Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

9. Muscle Tissue

Introduction to Muscles and Muscle Tissue

Anatomy & Physiology

9. Muscle Tissue

Introduction to Muscles and Muscle Tissue

Previous problemNext problem

Struggling with Anatomy & Physiology?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

The insertion of the extensor carpi radialis longus muscle is on which of the following bones or structures?

The base of the second metacarpal

The styloid process of the radius

The lateral epicondyle of the humerus

The olecranon process of the ulna

Previous problemNext problem

Verified step by step guidance

Step 1: Begin by identifying the extensor carpi radialis longus muscle. This muscle is part of the posterior compartment of the forearm and is responsible for extending and abducting the wrist.

Step 2: Understand the concept of muscle insertion. The insertion is the point where the muscle attaches to the bone or structure that moves when the muscle contracts. For the extensor carpi radialis longus, this is crucial to determine its function.

Step 3: Recall the anatomical location of the base of the second metacarpal. This is a bone in the hand, specifically the second metacarpal, which corresponds to the index finger. The extensor carpi radialis longus inserts here to facilitate wrist extension and abduction.

Step 4: Eliminate the other options by understanding their anatomical relevance. The styloid process of the radius, lateral epicondyle of the humerus, and olecranon process of the ulna are not insertion points for this muscle. Instead, they serve as attachment points for other muscles or structures.

Step 5: Confirm the correct answer by reviewing the muscle's function and insertion point. The extensor carpi radialis longus inserts at the base of the second metacarpal, allowing it to perform its role in wrist movement.