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HomeHomework HelpanatomyAnatomy of the Scapula

Anatomy of the Scapula

The scapula, or shoulder blade, is a flat, triangular bone located in the upper back that connects the humerus (upper arm bone) with the clavicle (collarbone) and serves as an attachment point for several muscles that facilitate shoulder movement.

intermediate
2 hours
Anatomy
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Overview

The scapula, or shoulder blade, is a vital bone in the upper back that connects the arm to the body. Its unique triangular shape allows for a wide range of motion in the shoulder joint, making it essential for various activities such as lifting and throwing. The scapula serves as an attachment point...

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Key Terms

Scapula
A flat, triangular bone in the upper back.

Example: The scapula connects the arm to the body.

Acromion
The bony process on the scapula that forms the highest point of the shoulder.

Example: The acromion can be felt at the top of the shoulder.

Glenoid Cavity
The shallow socket in the scapula that receives the head of the humerus.

Example: The glenoid cavity allows for a wide range of shoulder movements.

Rotator Cuff
A group of muscles and tendons that stabilize the shoulder.

Example: Injuries to the rotator cuff can limit shoulder mobility.

Scapular Winging
A condition where the scapula protrudes from the back due to muscle weakness.

Example: Scapular winging can affect arm movement.

Rhomboids
Muscles that connect the scapula to the spine and help retract the shoulder blades.

Example: Strengthening the rhomboids can improve posture.

Related Topics

Shoulder Joint Anatomy
Explores the structure and function of the shoulder joint, including its ligaments and movements.
intermediate
Muscle Anatomy of the Shoulder
Covers the major muscles involved in shoulder movement and their functions.
intermediate
Common Shoulder Injuries
Discusses various injuries related to the shoulder, including prevention and treatment.
intermediate

Key Concepts

Structure of the scapulaFunctions of the scapulaMuscle attachmentsClinical significance