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Effects Of Five Different Finger Rest Positions On Arm Muscle Activity During Scaling By Dental Hygiene Students, Mary Elizabeth Cosaboom
Effects Of Five Different Finger Rest Positions On Arm Muscle Activity During Scaling By Dental Hygiene Students, Mary Elizabeth Cosaboom
Dental Hygiene Theses & Dissertations
This study was conducted to determine the effects of five different finger rest positions, (fulcrums: opposite arch, standard intra-oral, basic extra-oral, cross arch and finger on finger) on the muscle activity of four forearm muscles, (extensor carpi radialis longus, flexor carpi ulnar is, biceps brachii and pronator teres) during a simulated periodontal scaling experience. A convenience sample of 32 consenting right handed senior dental hygiene students who met inclusion criteria participated. The 32 students had no history of injuries or disabilities to the right arm, wrist, or hand. Pre-test maximum voluntary isometric contraction (MVIC) scores were obtained prior …