Kinesiology Commons^™

The Effect Of Emg Biofeedback Training On Muscle Activation In An Impingement Population, Eliot Mackay

WWU Graduate School Collection

Background: The shoulder is injury prone and subacromial impingement syndrome (SAIS) is one of the most diagnosed causes of pain in the region.

Objective: The purpose of this study was to investigate muscle activity between healthy and SAIS shoulders on the same subject and to understand the effectiveness of EMG biofeedback (EBFB) on bilateral overhead movements.

Design: Ten participants (7 male), that tested positive for 2/3 SAIS clinical tests, volunteered for the study. Bilateral muscle activity was measured via electrodes on the Upper Trapezius (UT), Lower Trapezius (LT), Serratus Anterior (SA), and Lumbar Paraspinals (LP). Kinematic testing involved 3 continuous …

The Effects Of Different String Positions Of The Bow On Right Scapular Kinematics In Experienced Violin Players, Shannon Stein, Jun San Juan, Sarah Pine, Stephanie Hall

WWU Honors College Senior Projects

Shoulder health is vital to the ability of violinists to play their instruments, but poor posture is considered a major risk of injury to violin players. For those who perform professionally, shoulder injuries endanger their careers. Therefore, finding shoulder postures that promote shoulder endurance and health are important. To this aim, the purpose of this study is to examine the scapular kinematics involved in playing on different strings of the violin. Five college-aged experienced violin players (male=1, female=4) with no recent history of shoulder surgery or severe shoulder pain volunteered to participate in this study. Kinematic sensors were placed on …