Ch 12: Muscles of the Hand

About This Chapter

Boost your confidence ahead of an upcoming exam with help from this engaging chapter covering the muscles of the hand. In these short, mobile-friendly lessons and multiple-choice quizzes, you'll find the information you'll want to know to be ready for test day.

Muscles of the Hand - Chapter Summary

Our instructors present topics related to the muscles of the hand in this collection of interesting lessons. As you study this chapter, you'll review the action and innervation of the flexor digitorum superficialis, as well as the origin and fat pad of the pronator quadratus muscle. These professionally designed lessons clearly lay out these topics in an easy to follow way, and you can work at your own pace as you complete the chapter. As a great test prep tool, each lesson is followed by a short multiple-choice quiz. After completing this chapter, you should be ready to:

  • Detail the function of the flexor digitorum profundus
  • Explain the action and insertion of the flexor digitorum profundus muscle
  • Outline the origin and function of the extensor digitorum longus muscle
  • Identify the action of the extensor indicis muscle
  • Define the anatomical snuffbox
  • Discuss the origin and insertion of the abductor pollicis longus muscle

11 Lessons in Chapter 12: Muscles of the Hand
Test your knowledge with a 30-question chapter practice test
Flexor Digitorum Superficialis: Origin, Action & Insertion

1. Flexor Digitorum Superficialis: Origin, Action & Insertion

The flexor digitorum superficialis is a muscle that helps to flex your fingers. But which fingers? Find out in this lesson as you go over the origin, insertion, and actions of the flexor digitorum superficialis.

Flexor Digitorum Superficialis: Definition & Innervation

2. Flexor Digitorum Superficialis: Definition & Innervation

This lesson is going to define the flexor digitorum superficialis and outline its innervation and blood supply. You'll also perform an exercise (literally) that will show you how this muscle works.

Pronator Quadratus Muscle: Action, Origin & Insertion

3. Pronator Quadratus Muscle: Action, Origin & Insertion

The pronator quadratus muscle is a muscle located in the forearm that is used when a person eats, drinks, and brushes their teeth. To learn more about this muscle, including its origin, insertion, and action, be sure to read this lesson!

Pronator Quadratus: Function, Innervation & Fat Pad

4. Pronator Quadratus: Function, Innervation & Fat Pad

How often do you use your pronator quadratus muscle? If you said hundreds of times each day, then you are right! Read this lesson to learn all about the pronator quadratus muscle, including its innervation, function, and fat pad.

Flexor Digitorum Profundus: Function & Innervation

5. Flexor Digitorum Profundus: Function & Innervation

The flexor digitorum profundus is a muscle that you are most likely using to control your tablet or computer in order to read this very sentence. Learn more about this muscle, including its specific functions and innervation, by reading the rest of this lesson.

Flexor Digitorum Profundus: Origin, Action & Insertion

6. Flexor Digitorum Profundus: Origin, Action & Insertion

The flexor digitorum profundus muscle is a vitally important muscle to daily life. Be sure to read this lesson to find out how and why the flexor digitorum profundus is so important, as well as other great information about this muscle.

Extensor Digitorum Longus Muscle: Function & Innervation

7. Extensor Digitorum Longus Muscle: Function & Innervation

The extensor digitorum longus muscle has a very important role in walking, jogging, and running. Learn how this muscle is involved in these activities by checking out the rest of this lesson!

Extensor Digitorum Longus: Action, Origin & Insertion

8. Extensor Digitorum Longus: Action, Origin & Insertion

The extensor digitorum longus is an important muscle that performs several movements of the ankle and toes. Want to learn more about the origin, insertion, and action of this muscle? Read this lesson!

Extensor Indicis Muscle: Origin, Action & Insertion

9. Extensor Indicis Muscle: Origin, Action & Insertion

We don't really think about the muscles of our hands, even though they help us do so much! This lesson goes over one of these muscles, the extensor indicis, and what it does for us on a nearly constant basis.

What is the Anatomical Snuffbox? - Muscles & Anatomy

10. What is the Anatomical Snuffbox? - Muscles & Anatomy

In this lesson we will discuss the unique physical structure known as the anatomical snuffbox. We will cover the anatomy associated with this feature and look at how this structure got it's name.

Abductor Pollicis Longus: Origin, Insertion & Innervation

11. Abductor Pollicis Longus: Origin, Insertion & Innervation

The abductor pollicis longus is a muscle that moves the thumb in multiple directions. Want a crash course in the origin, insertion, and innervation of this muscle? Be sure to continue reading!

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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