Chapter 2, Problem 1RE

Summary Introduction

To list: The muscle nomenclature based on the shape, size, number of divisions, fiber direction, location, and action.

Introduction: The movement of the body and its joints are possible through skeletal muscles. The joint movement of the human body is caused by contractions of the muscles, which also gives the body protection and dynamic stability. Moreover, along with bones, the muscles also give posture to the body.

Explanation of Solution

Muscle name	Distinctive characteristic for which it is named
Adductor magnus	Size and action
Biceps brachii	Number of divisions
Biceps femoris	Number of division and location
Brachialis	Location
Brachioradialis	Attachment and location
Coracobrachialis	Point of attachment
Deltoid	Shape
Extensor carpi radialis brevis	Size, action, point of attachment
Extensor carpi ulnaris	Point of attachment, action
Extensor digiti minimi	Point of attachment, action
Extensor digitorum	Point of attachment, action
Extensor halluces longus	Point of attachment, action
Extensor indicis	Point of attachment, action
Extensor pollicis brevis	Point of attachment, action
External oblique	Direction of fibers and location
Fibularis brevis	Size and location
Flexor carpi radialis	Point of attachment, action
Flexor digitorum longus	Point of attachment, action, and size
Flexor digitorum profundus	Location and action
Flexor digitorum suprficialis	Location and action
Flexor pollicus longus	Point of attachment, action, and size
Gastrocnemius	Location and shape
Gluteus maximus	Location and size
Gluteus medius	Location and size
Iliacus	Location
Iliocostalis thoracis	Location
Infraspinatus	Location
Latissimus dorsi	Location and size
Levator scapulae	Point of attachment, action
Longissimus lumborum	Location and size
Obturator externus	Location and action
Palmaris longus	Location and size
Pectoralis minor	Location and size
Peroneus tertius	Location and number
Plantaris	Location and action
Pronator quadratus	Shape and action
Pronator teres	Shape and action
Psoas major	Location and size
Rectus abdominis	Location and action
Rectus femoris	Location and action
Rhomboid	Shape
Semimembranous	Shape
Semitendinosus	Shape
Serratus anterior	Location and shape
Spinalis cervicis	Attachment and location
Sternocleidomastoid	Attachment point
Subclavius	Attachment and location
Subscapularis	Location
Supinator	Action
Supraspinatus	Location
Tensor fasciae latae	Location and shape
Teres major	Size and shape
Tibialis posterior	Location
Transversus abdominis	Location and direction of fibers
Trapezius	Shape
Triceps brachill	Location and number of divisions
Vastus intermedius	Location and size
Vastus lateralis	Location and size
Vastus medialis	Location and size