NORMAL ROTATIONAL PROFILE OF THE LOWER EXTREMITIES IN AGE GROUPS UNDER 18 YEARS

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EMAMI M.J.; ZIAI A.; MOZAFARI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: JOURNAL OF MEDICAL RESEARCH (JMR) Year:2003 | Volume:2 | Issue:1 Page(s): 36-44

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Title

NORMAL ROTATIONAL PROFILE OF THE LOWER EXTREMITIES IN AGE GROUPS UNDER 18 YEARS

Author(s)

EMAMI M.J. | ZIAI A. | MOZAFARI M. | Issue Writer Certificate

Keywords

LOWER EXTREMITYQ4

ROTATIONAL PROBLEMSQ4

ROTATIONAL PROFILEQ4

Abstract

Background: LOWER EXTREMITY ROTATIONAL PROBLEMS are common in orthopedic clinics. Establishing normal values of rotational angles .are mandatory for screening normal subjects from subjects who need more evaluation and treatment. In this study, normal values of five standard rotational angles were measured using clinical methods. Patients and Methods: In a cross-sectional study, 756 subjects with no history of musculoskeletal disorders, were selected from schools and health centers of Shiraz using a cluster random sampling method. These subjects were divided into 18 groups according to chronological age with equal numbers and equal gender distribution in each group. Five rotational angles in both lower extremities of all subjects in all groups were measured. According to terminology recommended by the "American Pediatric Orthopedic Society", normal values were defined as within two standard deviation of the mean. Results: According to this study, thigh-foot angle changed from -12±30 in infancy to 12±10 at the end of age 18; transmalleolar axis changed from -8±21 in infancy to 17±9 at the end of age 18; foot progression angle changed from 13±11 in year one to 5.5±5.5 at the end of age 18; lateral rotation of the hip changed from 80±8 in infancy to 44±13 at the end of age 18; medial rotation of the hip was the only angle with meaningful statistical difference between males and females. In females, this angle changed from 30±24 at birth to 35±17 at the end of age 18 while the figures for males were 26±21 to 32±14, respectively. Conclusion: Comparing the results of this study with similar studies from other countries, there are some significant differences. This can be due to genetic, environmental and life style factors that can affect ROTATIONAL PROFILEs. Therefore, it seems that these values are more useful for our population than normal values from other countries. Because of the population diversity in Iran, further studies in other parts of our country can add valuable data.

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APA: Copy

EMAMI, M.J., ZIAI, A., & MOZAFARI, M.. (2003). NORMAL ROTATIONAL PROFILE OF THE LOWER EXTREMITIES IN AGE GROUPS UNDER 18 YEARS. JOURNAL OF MEDICAL RESEARCH (JMR), 2(1), 36-44. SID. https://sid.ir/paper/105779/en

Vancouver: Copy

EMAMI M.J., ZIAI A., MOZAFARI M.. NORMAL ROTATIONAL PROFILE OF THE LOWER EXTREMITIES IN AGE GROUPS UNDER 18 YEARS. JOURNAL OF MEDICAL RESEARCH (JMR)[Internet]. 2003;2(1):36-44. Available from: https://sid.ir/paper/105779/en

IEEE: Copy

M.J. EMAMI, A. ZIAI, and M. MOZAFARI, “NORMAL ROTATIONAL PROFILE OF THE LOWER EXTREMITIES IN AGE GROUPS UNDER 18 YEARS,” JOURNAL OF MEDICAL RESEARCH (JMR), vol. 2, no. 1, pp. 36–44, 2003, [Online]. Available: https://sid.ir/paper/105779/en

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