A study was conducted at the University of the West of Scotland (UWS) in 2015/16 to assess the impact of regular tablet usage on the hand and wrist.
Monitors were attached to the hand and wrists of tablet users in the biomechanics laboratory of the Institute for Clinical Exercise & Health Science at UWS. Users were asked to conduct every-day tasks on their tablets (typing, photography, data input, scrolling) holding the device, first on its own and then with a G-Hold®.
The test revealed a significant reduction in strain on the hand and wrist (particularly around the carpal tunnel) when users had their hand in a G-Hold® as opposed to without, as visualized in the figure below.
The following video is an ergonomic review of G-Hold® by David Bowmaker B.Sc (Physio), MSc (Sp. Sci.), M.Phty (Manip Physio), MCSP, HCPC, MMPA (Aus). Bowmaker is a chartered Physiotherapist and Specialist in Musculoskeletal and Sports Injuries at the Life Fit Wellness Clinic.
"The G-Hold allows me to sit up properly, keeping my back and neck aligned, and my hand in a nice, relaxed position. And for my clients, if they have neck or back problems, I have no hesitation in recommending the G-Hold for their iPads or tablets to avoid any issues associated with holding their devices for too long."
University of Michigan, Sarah Platt Cooney, Ergonomics Program
"This new product, G-Hold, is fantastic. It allows the fingers to be very close together, but still hold the tablet securely, without having the fingers forced apart like other competitors in the market that cause pain down the back of the hand."
Stanford University advice:
"Maintain neutral wrist posture and alternate hands when holding devices."