Abstract

Objectives

To investigate the normative two-point discrimination (TPD) values of the lower extremities of healthy young Turkish individuals.

Patients and methods

Fifty-five healthy, young adults were recruited in this prospective study. Ten lower extremity parts were tested with esthesiometer: proximal thigh, midlateral thigh, midmedial thigh, midposterior thigh, proximal lateral leg, distal lateral leg, medial leg, the tip of great toe, skin over 1–2 metatarsal interspace, skin over 5th metatars at both dominant and non-dominant sides.

Results

There were 27 (49.1%) female and 28 (50.9%) male participants with a mean age of 22.06 ± 1.76 years. The reference values of the TPD of the lower extremities were between 42.4 ± 5.4 mm and 4.0 ± 1.3 mm by females and between 42.6 ± 6.4 mm and 4.4 ± 2.4 mm by males. Test values in the combined group of men and women were statistically greater at the dominant sides than the non-dominant sides at the following areas: proximal lateral leg (p = 0.01), distal lateral leg (p = 0.046), medial leg (p = 0.001), tip of great toe (p = 0.02), skin over 1–2 metatarsal interspace (p = 0.010), skin over 5th metatars (p = 0.002). There was no statistical difference in the test scores of men and women in any of the measured areas, with additional evaluation of both the dominant and the non-dominant sides (p > 0.05).

Conclusion

The results of the present study demonstrated that TPD ability varied in different skin areas within the same individual. We found that laterality, though with lower scores on the non-dominant side in some lower extremity parts, but not the gender had an effect on TPD.

中文翻译：

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健康年轻土耳其人下肢的两点歧视评估

摘要

目标

调查健康年轻土耳其人下肢的规范两点歧视 (TPD) 值。

患者和方法

在这项前瞻性研究中招募了 55 名健康的年轻人。用 esthesiometer 测试了 10 个下肢部位：大腿近端、大腿中部、大腿中部、大腿中部、小腿近端、小腿远端、小腿内侧、大脚趾尖、1-2 跖骨间隙皮肤、第 5 跖骨皮肤在主导和非主导方面。

结果

有 27 (49.1%) 名女性和 28 (50.9%) 名男性参与者，平均年龄为 22.06 ± 1.76 岁。女性下肢TPD的参考值在42.4±5.4毫米和4.0±1.3毫米之间，男性在42.6±6.4毫米和4.4±2.4毫米之间。男性和女性组合组的测试值在以下区域的优势侧比非优势侧具有统计学意义：近侧腿（p  = 0.01），远侧腿（p  = 0.046），内侧腿（p  = 0.001)，大脚趾尖 ( p  = 0.02)，1-2 跖骨间隙皮肤 ( p  = 0.010)，第 5 跖骨皮肤 ( p = 0.002）。在任何一个测量区域，男性和女性的测试分数没有统计学差异，对优势和非优势方的额外评估（p  > 0.05）。

结论

本研究的结果表明，同一个人的不同皮肤区域的 TPD 能力不同。我们发现侧向性虽然在一些下肢部位的非优势侧得分较低，但性别对 TPD 没有影响。