手腕上这条肌肉你有吗?没有是我进化啦?
The following article is from 博物 Author 萧旭
互联网上总有一些“人在进化”的传说,其中关于“掌长肌”的说法最让人愿意伸出手看看自己是不是已经进化了——将手腕伸直或微屈,拇指和小指对齐,手腕处是否会“拱”出来一根筋。
我试了,我还有 图源:小红书@eachcandy_xs
这是手臂浅层一块肌肉的肌腱,现在14%的人没有它是因为它没啥用吗?还是14%的人进化了?
少这根筋,我少啥了?
没掌长肌是我进化了吗?
慎滑。猫的掌长肌就非常发达
胳膊上少的肉可不光掌长肌
解剖图慎滑。(黑色箭头处就是滑车上肘肌,黑色星号处是尺神经。图源:参考资料[10])
参考文献
[1]. Cooper DW, Burns B. Anatomy, Shoulder and Upper Limb, Hand Palmaris Tendon. [Updated 2023 Aug 28]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK519516/
[2]. Sadeghifar A, Kahani AK, Saied A, Rasayi E. Interobserver and intraobserver reliability of different methods of examination for presence of palmaris longus and examination of fifth superficial flexor function. Anat Cell Biol. 2018 Jun;51(2):79-84.
[3]. Ioannis, D., Anastasios, K., Konstantinos, N., Lazaros, K., & Georgios, N. (2015). Palmaris Longus Muscle's Prevalence in Different Nations and Interesting Anatomical Variations: Review of the Literature. Journal of clinical medicine research, 7(11), 825–830. https://doi.org/10.14740/jocmr2243w
[4]. Yammine K. (2013). Clinical prevalence of palmaris longus agenesis: a systematic review and meta-analysis. Clinical anatomy (New York, N.Y.), 26(6), 709–718. https://doi.org/10.1002/ca.22289
[5]. Fidan, Nurdan & Cagliyan Turk, Ayla & Yetis, Esra & Yucesoy, Cuneyt. (2021). Determination of congenital absence of palmaris longus tendon with clinical examination and ultrasonography. Surgical and Radiologic Anatomy. 43. 1-8. 10.1007/s00276-020-02597-2.
[6]. Sebastin, S. J., Puhaindran, M. E., Lim, A. Y., Lim, I. J., & Bee, W. H. (2005). The prevalence of absence of the palmaris longus--a study in a Chinese population and a review of the literature. Journal of hand surgery (Edinburgh, Scotland), 30(5), 525–527. https://doi.org/10.1016/j.jhsb.2005.05.003
[7]. Behiery, A., Bakir, M., Dawalibi, A., & Elhossiny, A. H. (2023). Reversed Palmaris Longus: A Rare Anatomical Phenomenon Discovered. Cureus, 15(5), e38424. https://doi.org/10.7759/cureus.38424
[8]. Abu-Hijleh, Marwan. (2020). The Prevalence of Absence of the Palmaris Longus Muscle in the Bahraini Population. Clinical Anatomy 2010, 23(8): 956-961..
[9]. Reimann, Arthur & Daseler, Edward & Anson, Barry & Beaton, Lindsay. (2005). The palmaris longus muscle and tendon. A study of 1600 extremities. The Anatomical Record. 89. 495 - 505. 10.1002/ar.1090890408.
[10]. Capdarest-Arest, N., Gonzalez, J. P., & Türker, T. (2014). Hypotheses for ongoing evolution of muscles of the upper extremity. Medical hypotheses, 82(4), 452–456. https://doi.org/10.1016/j.mehy.2014.01.021
[11]. Throckmorton, Z. , Forth, N. , & Thomas, N. . (2015). Non-adaptive evolution of the m. palmaris longus in the homininae.
撰文 | 萧旭
部分图片 | 图虫创意
微信编辑 | 赵之遇
来源:博物
编辑:悦悦
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