Figure 1

Forty-three reflective markers and trunk orthosis with joints providing resistive force. (A) Anterior view, (B) lateral view, and (C) posterior view. a, the bottom end of the center of the frontal bone; b, the articular tubercle; c, the external occipital protuberance; d, manubrium sterni; e, the acromion process; f, spinous process of the seventh cervical vertebra; g, xiphoid process; h, spinous process of the tenth thoracic vertebrae; i, the lateral epicondyle; j, ulnar styloid process; k, iliac crest; l, anterior superior iliac spine; m, posterior superior iliac spine; n, point between the fourth and fifth lumbar vertebrae; o, superior aspect of the greater trochanter; p, mid-point between the greater trochanter and lateral femoral condyles; q, medial knee; r, lateral knee; s, mid-point between the lateral knee joint line and lateral malleolus; t, lateral malleoli; u, medial malleoli; v, first metacarpophalangeal joints; w, second metacarpophalangeal joints; x, fifth metacarpophalangeal joints; y, heel.