Based on international society of biomechanics recommendations (Wu et al., 2005 ), 18 reflective markers were attached bilaterally, at specific bony landmarks on the following locations: third metacarpophalangeal joint (i.e., middle finger knuckle), radial styloid (outside of writs), ulnar styloid (inside of wrist), olecronon process (tip of elbow), lateral epicondyl, acromion (front of shoulder), sternal notch (chest), C7 vertebrae (base of neck), T3 vertebrae (base of skull), T6 vertebrae (middle region of the spine), and jaw.