F. Matthias Alexander developed an ability that avoided what negative bodily issue?
F. Matthias Alexander: Frederick Matthias Alexander (20 January 1869 – 10 October 1955) was an Australian actor who developed the Alexander Technique, an educational process applied to recognize and overcome reactive, habitual limitations in movement and thinking. Alexander Technique: The Alexander Technique (A.T.), named after Frederick Matthias Alexander, is an educational process that attempts to develop the ability to avoid unnecessary muscular tension by retraining physical movement reactions.
muscular tension