2024年10月29日 · As part of your axial skeleton, your rib cage helps form the trunk of your body. It also serves as an attachment point for core muscles, like your diaphragm. What are the parts of the human rib cage? As part of your skeletal system, your rib cage is made up of bones and the joints that connect them. The bones include: 24 ribs (12 on each side).

The human rib cage is a component of the human respiratory system. It encloses the thoracic cavity, which contains the lungs. An inhalation is accomplished when the muscular diaphragm, at the floor of the thoracic cavity, contracts and flattens, while the contraction of intercostal muscles lift the rib cage up and out.

Names and Anatomy of Bones in the Rib Cage. The human rib cage comprises 37 bones: Sternum (1, unpaired): It is also known as the breastbone and can be felt at the center of the chest. This bone articulates with the first 7 ribs. Thoracic vertebrae (12, unpaired): These are the 12 bones in the thoracic spine (T1-T12). Each vertebra articulates ...

2025年1月27日 · The rib cage is a bony framework in the thoracic region that provides structural support and protection for vital organs such as the heart and lungs. It is composed of 12 pairs of ribs, the sternum (breastbone), and thoracic vertebrae. ... Several muscles attach to the rib cage, aiding in breathing and movement: ... The Human Bone Manual ...

2016年8月22日 · These muscles move the ribs at the sternocostal and costospinal joints. The following is an overview of the structure and function of the spinal joint muscles presented in this chapter.

2024年8月24日 · Discover the guide to rib cage anatomy, with parts, names & clear diagram. Learn how the rib cage protects vital organs & supports the body.

2025年1月13日 · What are the intercostal muscles? Your intercostal muscles connect each rib of your ribcage to its neighbors. These muscles are part of your thoracic wall, and the way these muscles flex is part of how you breathe. These muscles span the intercostal spaces — or the gaps between your rib bones.

2024年12月11日 · Rib cage, basketlike skeletal structure that forms the chest, or thorax, made up of the ribs and their corresponding attachments to the sternum and the vertebral column. The rib cage surrounds the lungs and the heart, serving as an important means of bony protection for these vital organs.

All muscles that are attached to the human rib cage have the inherent potential to cause a breathing action. Muscles that are helpful in expanding the thoracic cavity are called the inspiratory muscles because they help in inhalation.

2022年11月18日 · Several vital muscles attach to the ribs, controlling or affecting their movement. Here are the names of some of the most important muscles around the ribs: Intercostals (external, internal, innermost)