Article

There is a lack of
evidence exploring the effectiveness of group exercise classes for people with
nonspecific shoulder pain (NSSP). Also, there is a lack of research that measures
potential reductions in thoracic kyphosis after exercise interventions in people
with NSSP. PURPOSE OF THE STUDY: To observe changes in shoulder pain, disability,
and thoracic kyphosis in 2 groups of people with NSSP, after 2 different types of
group exercise classes. METHODS: People with NSSP received a 6-week block of
exercises classes containing either shoulder exercises alone (shoulder group, n =
20) or a mixture of shoulder and thoracic extension exercises (thoracic group, n
= 19). The Disabilities of the Arm, Shoulder and Hand questionnaire for
disability and the Numeric Rating Scale for pain were measured at baseline, 6
weeks, and 6 months. Thoracic kyphosis was measured at baseline and 6 weeks using
the manual inclinometer. RESULTS: Significant and clinically meaningful
improvements in Numeric Rating Scale and Disabilities of the Arm, Shoulder and
Hand were demonstrated in both groups at 6-week and 6-month follow-up (P < .001).
Effect sizes ranged from 0.78-1.16 in the shoulder group and 0.85-1.88 in the
thoracic group. Thoracic kyphosis did not change beyond measurement error in
either group. DISCUSSION/CONCLUSION: Group exercise classes can improve shoulder
pain and disability in people with NSSP. Resting thoracic kyphosis did not change
after either exercise intervention, which suggests that the treatment effect was
not due to a change in static thoracic spine posture.
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