Fig. 2

Sensor locations on nine different muscles: Brachioradialis (# 1 (BR)), Biceps Brachii (# 2 (BB)), Triceps Brachii (# 3 (TB)), Infraspinatus (# 4 (IS)), Upper Trapezius (# 5 (UT)), Paraspinal Cervical Spine (# 6 (PCS)), Middle Trapezius (# 7 (MT)), Lower Trapezius (# 8 (LT)), Anterior Deltoid (# 9 (AD)).