Study of anthropometric parameters of adult human femora.

Article Information

Title: Study of anthropometric parameters of adult human femora.

Authors: Arsalan Manzoor, Sarwar Zia, Aiema Hamid, Gulzeryam Muneer, Hamna Sarwar

Journal: The Professional Medical Journal (TPMJ)

HEC Recognition History

Category	From	To
Y	2024-10-01	2025-12-31
Y	2023-07-01	2024-09-30
Y	2022-07-01	2023-06-30
Y	2021-07-01	2022-06-30

Publisher: Independent Medical College, Faisalabad- Pakistan

Country: Pakistan

Year: 2023

Volume: 30

Issue: 3

Language: English

DOI: 10.29309/TPMJ/2023.30.03.7244

Keywords: PopulationAnatomyBone densityFemurHip JointMultiple TraumaOrthopedics

Abstract

Objective: To study the variations in anthropometric parameters of the adult human femora including total length, shaft length, the angle anteversion and neck shaft angle in femur of Pakistani origin. Study Design: Descriptive Correlational. Setting: Department of Anatomy, Rawalpindi Medical University. Period: April, 2022 to June, 2022. Material &amp; Methods: Eighty femora of undetermined gender and age were selected from the bone bank of Anatomy Department, Rawalpindi Medical University (RMU). Measuring tape was used to measure length and goniometer was used to measure angles. Results: Thirty five bones were of right side and 45 of the left. The total femur length was 43.75±3.01 cm and the femur shaft length were 30.21±2.54 cm. There was no significant difference between the two sides. The mean neck shaft angle was 128.79±5.05 degrees with no difference between the sides. The mean angle of anteversion was 16.43±5.14 degrees with a significantly greater angle on the right compared to the left side (p=0.028). Conclusion: In Pakistani Femur there is no significant difference in the total, shaft lengths and neck shaft angles on the right and left sides. This bilateral symmetry shows synchronization which is important for posture and movement. However, the Angle of Femoral Neck Anteversion is significantly greater on the right as compared to the left. Also, this angle is less than reported in African and more than reported in American and European population.

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Research Objective

To study the variations in anthropometric parameters of adult human femora, including total length, shaft length, angle of anteversion, and neck shaft angle, in a Pakistani population.

Methodology

Descriptive correlational study. Eighty adult femora of undetermined gender and age were selected from the bone bank of the Department of Anatomy, Rawalpindi Medical University. Measuring tape and goniometer were used to measure total length, shaft length, neck shaft angle, and angle of anteversion. Data was analyzed using SPSS Version 26 with independent samples t-tests.

Methodology Flowchart

                        graph TD
    A[Selection of 80 adult femora] --> B[Measurement of Total Length];
    B --> C[Measurement of Shaft Length];
    C --> D[Measurement of Neck Shaft Angle];
    D --> E[Measurement of Angle of Anteversion];
    E --> F[Data Entry into Excel];
    F --> G[Data Analysis using SPSS v26];
    G --> H[Comparison of Meanst-test];
    H --> I[Interpretation of Results];
    I --> J[Conclusion];

Discussion

The study found bilateral symmetry in total femur length, shaft length, and neck shaft angle in the Pakistani population, which is important for posture and movement. However, the angle of femoral neck anteversion was significantly greater on the right side. This angle was found to be less than reported in African populations and more than reported in American and European populations, suggesting regional variations influenced by geographical, hereditary, and behavioral factors.

Key Findings

- The mean total femur length was 43.75±3.01 cm, and the mean femur shaft length was 30.21±2.54 cm, with no significant difference between the right and left sides.
- The mean neck shaft angle was 128.79±5.05 degrees, with no significant difference between the sides.
- The mean angle of anteversion was 16.43±5.14 degrees, with a significantly greater angle on the right side compared to the left side (p=0.028).

Conclusion

In the Pakistani femur, there is no significant difference in total length, shaft length, and neck shaft angles between the right and left sides. The angle of femoral neck anteversion is significantly greater on the right compared to the left. This angle is less than reported in African populations and more than reported in American and European populations.

Fact Check

- The study used 80 femora from the bone bank of Rawalpindi Medical University.
- The mean total femur length was found to be 43.75±3.01 cm.
- The mean angle of anteversion was 16.43±5.14 degrees, with a statistically significant difference between the right and left sides (p=0.028).

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