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What is the cavity that serves as the socket of the scapula?
The cavity that serves as the socket of the scapula is called the glenoid cavity or glenoid fossa. This cavity articulates with the head of the humerus to form the shoulder joint.
What type of joint does the head of the humerus articulates with the glenoid cavity?
The head of the humerus articulates with the glenoid cavity of the scapula to form a ball-and-socket joint known as the shoulder joint. This joint allows for a wide range of motion in the shoulder.
What are markings include glenoid cavity and acromion?
The glenoid cavity is a shallow depression on the scapula where the head of the humerus articulates to form the shoulder joint. The acromion is a bony process of the scapula that forms the point of the shoulder and articulates with the clavicle to stabilize the shoulder joint.
What is the Difference between glenoid fossa and glenoid cavity?
The glenoid fossa is a concavity on the temporal bone of the skull, while the glenoid cavity is a shallow socket on the scapula bone of the shoulder joint. The glenoid fossa is part of the skull's temporomandibular joint, where the mandible articulates. The glenoid cavity is part of the shoulder joint, where the humerus articulates.
The glenoid cavity of the scapula articulates with what of the humerus?
The glenoid cavity of the scapula articulates with the head of the humerus, forming the glenohumeral joint, also known as the shoulder joint. This articulation allows for the wide range of motion seen in the shoulder joint.
Why is the shoulder joint also called the glenohumeral joint?
The shoulder joint is called the glenohumeral joint because it is formed by the articulation of the head of the humerus (upper arm bone) with the glenoid cavity of the scapula (shoulder blade). Gleno- refers to the glenoid cavity, which is part of the scapula, and humeral refers to the humerus bone.
Where is the glenoid cavity located?
no, the glenoid cavity is not in the clavicle. it is in the scapula, next to the acromion process and the coracoid process, which provide stability. the glenoid cavity articulates with the head of the humerus as a ball-and-socket joint.
Is the shoulder a ball-and-socket joint?
Yes, the shoulder is a ball-and-socket joint. The humerus bone of the upper arm fits into the glenoid cavity of the scapula, allowing for a wide range of motion at the shoulder joint.
Anatomical position humerus to scapula?
The humerus articulates with the scapula at the glenoid fossa to form the shoulder joint. Specifically, the head of the humerus sits in the shallow, concave glenoid cavity of the scapula. This ball-and-socket joint allows for a wide range of motion in the shoulder.
The humerus articulates with what bone marking of the scapula?
The humerus articulates with the glenoid cavity of the scapula.
What type of synovial joint is the shoulder joint?
The shoulder joint is a ball-and-socket synovial joint. It is formed by the head of the humerus and the glenoid cavity of the scapula, allowing for a wide range of motion in multiple directions.
What allows the humerus head to glide smoothly over the shoulder joint cavity?
The glenoid labrum, a ring of cartilage around the edge of the shoulder socket, provides stability and cushions the joint. Additionally, synovial fluid within the joint cavity lubricates the humerus head to allow smooth movement. The rotator cuff muscles also help stabilize and guide the movement of the humerus head during shoulder motion.
