Abstract
The unusual and tiring physical activity of bovine transrectal palpation (TRP) requires a novel approach to improve students' TRP and pregnancy diagnosis (PD) skills. It has been shown that students who participated in an exercise program and students who had a grip strength (GS) of more than 30 kilograms performed better in bovine PDs. Participation in the exercise program increased students' sensitivity (ability to identify pregnant cows) but did not increase total arm muscle strength. To identify which muscles are used during TRPs and to improve the exercise program, an electromyographic (EMG) analysis was used to identify muscle activation patterns and muscle activity levels during bovine TRPs. Eight subject matter experts (SMEs) each palpated two live cows and one Breed'n Betsy® rectal examination simulator while an EMG Triggered Stimulator recorded muscle activity. Muscle activation was higher for forearm muscles compared with all other examined muscle groups (p < .001); was higher during retraction of the uterus and palpation of left and right uterine horn, compared with palpation of cervix, uterine body, left ovary, and right ovary (p < .001); and showed an endurance pattern. Findings have been used to modify the previously developed exercise program in effort to improve students' TRP and PD skills. The Bovine PD Improvement Exercise Program is available to students through an online application (http://icarus.up.ac.za/vetmlp/) and aims to not only improve GS and TRP accuracy but also stamina and well-being while adding fun to busy study schedules.
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