Muscles of the arm

The video tutorial explores the anatomy of arm muscles, starting with an introduction to bodybuilding and its controversies, including steroid use. It clarifies anatomical terminology, focusing on the arm and leg. The tutorial provides an overview of the arm muscles, divided into anterior and posterior compartments, and explains the bones of the shoulder joint. Detailed descriptions of the biceps brachii, coracobrachialis, brachialis, triceps brachii, and anconeus muscles are provided, including their functions and innervation. Clinical notes on the risks of anabolic steroids are discussed, concluding with a summary of the tutorial.

What is one of the controversies associated with bodybuilding?

• Dietary supplements

• Use of fake tan

• Steroid use

• Weight lifting

In anatomical terms, what is the region between the shoulder and elbow called?

• Arm

• Upper limb

• Thigh

• Forearm

Which muscle is known for having two heads with different points of origin?

• Triceps brachii

• Brachialis

• Biceps brachii

• Coracobrachialis

What nerve innervates the biceps brachii?

• Ulnar nerve

• Radial nerve

• Median nerve

• Musculocutaneous nerve

Which muscle assists in the extension of the forearm at the elbow joint?

• Brachialis

• Anconeus

• Biceps brachii

• Coracobrachialis

What is a potential side effect of anabolic steroid use?

• Liver disease

• Stronger bones

• Increased height

• Improved vision

Which muscle is often overlooked but found in the posterior compartment of the arm?

• Biceps brachii

• Coracobrachialis

• Anconeus

• Brachialis