Muscles of the body and their functions pdf

As children learn how muscles and bones help them move, how teeth and tongue help them digest their food or how the blood helps keep the body warm and protected from invading harmful organisms, they develop an appreciation of the body and of the scienti. In this article, we will present a brief overview of the back muscles, listing their origin and. Broadly considered, human musclelike the muscles of all vertebratesis often divided into striated muscle, smooth muscle, and cardiac muscle. All of these muscles have different functions in the face. It contracts concentrically to produce the desired movement. Shoulder girdle muscles trapezius flat sheet of muscle on upper back.

Nevertheless, the exact number is difficult to define because different sources group muscles differently, e. There are over 650 skeletal muscles in the human body but very few qualify as major muscle groups. Muscle origin insertion action innervation artery notes. A prime mover agonist is the main muscle responsible for producing a specific movement of the body. Nearly all movements in the body are the result of muscle contraction. You control some of your muscles and others, like your heart, do their jobs without you thinking about them at all. The 650 muscles in the body not only support movement controlling walking, talking, sitting, standing, eating and other daily functions that people. Muscles are considered the only tissue in the body that has the ability to contract and move the other body parts. Dividing your body in to major muscle groups is a great way to build workouts and exercises in this article you will discover the best way to do so with sample exercises and workouts. Contraction of individual muscle cells is ultimately responsible for purposeful movement.

The muscular system is an organ system consisting of skeletal, smooth and cardiac muscles. The human body is made up of more than 600 muscles that allow for movement. Structure and function of the musculoskeletal system. Collectively, they constitute 40% to 50% of our body weight. The main muscle group of the chest is the pectorals. Superficial and deep posterior muscles of upper body.

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. Muscles of the abdominal region listed alphabetically. Produces heat that helps body maintain constant temperature. 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. There are more than 600 skeletal muscles in the body. You can see many of these muscle groups superficially, or from the outside, while others you cannot, as. The back plays a major role in how the entire body functions. List of skeletal muscles of the human body wikipedia.

Identify the major muscles associated with the main joints of the human body and. Muscles can also be functionally related, for example, muscles that act on the thigh or muscles thatflex the hand. You have over 30 facial muscles which create looks like surprise, happiness, sadness, and frowning. Muscles of the body for health professionals course online. I skeletal muscles are arranged in overlapping intricate layers. Almost every muscle constitutes one part of a pair of identical bilateral muscles, found on both sides, resulting in approximately 320 pairs of muscles, as presented in this article. Muscles, where attached to bones or internal organs and blood vessels, are responsible for movement. Heart and blood vessels the major function of muscle tissue is contractionthe ability to shorten and thus cause movement in the body, and relaxationthe ability to lengthen again and thus be ready to contract again.

They provide the force by contracting actively with the expenditure of energy. Aside from the types, muscles are also named by their shape, location, numberamount and functionsmovement. Occipital bone, ligamentum nuchae, c7t12 spinous processes insertion. Start studying functions of muscles of the human body. Muscular system introduction functions and basic types of. When it comes to training, only the major muscle groups are usually taken into consideration. The muscular system creates body heat and also moves. I 600 skeletal muscles, which enables the human body to move and stand erect. In this article you will discover the best way to do so with sample exercises and workouts. Selected human muscles with their functions quizlet. Functions of muscles of the human body flashcards quizlet.

It permits movement of the body, maintains posture and circulates blood throughout the body. Muscles of the thoracic region listed alphabetically. Smooth muscle tissue found in blood vessels and various body organs produces involuntary movement essential for normal function. The temporalis begins on two bones of the skull, at the. Muscles of the body for health professionals course. Muscle name origin insertion action innervation muscles of. In addition to structural and movementrelated functions, the muscular system helps maintain normal body temperature 4. Superficial and deep anterior muscles of upper body. These muscles help you do almost everythingfrom pumping blood throughout your body to lifting your heavy backpack. The muscular systems in vertebrates are controlled through the nervous system although some muscles such as the cardiac muscle can be completely autonomous.

Their main characteristic is their ability to contract. Muscles ofthe human body 331 introduction muscles can be groupedinto anatomical regions such as muscles ofthe head, arm or torso. Functions of muscles muscles serve specific functions in moving and positioning the body. For your reference value these charts show the major superficial and deep muscles of the human body. In the current study, we used several different null models with differ. One misconception is that any part of the human body exists in a static state. Dividing your body in to major muscle groups is a great way to build workouts and exercises.

Body of pubis medial lip of linea aspera flex, adduct and medially rotate hip obturator adductor brevis. Actually everything in the body is in a constant state of movement and change. Origin, insertion, action the originofthe muscle is the stable part ofthe. Skeletal muscles are responsible for all voluntary movements of body parts. Pectoralis minor small anterior, upper chest deep to pec major. Broadly considered, human musclelike the muscles of all vertebratesis often divided into striated muscle or skeletal muscle, smooth muscle, and cardiac muscle. Muscles of the human body actions, attachments, and locations, and nerve supply. Be able to identify actions for all of the above muscles be able to also list the attachments origin and insertion for bolded muscles attachments are listed below principle skeletal muscles thoracic muscles rectus abdominus origin. We should warn you that there are two serious misconceptions that you may get from this book. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Maintenance of normal physiological equilibrium of body. One of the ways that the body can control the strength of each muscle is by determining how many motor units to activate for a given function.

This is a table of skeletal muscles of the human anatomy there are around 640 skeletal. The muscles of the body and their functions healthy living. Despite their similar names, teres major has different actions and innervation from the teres minor. Muscles moving thigh anterior muscles of the lower limb. The muscular system pdf class videos for anatomy and.

Skeletal system 206 bones, cartilage, tendons, and ligaments. The major muscle groups of the body and their functions. Scientists estimate they may move more than 100,000 times a day. Name the four major tissue types and their subcategories. The masseter runs from the temporal bone that forms part of the sides and base of the skull to the lower jaw the mandible. Human muscle system, the muscles of the human body that work the skeletal system, that are under voluntary control, and that are concerned with movement, posture, and balance. By virtue of its attachments to the vertebral column, the back integrates the activity of the lower limbs, upper limbs, spine and pelvis the muscles of this region can be easily divided into two major groups. Heart and blood vessels the major function of muscle tissue is contraction the ability to shorten and thus cause movement in the body, and relaxation the ability to lengthen again and thus be ready to contract again. And, together with the scaffolding provided by the skeleton, muscles also determine the form and contours of our body. Muscles that need a lot of strength to perform their functionlike leg or arm muscleshave many muscle cells in each motor unit. Aside from the types, muscles are also named by their shape, location, numberamount and functions movement.

The primer mover does most of the work expending most of the energy required. These muscles of the face can be grouped in different categories, depending on their position. Thyroid gland basically releases two hormones triiodothyronine t3 and thyroxine t4, which helps in controlling the. To achieve these benefits, it is important to know the body s five 5 major muscle groups. There are more than 600 skeletal muscles, and they makes up about 40 percent of a persons body weight. These activities will help your students understand and appreciate the work of their bones, muscles, and joints.

Identify the principal appendicular muscles of the body, plus their origins, insertions, actions, and innervation, and compare the major functional. A welldeveloped chest is very important because it will add major size to your inner upper body. This is a table of skeletal muscles of the human anatomy there are around 640 skeletal muscles within the typical human body. Major muscles are the largest muscle groups in the body and are largely responsible for all our body movements. Have students use the organ cards to see if they can match the organ with function. Selected human muscles with their functions flashcards. Innervated by the cranial nerve, which is the facial nerve, the muscles control all of our facial expressions. The integrated action of joints, bones, and skeletal muscles produces obvious movements such as walking and running. Muscles of the lower limb iliacus part of iliopsoas origin. Its mainly responsible for the medial rotation of the arm and. Cardiac muscle occurs only in the wall of the heart, enabling its pumping action. The largest muscle in the body is the gluteus maximus muscle in the buttocks. Integumentary system skin, hair, sweat glands, and nails covers and protects the body helps maintain body temperature eliminates wastes through perspiration 2.