Zufferey Jacques A
Clinique Arteplast, Rue de Lausanne 30, 1950 Sion, Switzerland.
Eur J Plast Surg. 2013 Jun;36(6):345-352. doi: 10.1007/s00238-013-0809-4. Epub 2013 Feb 19.
The malaris muscle is a superficial and fine facial muscle. It is not well known because of its inconsistency in Caucasians. It could play a role in midface aging prevention as that observed in subjects with prominent cheekbones like Asian people. The purpose of this study was to explain how the malaris muscle is able to produce an anti-aging effect on the midface.
We first analysed a hundred pictures of human faces of different age sex and race to better comprehend identifying characteristics of aging in particular of the midface. Then anatomical dissections were done on fresh cadavers to identify the malaris muscle associated with radiological studies. Finally, in vivo experiments with botulinum toxin A (Botox) and lidocaine (Xylocaine) permitted to precise the action of the malaris muscle on the midface and principally on the malar fad pad.
These anatomical and functional studies demonstrated that the malaris muscle acts as a dynamic link between the Superficial Muscular Aponeurotic System (SMAS) of the upper part of the face and the SMAS of the midface, producing a lifting effect of the soft tissues of the cheek particularly the malar fat pad. This action is the due to presence of the dermal terminations of the malaris muscle.
The malaris muscle could be an anti-aging link of the midface. Our findings suggest a new approach for the comprehension of the global facial aging.
颧肌是一块表浅且纤细的面部肌肉。由于其在白种人中表现不一致，因而鲜为人知。它可能在预防中面部衰老方面发挥作用，如同在颧骨突出的人群（如亚洲人）中所观察到的那样。本研究的目的是解释颧肌如何能够对中面部产生抗衰效果。
我们首先分析了一百张不同年龄、性别和种族的人脸图片，以更好地理解衰老的识别特征，尤其是中面部的衰老特征。然后对新鲜尸体进行解剖，以识别与放射学研究相关的颧肌。最后，使用A型肉毒杆菌毒素（保妥适）和利多卡因（赛罗卡因）进行体内实验，以明确颧肌对中面部，主要是对颧脂肪垫的作用。
这些解剖学和功能研究表明，颧肌作为面部上部的表浅肌肉腱膜系统（SMAS）和中面部的SMAS之间的动态连接，对脸颊的软组织，尤其是颧脂肪垫产生提升作用。这种作用归因于颧肌的真皮终末的存在。
颧肌可能是中面部的抗衰连接结构。我们的研究结果提示了一种理解整体面部衰老的新方法。
