Shoulder Anatomy and Muscles

The video tutorial provides an overview of shoulder anatomy, focusing on both posterior and anterior muscles. It begins with a scenario of a shoulder injury, followed by a detailed explanation of the shoulder bones and joint. The tutorial then identifies and describes the posterior shoulder muscles, including the teres minor, teres major, infraspinatus, supraspinatus, triceps, deltoid, levator scapula, rhomboids, trapezius, and latissimus dorsi. It continues with the anterior shoulder muscles, highlighting the supraspinatus, subscapularis, biceps, deltoid, serratus anterior, and pectoralis major and minor. The video aims to help viewers understand the anatomy of shoulder muscles.

What two bones form the shoulder joint?

• Humerus and clavicle

• Scapula and sternum

• Humerus and scapula

• Scapula and clavicle

Which muscle is NOT part of the posterior shoulder muscles?

• Teres minor

• Trapezius

• Infraspinatus

• Pectoralis major

Which muscle is visible from both the anterior and posterior aspects of the shoulder?

• Latissimus dorsi

• Deltoid

• Teres major

• Subscapularis

What is the common insertion point for the biceps tendon?

• Acromion process

• Olecranon process

• Radial tuberosity

• Coracoid process

Which muscle is responsible for the movement of the shoulder blade?

• Infraspinatus

• Teres major

• Serratus anterior

• Pectoralis minor

The pectoralis major muscle has how many heads?

• Four

• Three

• Two

• One

Which muscle is NOT part of the anterior shoulder muscles?

• Supraspinatus

• Pectoralis major

• Subscapularis

• Trapezius