Muscles attached to scapula: Levator scapulae origin is transverse processes of C1-C4‚ insertion at superior angle of scapula‚ it moves scapula and flexes neck. Pectoralis minor’s origin is ribs 3-5 and insertion at coracoid process of scapula‚ it depresses scapula and elevates ribs. Rhomboids Major and Rhomboids Minor’s origin at spinous processes T1-T4‚ insertion at medial border of scapula‚ they move scapula. Serratus anterior’s origin is at ribs 1-9‚ insertion is at medial border of scapula
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Discuss the relationship between distribution of muscle fibre type and performance. How might exercise training modify or change a person’s fibre-type distribution? There are four different types of muscle fibres: type 1‚ type 2a‚ type 2x‚ and type 2c. “A single skeletal muscle contains fibres having different speeds of shortening and ability to generate maximal force: type 1 (slow-twitch) fibres and type 2 (fast-twitch) fibres. Type 1 fies take approximately 110 ms to reach peak tension when
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a broad term used to indicate the existence of pain in the lower back Member of the structural support‚ movement‚ protection of certain body tissues. Causes: Shackles The muscles and ligaments in the back can be stretched or torn due to over-activity. Symptoms include pain and stiffness in the lower back‚ as well as muscle spasms. These symptoms tend to be relieved with rest and physical therapy. Disc Injury The discs in the back are prone to injury‚ and this risk increases with age. The exterior
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TMJ is a very unfortunate joint disorder‚ which can cause many different symptoms. TMJ technically stands for temporomandibular joint syndrome. It is also sometimes referred to as a disorder‚ rather than a syndrome. The joints specifically affected by TMJ are critical for your jaw to move‚ and also connect the lower jaw to the skull. While normal‚ everyday aches and pains are common‚ it is not normal to experience chronic pain and suffering. This usually means that there is an underlying problem
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shortly after birth through the development of secondary ossification centers. Intramembranous ossification forms membrane bone from fibrous connective tissue membranes‚ and results in the cranial bones and clavicles. ~Movements of Muscle~ 1) Flexion: bending a joint to decrease the angle between two bones or two body parts. Bending the elbow‚ or clenching a hand into a fist‚ are examples of flexion. When
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Bones in our body are living tissue. They have their own blood vessels and are made of living cells‚ which help them to grow and to repair themselves. Every single person has a skeleton made up of many bones. These bones give your body structure‚ let you move in many ways‚ protect your internal organs‚ and more. As well‚ proteins‚ minerals and vitamins make up the bone. Bones have several parts‚ but are manily made out of calcium deposits. It takes around 20 years for our bones to completely
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Please provide an example of Homeostasis and Negative Feedback in our environment. Be sure not to duplicate a classmates’ answer. 2. Identify some genetically engineered products currently available. Homeostasis is a point of balance or internal equilibrium. All kinds of systems — both living and non-living — can work to keep themselves in this state of balance‚ but the word "homeostasis" is most often used in biology‚ particularly to describe how the human body reacts to changes and keeps
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threatening‚ pharmacogenetic disorder characterized by hypermetabolic state of skeletal muscle induced by inhalation anesthetics like halothane‚ sevoflurane‚ desflurane and the depolarizing muscle relaxant agent like succinylcholine (Rosenberg et al‚ 2007). Clinical signs are; Increased end tidal CO2 production which is an early sign‚ tachycardia‚ tachypnea‚ trunk or total body rigidity‚ masseter (jaw) muscle rigidity after succinylcholine which occurs commonly in children‚ marked temperature elevation
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"The Politics of Muscle" by Gloria Steinem is an essay arguing the difference in strength between men and women. Steinem starts her essay by stating how she grew up in a generation where women didn’t participate in a lot‚ if any‚ sport activities. She goes on to say that she believes this is the reason why women of her generation believe that it’s not what the female body does‚ but how it looks. Steinem feels that women always seemed to be owned in some degree as the means of reproduction. She believes
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Classis heat stroke usually affects sedentary elderly individuals‚ chronically ill persons‚ and young persons. Exertional heat stroke occurs more often in younger‚ healthy individuals who actively in strenuous physical activities . Classic heat stroke caused by exposure to particularly hot environment for a long periods of time. Exertional heat stroke caused by an intense activity in a hot environment. The symptoms of heat stroke include high body temperature‚ mental changes‚ for instance confusion
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