USA. 2.
Penn State Hershey Heart & Vascular Institute Penn State University College of Medicine Hershey USA. 3. Mayo Clinic, Human Integrative and Environmental Physiology Laboratory Rochester USA.
4. Science Department Chatham University Pittsburgh USA About this article.