Chapter 15
The Muscular System
![The Muscular System](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14860.jpg)
The muscular system is essential to the body's overall structure and function, playing a crucial role in movement, stability, and internal…
![Fascicle Arrangement in Skeletal Muscles](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14861.jpg)
Fascicles are bundles of muscle fibers in a skeletal muscle. Muscle fascicle arrangement is directly associated with the power and range of motion of…
![Naming Skeletal Muscles](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14864.jpg)
The naming of the approximately 700 muscles in the human body is based on a set of criteria designed to provide descriptive information about each…
![Axial and Appendicular Muscles](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14865.jpg)
Skeletal muscles, the key players in our body's movement, can be classified into two groups based on their location and function: axial muscles…
![Muscles of the Eye](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14867.jpg)
The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for…
![Muscles of the Anterior Neck](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14869.jpg)
The anterior neck muscles are the group of muscles covering the front part of the neck. These muscles are classified into three subgroups. The first…
![Muscles of the Vertebral Column](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14871.jpg)
The back muscles that lie deep into the thoracolumbar fascia are called intrinsic or true back muscles. These muscles are divided into four layers:…
![Muscles of the Thorax](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14872.jpg)
The thorax muscles are central to the body's respiration and provide essential support and movement for the upper body. They are intricately…
![Muscles of the Pelvic Floor and Perineum](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14874.jpg)
The muscles of the pelvic floor and perineum are crucial for supporting the pelvic organs, controlling continence, and aiding in sexual function,…
![Muscles of the Shoulder](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14875.jpg)
The muscles surrounding the shoulder girdle, including the clavicle and scapula, primarily stabilize the scapula. This stable base allows other…
![Muscles that Move the Forearm](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14877.jpg)
The muscles that move the forearms can be divided into four groups: forearm flexors, forearm extensors, forearm pronators, and forearm supinators.…
![Muscles of the Forearm that Move the Hand and Fingers](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/14878.jpg)
The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their…
![Obtaining Quality Extended Field-of-View Ultrasound Images of Skeletal Muscle to Measure Muscle Fascicle Length](https://cloudfront.jove.com/files/thumbs/61765_t.png)
Muscle fascicle length, which is commonly measured in vivo using traditional ultrasound, is an important parameter defining a muscle’s force…
![Using Facial Electromyography to Assess Facial Muscle Reactions to Experienced and Observed Affective Touch in Humans](https://cloudfront.jove.com/files/thumbs/59228_t.png)
"Affective" touch is believed to be processed in a manner distinct from discriminatory touch and to involve activation of C-tactile (CT) afferent…