About This Chapter
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
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.
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.
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!
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.
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.
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.
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!
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!
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.
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.
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!
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Other chapters within the Muscles of the Body for Health Professionals course
- Muscles of the Head
- Muscles of the Mouth
- Muscles of the Tongue
- Muscles of the Neck
- Muscles of the Shoulder
- Muscle Dysfunction in the Head, Neck & Shoulders
- Muscles of the Chest
- Muscles of the Abdomen
- Iliac Region Muscles
- Muscles of the Upper Arm
- Muscles of the Forearm
- Muscles of the Back
- Muscles of the Pelvis
- Gluteal Muscles
- Muscles of the Thigh
- Muscles of the Leg
- Muscles of the Foot
- Tendonitis & Muscle Tears