1. Discuss the relationship between distribution of muscle fiber type and performance. How might exercise training modify or change a person’s fiber-type distribution? Skeletal muscles contain multiple fiber types that are distinguished by their different myosin ATPase speed‚ and the development of their SR. The two main fiber types are type I and type II fibers. Type II fibers have a faster ATPase and a more developed SR than type I fibers. Type II fibers are also part of a larger motor unit‚
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Bone Cancer / Osteosarcoma The topic that I pick is Bone cancer. I pick bone cancer because I want to know more about bone cancer. One thing is it occurs in the bones and kills the bone tissue. Second thing is typically affects the long bones like arms and legs. Third thing is there were about 2‚800 cases of the cancer. Fourth thing is Osteoporosis is a weakening of the bones. The fifth thing is about the treatment is surgery‚ radiation‚ and chemotherapy or all of them at the same time. Bone
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Essentials of Anatomy and Physiology‚ 9e (Marieb) Chapter 5 The Skeletal System Short Answer Figure 5.1 Using Figure 5.1‚ identify the following: 1) Spongy bone is indicated by letter __________. Answer: A Diff: 1 Page Ref: 135-137 2) The area that causes the lengthwise growth of a long bone is indicated by letter __________. Answer: E Diff: 2 Page Ref: 135-137 3) The area that serves as a storage area for fat in adults is indicated by letter __________
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Unit 5 Reading Guide Questions Which minerals are stored in bones? Triglycerides‚ calcium phosphate‚ and calcium hydroxide are all stored in the bones as mineral salts Which types of bones provides a large‚ flat surface area for muscle attachment? Flat bones such as the scapulae have large‚ flat surface area for muscle attachment. Describe the location‚ composition‚ and function of the epiphyseal plate. The epiphyseal plate is located in the metaphysis‚ and is composed of hyaline cartilage
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------------------------------------------------- LIST OF MUSCLE INJURIES Properly functioning muscles perform only one duty‚ contraction. Muscles enable the body to sit‚ to move and to stand upright. They are attached by way of tendons to bones. Their contraction is controlled by electrical signals that can either be voluntary‚ such as when a person decides to stand up‚ or involuntary‚ as with the muscles that expand and contract the chest to control breathing. Muscles are made of thousands of muscle fibers. Knowing the types
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Cortical Bone Trajectory Screws for Middle Upper Thoracic: a Anatomico-Radiological Study Introduction Pedicle screw fixation system has been widely used in spinal surgery due to its biomechanical advantage in three-dimensional fixation and short-segment fixation. However‚ Complications such as screw loosening‚ pullout and broken‚ often lead to loss of surgical construct stability‚ particularly in patients with poor bone quality [1-4]. The cortical bone trajectory (CBT)[5] technique is a theoretical
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List of skin conditions Acne A common inflammatory disorder of the sebaceous (oil secreting) glands of the skin causing inflamed red pimples on the face and neck. Most people affected by acne are aged between 12 and 25. However‚ men and women in their 30s and 40s can also suffer. There are many treatments available to help deal with the condition. Alopecia Alopecia means sudden hair loss. There are many different causes and patterns of hair loss. Any area can be involved including eyebrows and
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Christopher Couchell Muscle Physiology Purpose: The Purpose of this exercise is to understand how muscle twitch‚ contract and react to different activities. Exercise 1: Muscle Twitch A. What is a muscle twitch? A muscle twitch is the fasciculation ‚ or "muscle twitch"‚ is a small‚ local‚ involuntary muscle contraction and relaxation visible under the skin. B. According to the graphs‚ which muscle has the fastest twitch? Why? The lateral rectus eye muscle has the fastest twitch. It
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Chemical Composition of Bone Bone is a very hard material which is capable of bearing a large amount of weight and resisting tension and twisting forces. Therefore‚ this material is both flexible and hard. The hardness of bone is due to calcium deposits in the matrix while the flexibility comes from the organic material of the matrix. We can illustrate these facts by treating two bone samples by two different methods: 1. Soaking a bone in vinegar (dilute acetic acid) removes calcium
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A&P I: Bone Tissue Study Packet This activity is optional and is meant to help you study. The purpose of this activity is to get you looking through your notes and thinking about the testable material. An answer key is not available‚ so please contact Dr. Greco if you have any issues. Feel free to send this packet to Dr. Greco for feedback. For question 1 & 2‚ what bone region is being identified?: 1.__Epipysis_______________________________ 2.__Diaphysis(shaft)_____________________________
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