Muscles of the shoulder

Muscles of the shoulder

Assessment

Interactive Video

Health Sciences, Biology

University - Vocational training

Hard

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The tutorial explores the anatomy of the shoulder joint, focusing on its bones, muscles, and clinical aspects. It begins with an introduction to the shoulder's flexibility and an overview of the tutorial's content. The bones forming the shoulder joint, such as the humerus and scapula, are discussed, followed by a detailed look at the deltoid and rotator cuff muscles, including their functions and innervation. The tutorial also covers additional muscles that act on the shoulder joint, like the pectoralis major and latissimus dorsi. Clinical notes on common rotator cuff injuries and their treatments are provided, concluding with a summary of the key points covered.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a potential downside of increased flexibility in the shoulder joint?

Improved strength

Decreased joint stability

Enhanced endurance

Reduced range of motion

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which bones form the shoulder joint?

Humerus and scapula

Radius and ulna

Clavicle and sternum

Femur and tibia

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the clavicular part of the deltoid muscle?

Rotation of the arm

Extension of the arm

Flexion of the arm

Abduction of the arm

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which nerve innervates the deltoid muscle?

Radial nerve

Ulnar nerve

Axillary nerve

Median nerve

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which muscle is responsible for initiating abduction of the arm at the shoulder joint?

Subscapularis

Teres minor

Supraspinatus

Infraspinatus

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the subscapularis muscle?

Flexion of the arm

Lateral rotation of the arm

Medial rotation of the arm

Abduction of the arm

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which muscle is known as one of the 'swimming muscles' due to its role in medial rotation, adduction, and extension of the arm?

Biceps brachii

Deltoid

Latissimus dorsi

Pectoralis major

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