一个三维的肌肉骨模型的盆腔和下肢的澳大利亚白虎 afarensis
Matthew C O'Neill1, Akinori Nagano2, Brian R Umberger3
1Department of Anatomy, Midwestern University, Glendale, Arizona, USA.
American journal of biological anthropology
|September 6, 2023
概括
一个新的3D肌肉骨模型的奥斯特拉洛皮塞克斯阿法伦西斯提供了洞察早期人类生物力学. 这种模型允许对运动和肌肉功能进行比较研究,增强我们对人类进化的理解.
科学领域:
- 古人类学古人类学.
- 生物力学 生物力学
- 进化生物学 进化生物学
背景情况:
- 肌肉骨模型对于理解运动和能量学至关重要.
- 奥斯拉洛皮塞克亚法伦斯 (Australopithecus afarensis) 提供了对人类肌肉骨进化的关键见解.
- 以前的模型缺乏详细的3D表示来进行比较分析.
研究的目的:
- 开发和评估一个3D肌肉骨模型的澳大利亚白. afarensis.
- 为了预测肌肉-肌的动力臂和动力产生能力.
- 为了使人类运动的比较生物力学研究.
主要方法:
- 使用AL创建了一个3D肌肉骨模型. 288-1 骨架. 这是一个骨架.
- 该模型结合了骨质几何,关节和35个肌单位.
- 肌肉参数来源于人类和黑猩猩数据集进行比较分析.
主要成果:
- 预测的肌动力臂与骨指标和现有模型保持一致.
- 人类和黑猩猩的肌肉参数表现出相似之处,但有一些力量差异.
- 该模型是可扩展的,以适应澳大利亚白虫 (Australopithecus afarensis) 内的尺寸变化.
结论:
- 开发的模型是研究Australopithecus afarensis神经肌肉骨系统的宝贵工具.
- 它允许使用人类和黑猩猩模型进行直接的,比较的3D模拟研究.
- 这项研究促进了我们对人类肌肉骨设计和运动进化的理解.
相关概念视频
Bones of the Lower Limb: Femur and Patella
2.6K
The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
2.6K
Bones of the Lower Limb: Tibia and Fibula
3.6K
The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...
3.6K
Muscles that Move the Thigh
1.1K
The thigh's motion is primarily governed by muscles originating in the pelvic girdle and inserted into the femur. One crucial muscle, the iliopsoas, is a combination of the psoas major and the iliacus muscles, sharing a common insertion point on the lesser trochanter of the femur.
Three other significant muscles are the gluteus maximus, gluteus medius, and gluteus minimus. The gluteus maximus originates from the posterior surface of the ilium, sacrum, and coccyx, and the thoracolumbar...
Three other significant muscles are the gluteus maximus, gluteus medius, and gluteus minimus. The gluteus maximus originates from the posterior surface of the ilium, sacrum, and coccyx, and the thoracolumbar...
1.1K
Changes in the Appendicular Skeleton with Age
2.1K
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...
2.1K
Muscles of the Pelvic Floor and Perineum
1.4K
The muscles of the pelvic floor and perineum are crucial for supporting the pelvic organs, controlling continence, and aiding in sexual function, childbirth, and core stability. They are typically divided into the superficial perineal layer and the deep pelvic floor layer.
Perineal Layer
The perineum is a diamond-shaped area below the pelvic diaphragm, divided into an anterior urogenital triangle that contains the external genitals and a posterior anal triangle housing the anus. The urogenital...
Perineal Layer
The perineum is a diamond-shaped area below the pelvic diaphragm, divided into an anterior urogenital triangle that contains the external genitals and a posterior anal triangle housing the anus. The urogenital...
1.4K
Overview of the Axial Skeleton
5.4K
The skeleton is subdivided into two major divisions—the axial skeleton and the appendicular skeleton. The axial skeleton forms the vertical, central axis of the body. It includes all of the bones of the head, neck, chest, and back. It protects the brain, spinal cord, heart, and lungs. It also serves as the attachment site for muscles that move the head, neck, and back and for muscles that act across the shoulder and hip joints to move their corresponding limbs.
The axial skeleton of the...
The axial skeleton of the...
5.4K


