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相关概念视频

Muscles for Facial Expressions01:14

Muscles for Facial Expressions

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The craniofacial muscles are a collection of approximately 20 thin skeletal muscles situated beneath the skin of the face and scalp. These muscles, primarily responsible for the vast array of human facial expressions, originate from the bones or fibrous structures of the skull and extend outwards to connect with the skin. While most skeletal muscles in the body are enveloped in thick fascia, facial muscles generally have a more delicate fascial covering, with the buccinator muscle being a...
1.8K
Assessment of Airway, Skin Color, and Use of Accessory Muscles01:30

Assessment of Airway, Skin Color, and Use of Accessory Muscles

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A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
Introduction
The initial evaluation of a patient's respiratory system...
972
Axial and Appendicular Muscles01:18

Axial and Appendicular Muscles

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Skeletal muscles, the key players in our body's movement, can be classified into two groups based on their location and function: axial muscles and appendicular muscles. These classifications reflect the primary roles the muscles play in the body's structure and movement.
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and...
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The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

2.1K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
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Naming Skeletal Muscles01:19

Naming Skeletal Muscles

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The naming of the approximately 700 muscles in the human body is based on a set of criteria designed to provide descriptive information about each muscle, making it easier to identify and remember them.
The key factors used in naming muscles include:
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相关实验视频

Updated: Jun 7, 2025

Rodent Model of Masseter Volumetric Muscle Loss for Studying Bioengineering Materials
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腹腔和干部肌肉特征之间的与衰老相关的差异.

Sirinthip Amornsuradech1,2, Kohei Yamaguchi3, Kazuharu Nakagawa1

  • 1Department of Dysphagia Rehabilitation, Graduate School of Medical and Dental Sciences, Institute of Science Tokyo, Tokyo, Japan.

Scientific reports
|November 12, 2024
PubMed
概括

衰老对干部和外周肌肉的影响不同. 干部肌肉的硬度,质量和数量与年龄相关,与外周肌肉不同,表明与年龄相关的明显变化.

关键词:
衰老的衰老 衰老的衰老周围肌肉的肌肉 周围肌肉干部肌肉的肌肉 干部肌肉超声波学 超声波学 超声波学

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In Vivo Evaluation of the Mechanical and Viscoelastic Properties of the Rat Tongue
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科学领域:

  • 老年学是一门学科.
  • 生物力学 生物力学
  • 肌肉骨健康 肌肉骨健康

背景情况:

  • 衰老导致影响全身和吞肌肉的生理和功能变化.
  • 超声波用于评估肌肉特征,但其与周围口腔和干部肌肉年龄的关系,包括性,仍然未得到充分探索.

研究的目的:

  • 通过超声波,研究时间学年龄与腹腔和干部肌肉的特征 (质量,数量,刚性) 之间的关系.

主要方法:

  • 一项涉及215名参与者的横截面研究 (98名年轻人,117名老年人).
  • 超声波用于评估肌肉特征.
  • 进行了相关性和多重线性回归分析,考虑了年龄,性别,体重指数和牙数量.

主要成果:

  • 干部肌肉硬与年龄有显著的关联,超过了外周肌肉中观察到的相关性.
  • 干部的肌肉质量和数量与年龄的相关性比周围肌肉更强.
  • 马塞特肌肉的质量和数量与年龄的相关性比基因状肌肉更高.

结论:

  • 干部和外周肌肉的年龄相关变化在它们的特征上有所不同.
  • 保持干部和外耳肌肉活动对于老年人来说至关重要,以减轻功能衰退.