Shoulder Anatomy

Front

What is the Deltoid muscle?

Back

The Deltoid is a large, triangular muscle covering the shoulder joint, responsible for arm abduction, flexion, and extension.

Front

What is the function of the Teres Minor muscle?

Back

The Teres Minor is a small muscle located in the shoulder that helps in the external rotation of the arm and stabilization of the shoulder joint.

Front

What role does the Serratus Anterior play in shoulder movement?

Back

The Serratus Anterior is crucial for the protraction and upward rotation of the scapula, allowing for overhead arm movements.

Front

Identify the Clavicle and its function.

Back

The Clavicle, or collarbone, connects the arm to the body and helps stabilize the shoulder.

Front

What is the Supraspinatus muscle?

Back

The Supraspinatus is one of the rotator cuff muscles, responsible for initiating arm abduction and stabilizing the shoulder joint.

Front

What is the Humerus?

Back

The Humerus is the long bone of the upper arm, extending from the shoulder to the elbow.

Front

Define the term 'Rotator Cuff'.

Back

The Rotator Cuff is a group of four muscles and their tendons that stabilize the shoulder and allow for a wide range of motion.

Front

What is the function of the Infraspinatus muscle?

Back

The Infraspinatus is a rotator cuff muscle that primarily facilitates external rotation of the arm.

Front

Explain the role of the Rhomboid Major muscle.

Back

The Rhomboid Major retracts the scapula, pulling it towards the spine, and helps in stabilizing the shoulder.

Front

What is the Latissimus Dorsi muscle?

Back

The Latissimus Dorsi is a large muscle of the back that extends, adducts, and internally rotates the arm.