Study task 3 muscle origins, insertions and actions. The purpose of this document is to provide students of canine anatomy a simple reference for muscular origins, insertions, actions and nerve innervations without having to search through the overwhelming verbiage that accompanies most canine anatomy texts. Along with fibularis peroneus tertius, extensor digitorum longus and extensor hallucis longus, it comprises the anterior or extensor compartment of the leg. Many muscles have multiple points of origin or insertion. Tuber coxa patella blends, with fascia lata anterior gluteal n. Muscle origin insertion action innervation artery notes image. Origin insertion the radius and ulna are the moving bones insertion the origin is where the tendon of the muscle joins the stationary bones. Compresses abdominal contents, laterally flexes and rotates the vertebral column transversus abdominis origin. Muscles from lab pack with actions, origins and insertions.
Top of the patella and the patella tendon to the tibial tuberosity. The muscles of mastication develop from the first pharyngeal arch. Muscle name origin insertion action innervation muscles of. Muscle name origin insertion action innervation muscles of upper extremity pectoralis major medial half of clavicle, front of sternum, costal cartilage crest of greater tubercle lateral lip of bicipital groove horizontally adduct, medially rotate at shoulder medical and lateral pectoral pectoralis minor ribs 25 coracoid process protract, depress.
General anatomy muscle definition types attachments architecture muscle supply tendons group action. For instance the quadriceps muscle group will extend the knee and flex the hip. Spinous processes of vertebrae except c1, 24 bones above origin. Muscle anatomy insertion origin free pdf file sharing. What is meant by the origin and insertion of muscles. Define the term synergist as it relates to muscle action. Dec 26, 2018 for convenience we say that the muscle section attached to the stationary bone is called the origin, and the point of muscle attachment on the moving bone is called the insertion. Whats the difference between a muscles origin and insertion. The origin of a muscle is the point at which a muscle is attached to a fixed bone, while the insertion of a muscle is the point at which a muscle is attached to a bone moved by that muscle. Muscle origin insertion nerve action sartorius anterior superior iliac spine upper medial surface of shaft of tibia femoral nerve anterior division flexes, abducts, laterally rotates thigh at hip joint flexes and. Muscle nameorigininsertionaction chandler physical therapy.
Muscles, action, origin, insertion, intervation study guide. Muscle origin, insertion and action table elbow anatomical. Many muscles are attached to bones at either end via tendons. What are the points of origin and insertion for the latissimus dorsi muscle. It is the only muscle of the group which crosses the hip joint and is a powerful knee extensor when the hip is extended but is weak when the hip is flexed. Middle fiberselevation, upward rotation, and adduction of the scapula. The muscle origin often describes the more proximal attachment point of the muscle, while the muscle insertion point refers to the distal attachment. For convenience we say that the muscle section attached to the stationary bone is called the origin, and the point of muscle attachment on the moving bone is called the insertion. Anterior compartment of the thigh, medial comp, posterior comp, gluteal muscle, leg ant, leg post, leg lateral. The points at which the tendons are attached to the bone are known as the origin and the insertion. Muscles stabilizing pectoral girdle muscles of the upper limb. The origin of the muscle has more mass while the insertion of the muscle has less mass.
Psoas major and minor lower borders of transverse processes l1l5, sides of the bodies of the last thoracic vertebrae t12, the lumbar vertebrae l1l5, intervertebral fibrocartilages, base of the sacrum. Origin, insertion, action the originofthe muscle is the stable part ofthe. Muscles of the lower limb iliacus part of iliopsoas origin. Forearm muscles are divided into two compartment anterior compartment posterior compartment anterior compartment of forearm muscles anterior compartment is split into three categories superficial intermediate deep anterior superficial compartment muscle flexor carpi ulnaris flexor carpi radialis palmaris longus pronator teres anterior intermediate compartment muscle flexor. In the table below muscles are grouped by their location superficial to deep, medial to lateral and superior to inferior and function. Print muscles origin, insertion, main action flashcards. Action draws lower lip and angle of mouth downward in expressions of horror or surprise. Its short fibers descend inferiorly to insert to the skin of the chin, at the level of mentolabial sulcus. The terms origin and insertion provide us with useful points of reference. Difference between origin and insertion compare the. Outer half of the upper border of the patella and the patellar ligament and the anterior tuberoscity of the tibia action. Orient to skeleton 1 vertebra in midline 2 ribs attach to vertebrae.
Origin lateral surfaces of lateral pterygoid plate. Dec 14, 2016 this feature is not available right now. All muscles with action, origin, insertion, entertain, and a example on a model slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The genioglossus muscle originates from the back part of the symphysis menti. All voluntary muscles have an origin and insertion. Study 67 muscle origin, insertion, action flashcards from tiff n. Learn muscle origin insertion action with free interactive flashcards. Next to each muscle, youll find its origin s, insertion s, innervations and functions. Attachment points of the biceps brachii shown in figure 105 help provide. Nov 08, 2018 mass is another difference between origin and insertion of muscles. Muscles ofthe human body 331 introduction muscles can be groupedinto anatomical regions such as muscles ofthe head, arm or torso.
Apr 16, 2020 origin and insertion obturator internus originates within the pelvic region where it forms part of the anterolateral wall of the true pelvis. Four muscles in the anterior compartment of the leg. Pdf name origin insertion action nerve paul campbell. Muscle actions skeletal muscles almost always act in groups rather than singly. Online quiz to learn muscle origin, insertion, and action 1 free. Muscles of the upper limb muscle origin insertion action innervation artery notes abductor digiti minimi hand pisiform base of the proximal phalanx of the 5th digit on its ulnar side abducts the 5th digit deep branch of the ulnar nerve ulnar a. Remember the muscle s origin insertion phrase with a mnemonic origin insertion phrase. The origin and insertion when a muscle contracts, only one bone moves leaving the other stationary. Muscle origin, insertion and action table free download as excel spreadsheet. Page 1 of 12 muscle name origin insertion action innervation muscles of upper extremity pectoralis major medial half of clavicle, front of sternum, costal filename.
Skeletal muscle exterior environment smooth muscle interior environment in the processes. Muscles, origins, insertions, and actions flashcards by. Aug 23, 2018 the rectus femoris muscle is part of the quadriceps muscle group. Muscles can also be functionally related, for example, muscles that act on the thigh or muscles thatflex the hand. Given that muscles make movement happen, each muscle will create a certain movement around a joint. Mentalis muscle originates from the incisive fossa of mandible. Action depression in wide opening of the mouth, protraction, and lateral and medial excursion of the mandible.
A standard anatomy book would state that the muscle originates on the supraspinatus fossa and inserts on the upper facet of the greater tubercle of the humerus. Consider the origin and insertion phrase of supraspinatus. Study flashcards on origins, insertions, and actions of the head and neck muscles at. The origin indicates the place on your skeletal structure where a muscle is anchored. Muscle actionsorigininsertioninnervation kinesiology. Origins, insertions, and actions of the head and neck muscles. Next to each muscle, youll find its origins, insertions, innervations and functions. Muscle actionsorigininsertioninnervation kinesiology 233. Plantar sole of the foot aspect of the base of the distal furthest phalange of the big toe.
The insertion is the place where it attaches to the skeletal part that does move. The origin of the muscle does not move during contraction while the insertion of muscle moves towards the origin during contraction. Muscle origin, insertion, and action 1 learn by taking a quiz. The origin of a muscle is the location of the body where the muscle begins or starts. This muscle also supports the longitudinal arch of the foot. Leg muscles are divided into three compartment anterior compartments of the leg lateral compartment of the leg posterior compartment of the leg anterior compartment of the leg four muscles in the anterior compartment of the leg tibialis anterior extensor digitorum longus extensor hallucis longus fibularis tertius anterior compartment of the leg muscles acts.
Understanding the functional relationship of these attachment points during muscle contraction helps in deducing muscle actions. Study muscles, origins, insertions, and actions flashcards at proprofs these flashcards is to help study for a test on. Nov 09, 2018 whats the difference between a muscle s origin and insertion. Print muscle s origin, insertion, main action flashcards and study them anytime, anywhere. Forearm muscles are divided into two compartment anterior compartment posterior compartment anterior compartment of forearm muscles anterior compartment is split into three categories superficial intermediate deep anterior superficial compartment muscle flexor carpi ulnaris flexor carpi radialis palmaris longus pronator teres anterior intermediate compartment muscle. What is the difference between origin and insertion pediaa. Aug, 2012 the key difference between origin and insertion is that origin is the bone attachment at the stationary end of the muscle while insertion is the bone attachment to the mobile end of the muscle. Muscle origin, insertion, and action list charts 83 muscles that act on scapula to move shoulder action origin insertion levator scapulae elevates and retracts scapula as in bringing shoulder up and in toward ear c1 to c4 medial border of scapula, superior to spine rhomboideus major retracts scapula as in pulling. Muscles moving thigh anterior muscles of the lower limb. However, when used separately, each muscle can move the head in a lateral motion ipsilateral, same side of the body with the angle depending on points of origin and insertion.
Lying superficially in the leg, this muscle is easily palpable lateral to the anterior border of tibia. Lateral half of the linguinal ligaments, iliac crest, cartilage of lower 6 ribs, thoracolumbar fascia. Origins, insertions, actions and innervations explained. An example is the bicep, which originates at the scapula and inserts at the radial tuberocity on the radius. In this article, we shall look at the anatomy of the muscles of mastication their attachments, actions and innervation. Origin, insertion, primary action secondary action, description, innervation, blood supply. Aug 23, 2018 it is called hallucis as the word hallux means great or big toe in latin. The tables on the following pages detail the origin, insertion and action of some of the major muscles in the body.
Muscle origin insertion action innervation artery notes. As a result, most movements are produced by the coordinated action of several muscles. Muscles of the abdominal region listed alphabetically. Thus, they are innervated by a branch of the trigeminal nerve cn v, the mandibular nerve. A muscular tissue mainly comprises of all the contractile tissues of the body including skeletal, cardiac, and smooth muscles. Leg muscles are divided into three compartmentanterior compartments of the leg lateral compartment of the leg posterior compartment of the leg. Muscles of the hip joint muscle origin insertion innervation action 1. These muscles act to change the number of chest cavities when breathing. Muscle name origin insertion action innervation muscles of upper extremity pectoralis major medial half of clavicle, front of sternum, costal cartilage crest of greater tubercle lateral lip of bicipital groove horizontally adduct, medially rotate at shoulder medical and lateral pectoral. Origin, insertion, and action of muscles quiz proprofs quiz.
It arises from the bony boundaries of the obturator foramen, including the inferior ramus of the pubis, the ischial ramus, the pelvic surface of the hip bone and the upper part of the greater sciatic. Although origin and insertion are convenient terms, they do not always provide the necessary information to understand the full functional potential of muscle action. Canine muscle origins, insertions, actions and nerve innervations. Choose from 500 different sets of muscle origin insertion action flashcards on quizlet. In our cheat sheets, youll find the origin s and insertion s of every muscle. Hip muscles origin, insertion, action and exercises. Groin strains are common injuries to the adductor muscles, which occur without a thorough warmup or in individuals with chronically tight or weak adductor muscles. Apr 15, 2020 tibialis anterior is a fusiform muscle found in the anterior part of the leg. Muscle nameorigininsertionaction chandler physical. Adductor longus is the middle of the three short adductor muscles. Upper fiberselevation of scapula, extension and rotation of the head and neck. Canine muscle origins, insertions, actions and nerve. If you continue browsing the site, you agree to the use of cookies on this website. Tuber coxa,sacrum, sacrotuberal ligament equidaetrochanter tertius carnivorestrochanter major.
What does muscle origin, insertion, and action mean. Print muscles origin, insertion, main action flashcards and study them anytime, anywhere. Keep in mind that origin and insertion are relative terms, and can be reversed depending on the action involved. The body has more than 500 muscles that are responsible for all types of movements.
442 1349 1637 95 405 13 694 596 265 1434 1122 1145 349 9 38 1104 482 1139 913 288 518 302 341 987 624 513 1574 1313 985 305 752 975 1109 168 59 559 1416 995 1080