견갑골은 어깨뼈 중 하나로, 상반되는 어깨뼈 중 하나로 구성됩니다. 견갑골은 상체의 어깨뼈 중 가장 큰 것으로, 어깨에서 팔꿈치로 이어지는 연결부를 이룹니다. 견갑골은 움직이는 관절들을 지지하는 역할을 하며, 어깨의 움직임에 필요한 힘을 제공합니다. 견갑골의 특징으로는 그 크기가 크고, 상부와 하부로 구분되며 그 상부는 어깨뼈와 결합되며, 하부는 팔꿈치로 연결되며 움직임이 풍부하다는 것이 있습니다.
Characteristics of the scapula
The scapula, also known as the shoulder blade, is a flat, triangular-shaped bone located in the upper back. It is located between the clavicle (collarbone) and the thoracic vertebrae. Some of the main characteristics of the scapula include:
- Shape: The scapula is a flat, triangular bone with a curved spine and two sharp angles, called the superior and inferior angles.
- Surface features: The scapula has a number of surface features, including the supraspinous fossa, infraspinous fossa, and subscapular fossa. These are the three concave areas on the scapula that provide attachments for muscles.
- Articulations: The scapula has three articulations, or joints, that allow for movement of the shoulder. The acromioclavicular joint connects the scapula to the clavicle, the glenohumeral joint connects the scapula to the upper arm bone (humerus), and the scapulothoracic joint connects the scapula to the thoracic cage.
- Muscles Attachments: The scapula is a site of attachment for many muscles that are responsible for movement and stability of the shoulder. The rotator cuff muscles, deltoid, trapezius, levator scapulae and serratus anterior are some the main muscles that attach to the scapula.
- Function: The scapula plays an important role in the movement and stability of the shoulder. It acts as a pivot point for the arm, allowing for a wide range of motion in the shoulder joint. It also provides a stable base for the muscles that control shoulder movement, allowing for the arm to generate force and lift weight.
It’s important to note that injuries or certain medical conditions can affect the scapula, leading to pain, weakness, or limited movement in the shoulder. Scapular dyskinesis is a common condition that refers to abnormal movement or position of the scapula during shoulder movements, which can lead to pain and muscle imbalances.
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