Dieter Bräuer

Electromyography in Back Research — Assessment of Static and Dynamic Conditions

Ralph Blüthner, Helmut Seidel, B. Hinz, 1985 .

Examination of spinal column vibrations: a non-invasive approach

Barbara Hinz, Ralph Blüthner, Helmut Seidel, 2004, European Journal of Applied Physiology and Occupational Physiology.

The relationship between the electromyogram-amplitude and isometric extension torques of neck muscles at different positions of the cervical spine

Frank Queisser, Ralph Blüthner, Helmut Seidel, 2004, European Journal of Applied Physiology and Occupational Physiology.