The effect of age, speed, and arm dominance on shoulder function in untrained men.

M. A. Gallagher, J. D. Zuckerman, F. Cuomo, J. Ortiz

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Bilateral shoulder motor output measurements were obtained in 40 subjects with a Biodex dynamometer. The subjects included two groups, a younger group (20 to 30 years) and an older group (50 to 60 years). They were engaged in low to moderate levels of occupational and spare-time physical activity. Each subject performed three maximum effort shoulder movements in flexion/extension, abduction/adduction, and internal/external rotation at 60 degrees/sec and 120 degrees/sec. Side tested, axis, and speed were randomly selected. The findings indicate that a significant decline occurred in peak torque, work, and power for all axes of movement at both speeds when the older group was compared with the younger group. A decline in peak torque and work and a corresponding increase in power resulting from an increase in speed occurred in both age groups. The effect of age was the same at 60 degrees/sec and at 120 degrees/sec. Overall, no difference in dominant and nondominant motor function was seen in either the younger or older untrained men.

Original languageEnglish (US)
Pages (from-to)25-31
Number of pages7
JournalJournal of shoulder and elbow surgery / American Shoulder and Elbow Surgeons ... [et al.]
Issue number1
StatePublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine


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