相关实验视频
Updated: May 8, 2025

04:23
The Creation of a Rat Model for Osteosarcopenia via Ovariectomy
Published on: February 21, 2025
176
重新思考老年人的肉症和脆弱性
1Department of Neuromuscular Medicine, Western University of Health Sciences, COMP-Northwest, Lebanon, OR, USA.
Post reproductive health
|April 22, 2025
概括
肉症是一种肌肉质量较低的疾病,影响着老年人和绝经后妇女,增加了跌倒的风险. 通过改变生活方式,在中年期的早期干预可以预防脆弱并保持肌肉健康.
科学领域:
- 老年学是一门学科.
- 肌肉骨健康 肌肉骨健康
- 预防医学 预防医学
背景情况:
- 萨科佩尼亚,或'老年人的脆弱',以低肌肉质量为特征,在老年人和绝经后妇女中普遍存在.
- 与年龄相关的肌肉稀薄有助于跌倒,骨折,失去独立性和显著的医疗保健成本.
- 目前的诊断依赖于肌肉质量,力量和身体表现,但发病时间可能比传统上认为的更早.
研究的目的:
- 重新评估萨科佩尼亚和虚弱的诊断,将其视为从中年开始的过程,特别是在更年期左右.
- 从"末期"的诊断转变为中年预防性健康讨论.
- 强调早期干预在疾病预防和健康维护中的作用.
主要方法:
- 审查导致肉症的生理因素,包括蛋白质合成不平衡,卫星细胞衰退,脱皮,炎症,荷尔蒙变化和线粒体衰退.
- 讨论老年人脆弱和跌倒之间的因果关系.
- 突出生活方式干预措施,如抵抗训练,饮食和主动诊断.
主要成果:
- 在女性中,肉症的发病可能与更年期,先前的跌倒,骨折或不运动有关.
- 早期检测和中年期的干预可以减轻肉类的进展.
- 在更年期早期,医生对运动,补充剂和饮食的建议可以积极影响结果.
结论:
- 萨科佩尼亚应该被视为中年状况,而不仅仅是末期诊断.
- 在中年期间主动的生活方式干预对于预防肉类和保持肌肉健康至关重要.
- 将肉类症预防纳入常规健康妇女访问中,可以显著改善老年人的长期健康结果.
更多相关视频
04:00Author Spotlight: Assessing Surgical Frailty with Point-of-Care Ultrasound of Quadriceps Muscles
Published on: July 26, 2024
380
05:53Measuring Frailty in HIV-infected Individuals. Identification of Frail Patients is the First Step to Amelioration and Reversal of Frailty
Published on: July 24, 2013
16.2K
相关概念视频
The Effect of Aging on Tissues
2.0K
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...
2.0K
Aging
21
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
21
Bone Disorders
3.3K
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
3.3K
Changes in the Appendicular Skeleton with Age
1.8K
The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
1.8K
Muscle Recovery and Fatigue
1.8K
Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
1.8K
Mitochondria
8.9K
Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
8.9K