Definition

1. Noun:
   • The glenohumeral joint: A ball-and-socket synovial joint connecting the upper limb to the torso. It is formed by the articulation between the head of the humerus (the ball) and the glenoid cavity of the scapula (the socket). This joint allows for a wide range of motion in the arm.

Usage Examples

• Noun:
  • An injury to the shoulder joint can severely limit mobility.
  • The surgeon explained how arthritis was affecting the cartilage in his shoulder joint.
  • The remarkable flexibility of the human shoulder joint enables activities like throwing and swimming.

Advanced Usage

• "To dislocate the shoulder joint": To cause the head of the humerus to come completely out of the glenoid cavity.
  • The fall caused him to dislocate his shoulder joint.
• In anatomical description, it is often specified as the glenohumeral joint to distinguish it from the broader "shoulder complex," which includes other joints like the acromioclavicular joint.

Variants and Related Words

• Glenohumeral joint (n): The formal anatomical term for the shoulder joint.
• Shoulder (n): The general area of the body where the arm connects to the torso, often used informally to refer to the shoulder joint itself.
• Shoulder girdle (n): The bony structure that provides attachment for the upper limb, consisting of the clavicle and scapula.

Synonyms

• Glenohumeral joint (anatomical term)

Related Phrases

• Shoulder pain: Discomfort originating in or around the shoulder joint.
• Shoulder replacement: A surgical procedure where the damaged parts of the shoulder joint are replaced with artificial components.
• Frozen shoulder: A condition (adhesive capsulitis) characterized by stiffness and pain in the shoulder joint.

Noun

1. a ball-and-socket joint between the head of the humerus and a cavity of the scapula