Joints and Body Movements Laszlo Vass‚ Ed.D. Version 42-0014-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent
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Anatomy & Physiology I Lecture 10: The Muscular System Prof. Magidah Alaudi‚ M.Sc. malaudi@gmail.com The Structural and Functional Organization of Muscles • About 600 human skeletal muscles • Constitute about half of our body weight • Three kinds of muscle tissue – Skeletal‚ cardiac‚ smooth • Specialized for one major purpose – Converting the chemical energy in ATP into the mechanical energy of motion; Contraction and Movement • Myology—the study of the muscular system The Functions of Muscles
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Distal biceps tendon ruptures remain a rare injury‚ but over the last decade the number of incidences has increased. However‚ it still only accounts for 3-10 % of all bicep tendon ruptures. Due to the rarity of injury‚ the diagnosis is often delayed leading to significant loss of elbow ROM and more importantly decreases in forearm supination and elbow flexion strength. Early detection and therapy of the distal biceps tendon is key for obtaining the best functional outcome for these patients. After
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Many surgeons prefer to use the patellar tendon while reconstructing the ACL because of its strength and speedy recovery time. It also is easy to make a graft from a patellar tendon because it’s easy to reach. When creating the graft the surgeon removes a portion from the middle of the patella tendon as well as parts of the bone where the patella connected into the tibia and patella. This bone is then used as an anchor
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equipment‚ and seeking medical attention when needed. The most common injuries related with tennis are rotator cuff tendinitis‚ tennis elbow‚ knee pain. Rotator cuff tendinitis is an inflammation of the tendon‚ usually results from numerous servings in tennis competitions. It consists of muscles and tendons that originate from the scapula
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an input signal. The monosynaptic myotatic stretch reflex is the most crucial reflex for the maintenance of the erect body posture in humans. For the well-known knee-jerk response‚ there is latency of around 30 ms between striking (stretching) the tendon of the quadriceps and the muscle contraction. The reflex involves a number of segments in the SC. Factors that contribute to this latency in the reflex arc are: 1- Speed of transduction at the sensory receptor. This is most rapid when the receptor
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10.1 OVERVIEW OF MUSCULAR TISSUE Types of muscular tissue There are 3 types of muscular tissue: skeletal‚ cardiac‚ & smooth. All 3 may share some things but they differ from one another in their microscopic anatomy‚ location‚ & how they are controlled by the nervous and endocrine systems Skeletal muscle tissue function of most is to move bones of the skeleton (are few that attach to other structures ex--the skin). Muscle tissue is striated b/c alternating light and dark protein bands (striations)
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Latin English diathroses Freely moving joints such as knuckles are called synarthrose Skull sutures and other immovable joints are called synovial fluid The lubricant in the joint cavity of a diarthrosis is called tendon sheath A long tubular bursa enclosing a tendon is called range of motion The maximum angle through which a joint can move is called resistance arm The part of a lever from the fulcrum to the resistance is called fulcrum ‚ effort In the elbow‚ a third-class lever‚ the ____
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is a surgical operation in which a ligament in the medial elbow is replaced with a tendon from elsewhere in the body (often from the forearm‚ hamstring‚ or foot of the patient).” B. To go in-depth‚ UCL Reconstruction or Tommy John Surgery is where a surgeon uses a tendon graft to replace the UCL‚ which is located is on the inside of the persons elbow. The tendon graft is used to replace the damaged or tore tendon in the elbow‚ usually coming from another part of the body where it is not necessary
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Page 193 NAME_________________________________ LAB TIME/DATE ________________________ EXERCISE R E V I E W S H E E T 14 Key: a. b. endomysium epimysium fascicle fiber myofibril myofilament perimysium sarcolemma sarcomere sarcoplasm tendon Microscopic Anatomy and Organization of Skeletal Muscle Skeletal Muscle Cells and Their Packaging into Muscles 1. Use the items in the key to correctly identify the structures described below. G C ____________ ________ I ____________ ________
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