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Influence of anterior shoulder aspect musculature stretching on scapular kinematics

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Paula Maria Ferreira Camarini
Total Authors: 1
Document type: Master's Dissertation
Press: Ribeirão Preto.
Institution: Universidade de São Paulo (USP). Faculdade de Medicina de Ribeirão Preto (PCARP/BC)
Defense date:
Examining board members:
Anamaria Siriani de Oliveira; Lilian Ramiro Felicio; Renato de Moraes
Advisor: Anamaria Siriani de Oliveira

The adequate scapular motion is very important to the shoulders function. Subjects with shoulder dysfunction present decreased scapular upward rotation and posterior tilt and increased scapular internal rotation during arm elevation. Many mechanisms are involved in scapular kinematics alteration. One of them is the pectoralis minor muscle shortening. Healthy subjects with relative short pectoralis minor resting length presented decreased upward rotation and increased internal rotation when compared with individuals with relative long resting length of this muscle. Hence, the purpose of this study was to evaluate the influence of the anterior shoulder aspect musculature stretching on scapular kinematics. The electromagnetic tracking device was utilized for kinematics analysis before and after a stretching program of the anterior shoulder aspect musculature. This program was composed by three repetition of three 30 seconds exercises and lasted for four weeks. The linear mixed effects model was used for statistical analysis of the comparison between pre and post stretching program evaluations. There was not a statistically significant difference between the pre and post intervention evaluations, Such outcome suggest that stretching alone cannot alter the scapular motion, but may contribute to the increase in posterior tilt if associates with others interventions. (AU)

FAPESP's process: 10/13103-4 - Influence of pectoralis minor muscle stretching on scapular kinematics
Grantee:Paula Maria Ferreira Camarini
Support Opportunities: Scholarships in Brazil - Master