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Some people find that physical therapy (aka physiotherapy) has not been useful for them in dealing with TOS. Therefore, the following should be of some interest:

http://en.wikipedia.org/wiki/Feldenk...ntific_studies

In 1999, a randomized controlled trial investigated whether physiotherapy or Feldenkrais interventions would reduce the complaints from neck and shoulder pain and disability. The participants were randomly assigned to 1) physiotherapy treatment, 2) the Feldenkrais program, or 3) a control group. The physiotherapy and Feldenkrais interventions were given over 16 weeks of paid work. The Feldenkrais group showed significant decreases in complaints from neck and shoulders and in disability during leisure time. The two other groups showed no change in complaints (Physiotherapy group) or worsening of complaints (Control group).

The reference is to this paper:

http://www.springerlink.com/content/p140qq2036hq8jq1/

Whose abstract is:

The present study aimed to investigate whether physiotherapy or Feldenkrais interventions resulted in a reduction of complaints from the neck and shoulders (prevalence, pain intensity, sick leave, and disability in leisure and work roles) in 97 female industrial workers (not on long-term sick leave). Range of motion of neck and shoulders, VO2, endurance score (i.e., summation of pain intensity ratings during a static shoulder flexion), cortical control according to the Feldenkrais methodology, and physiological capacity according to a dynamic endurance test of the shoulder flexors with simultaneous surface EMG were also recorded. The workers were randomized to: (1) physiotherapy group (PT-group; treatment according to the ergonomic program of the PTs of the occupational health care service), (2) Feldenkrais group (F-group; education according to the Feldenkrais methodology), or (3) control group (C-group; no intervention). Pre- and post-tests were made at one-year intervals. The two interventions lasted 16 weeks during paid working time. The F-group showed significant decreases in complaints from neck and shoulders and in disability during leisure time. The two other groups showed no change (PT-group) or worsening of complaints (C-group). The present study showed significant positive changes in complaints after the Feldenkrais intervention but not after the physiotherapy intervention. Possible mechanisms behind the effects in the F-group are discussed.

Note that this is not specifically a TOS study and the study participants were "not on long-term sick leave". On the other hand, what little I have read and seen on youtube looks like it could be useful.