Shoulder Anatomy Quiz

Questions and Answers

What is the function of the Subscapularis?

Medially rotates arm

What is another name for the shoulder blade?

Scapula

What is the breastbone commonly referred to as?

Sternum

What does the Sternoclavicular Joint (SC) connect?

Proximal end of clavicle with the manubrium of the sternum Signup and view all the answers

What is another name for the collar bone?

Clavicle Signup and view all the answers

What is the Acromioclavicular Joint (AC)?

A joint where the bony projections of the scapula and the clavicle meet at the top of the shoulder Signup and view all the answers

What is the highest portion of the shoulder called?

Acromion Process Signup and view all the answers

What is the function of the Subacromial Bursae?

Bursa between acromion process and insertion of supraspinatus muscle Signup and view all the answers

What muscle abducts the arm?

Supraspinatus Signup and view all the answers

What muscle is responsible for lateral rotation at the shoulder?

Infraspinatus Signup and view all the answers

Which muscle rotates the arm laterally?

Teres Minor Signup and view all the answers

Study Notes

Shoulder Anatomy Terms

Subscapularis: Muscle responsible for medially rotating the arm.
Scapula: Known as the shoulder blade, a crucial part of the shoulder girdle.
Sternum: Also referred to as the breastbone; it plays an essential role in thoracic stability.
Sternoclavicular Joint (SC): Joint formed by the proximal end of the clavicle and the manubrium of the sternum; features a fibrocartilaginous disk for cushioning and stability, despite a weak bony arrangement.
Clavicle: Commonly called the collar bone; it connects the arm to the body and helps stabilize shoulder movements.
Acromioclavicular Joint (AC): A simple joint where the scapula's bony projections meet the clavicle at the shoulder's top, facilitating arm movement.
Acromion Process: The highest point of the shoulder, providing structural support and attachment for muscles.
Subacromial Bursae: A fluid-filled sac located between the acromion process and the supraspinatus muscle, reducing friction during shoulder movement.
Supraspinatus: A muscle that aids in arm abduction, essential for raising the arm away from the body.
Infraspinatus: Muscle that is involved in the lateral rotation of the shoulder, contributing to overall shoulder stability and movement.
Teres Minor: A muscle that assists in lateral rotation of the arm and plays a role in shoulder joint stability.

Description

Test your knowledge on the anatomy of the shoulder with this quiz. Learn about key structures including muscles, bones, and joints that comprise the shoulder region. Perfect for students of anatomy and healthcare professionals.