Major muscles in the body
What are the three largest muscles in the body?
There are three types of muscles in the human body: cardiac, smooth and skeletal. Cardiac muscle makes up the wall of the heart and is responsible for the forceful contraction of the heart. Smooth muscles make up the walls of the intestine, the uterus, blood vessels, and internal muscles of the eye.
What are the biggest muscles in the human body?
The gluteus maximus is the biggest muscle in the human body, by volume. The gluteal muscle group -- commonly known as the glutes -- includes 3 muscles located at the back of each hip. The glutes are the major components of each buttock.
What are the three major types of muscles in the body?
The 3 types of muscle tissue are cardiac, smooth, and skeletal. Cardiac muscle cells are located in the walls of the heart, appear striated, and are under involuntary control.
What are the three main muscles in your body?
You have three different types of muscles in your body: smooth muscle, cardiac (say: KAR-dee-ak) muscle, and skeletal (say: SKEL-uh-tul) muscle. Smooth muscles — sometimes also called involuntary muscles — are usually in sheets, or layers, with one layer of muscle behind the other.
[PDF File]Muscles - Cabarrus County Schools
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1. There are over 1,000 muscles in your body. -False. There are over 600 muscles in the body. 2. Skeletal, or voluntary, muscles are the muscles you can control. True. You can control your skeletal muscles to walk, run, pick up things, play an instrument, throw a baseball, kick a soccer ball, push a lawnmower, or ride a bicycle 3.
[PDF File]Human Body Systems
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Major components: 1. Skeletal Muscle- Voluntary muscles that attach to bone for movement. 2. Smooth Muscle- Involuntary muscle found in major body systems that pushes contents through organs. (Ex. Stomach, blood vessels, etc.) 3. Cardiac Muscle-Involuntary muscle of the heart and circulatory system that allows heart to pump blood.
[PDF File]Muscle Name Origin Insertion Action Innervation Muscles of ...
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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 2-5 Coracoid process Protract, depress, medially rotate
[PDF File]MUSCULAR SYSTEM Introduction – Functions and basic …
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contraction. The skeletal muscles are continually making fine adjustments that hold the body in stationary positions. The tendons of many muscles extend over joints and in this way contribute to joint stability. This is particularly evident in the knee and shoulder joints, where muscle tendons are a major factor in stabilizing the joint.
[PDF File]NAME ORIGIN INSERTION ACTION NERVE
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• pulls body upward & forward with arms fixed overhead Thoracodorsal Deltoid 58 lateral 3rd of clavicle, acromion & spine of scapula deltoid tuberosity of humerus • agonist of arm abduction with all fi-bers, antagonist of pectoralis major & latissimus dorsi • flexes & medially rotates humerus with anterior fibers, synergist of ...
[PDF File]the Muscular System
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by conscious thought. The numerous skeletal muscles found throughout the body are responsible for movement, maintain - ing our body posture, and heat generation. Figure 7–2 shows some of the major skeletal muscles found in the human body. Skeletal Mu Scle Skeletal muscles are attached to bones and provide move-ment for your body.
[PDF File]ANATOMY OF THE MUSCULAR SYSTEM
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There are more than 600 skeletal muscles in the body. Collectively, they constitute 40% to 50% of our body weight. And, together with the scaffolding provided by the skeleton, muscles also determine the form and contours of our body. Contraction of individual muscle cells is ultimately re-sponsible for purposeful movement. In Chapter 11 the phys-
[PDF File]THE MUSCULAR SYSTEM
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The typical male body contains approximately 640 muscles, which compose around two-fifths of its weight. The same number in a female body make up a slightly smaller proportion. A typical muscle spans a joint and tapers at each end into a fibrous …
[PDF File]List of Muscles and Actions - Fairfield University
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Rhomboid major Fixator of scapula Rhomboid minor Fixator of scapula Muscles of the Thorax and Shoulder That Move the Humerus Muscle Action Pectoralis major Adducts and medially rotates arm. Latissimus dorsi Extends, adducts and medially rotates arm. Deltoid Abducts arm.
[PDF File]List of Muscles and Function
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Shoulder Girdle Muscles Trapezius Flat sheet of muscle on upper back. Four muscles Origin: Occipital bone, ligamentum nuchae, C7-T12 spinous processes Insertion: Outer clavicle, spine & acromion of scapula Action: Elevation, Depression, Adduction & Up. Rot. of Scap. Pectoralis Minor Small anterior, upper chest deep to pec major
[DOC File]Major Superficial Muscles of the Body
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Introduction- 650 muscles in body (40% body weight) Functions: A. Voluntary movement including speech and breathing. B. In addition to external motion of the arms and legs, the muscular system also moves things inside the body( Internal motion includes the movement of the digestive system, the cardiovascular system, and the respiratory system)
[DOCX File]Anatomy and Physiology - Muscles
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_____ 6. With age, our skeletal muscles decrease in mass; this leads to a decrease in body _5_ and in muscle _6_. Muscle tissue _____ 7. that is lost is replaced by noncontractile _7_ tissue. 10. Complete the following chart on the major muscles of the body and their actions.
[DOC File]Muscular System 9 – 10
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_____ 6. With age, our skeletal muscles decrease in mass; this leads to a decrease in body _5_ and in muscle _6_. Muscle tissue _____ 7. that is lost is replaced by noncontractile _7_ tissue. 10. Complete the following chart on the major muscles of the body and their actions.
[DOC File]Major Muscle Groups (Shane, Rob, Brandon, Nick L
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The pectoralis major and deltoid muscles act synergistically to ___ the humerus. The term for chewing is ___. Three muscles involved in the chewing process are the ___, ___, and ___ (#13, 14, 15) A sheet-like tendon that connects large areas of tendon to muscle is an. The tendon that inserts the gastrocnemius into the heel bone is the. 15.
Chart of Major Muscles on the Front of the Body with Labels
Title: Major Superficial Muscles of the Body Author: MPS Last modified by: MPS Created Date: 1/5/2009 6:57:00 PM Company: Mesa Public Schools Other titles
[DOC File]Muscular System 9 – 10
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Major Muscle Groups. Kindergarten: Students will learn that the muscles help move and shape their body. 1st Grade: Students will know two major muscles that help their body move (Triceps and biceps). They will understand the concept that the bicep flexes the arm and the triceps extends the arm.
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