Exercise 2: Skeletal Muscle Physiology: Activity 1: The Muscle Twitch and the Latent Period Lab Report Pre-lab Quiz Results You have not completed the Pre-lab Quiz. 03/21/15 page 1 Experiment Results Predict Question: Predict Question: Will changes to the stimulus voltage alter the duration of the latent period? Your answer : b. No‚ changing the stimulus voltage will not change the latent period duration. Stop & Think Questions: What is the period of time that elapses between the generation of
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I lay still sprawled on my back on the carpet floor‚ barely breathing or moving. NO! I wasn’t trying to commit suicide by asphyxiating. In the middle of my abdomen was a spasm that had contracted so much that the pain was almost unbearable. It was a good agonizing seven minutes before it finally subsided‚ leaving my abdominal muscles sore as never before. Outside the mercury rose in the sweltering Vietnamese heat as midday approached. I was in Vietnam participating in a Junior Ranking Tennis event
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Metabolic Superstorm 1. Fill in the chart below. Use “+” if the patient’s vital sign is higher than normal‚ “−” if the sign is lower than normal‚ or “x” if the sign is normal. If you need to‚ use your text or another resource to determine normal values. Vital Sign Increase/Decrease/Normal Respiration Rate + Heart Rate + Blood Pressure - Body Temperature + 2. If you were the doctors on the scene‚ what diagnosis would you give this patient? (You may
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LAB 9: Skeletal Muscle Physiology Electrical Stimulation 1. Complete the following statements by filling in your answers on the appropriate lines below. A motor unit consists of a ___1___ and all the ___2___ it innervates. Whole muscle contraction is a(n) ___3___ response. A ___4___ is the response of a muscle to a single‚ brief threshold stimulus. When the frequency of stimulation is so high that the muscle tracing shows fused peaks‚ ___5___ has been achieved. ___6___
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Lab 4: Skeletal Muscle Function Exercise 5: The Length-Tension Relationship Materials and Methods In this experiment I used a frog anesthetized with ms222. The frog’s skin is cut and removed from both the legs‚ the Achilles tendon is cut and the tendon and calf muscle are removed from the lower legs. The femur muscle is also cut. Attached to the legs are femur clamps which are connected to the transducer arm‚ stimulation electrodes are then positioned against the muscle. I plugged the output
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Journal Pt. 1 Dx. F/79 CVA with ® hem paresis on dominate side. LTG. Pt. to safely perform self care tasks and functional mobility with SBA. STG. 1. Pt. to improve (B) UE AROM and functional strength demonstrated by ® shoulder abd. 50%‚ ® shoulder flexion 45 degrees‚ ® elbow flexion 105 degrees‚ ® elbow extension -42 degrees. 2. Pt. to safely transfer to all functional surfaces with SBA. 3. Pt. to improve standing bal. to F+ 4. Pt. to perform UB
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HOW TO GAIN MUSCLES. Introduction. The assignment topic touches on a very important part of the human body a muscle. This is a soft tissue found on most animals and is made of cells that contain protein filaments of actin and myosin that slide past one another‚ producing a contraction that changes both the length and the shape of the cell. It function to produce force there location on the body or according to the functions and roles they play. They are the cardiac muscles (muscles covering the
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Skeletal muscle is a voluntary and striated muscle that attaches to the skeleton to allow control over posture and movement. Each skeletal muscle consists of bundles of muscles fibers called fascicles. These fascicles are composed of many individual muscle fibers or muscle cells that can be up to several millimeters long. These muscle fibers are composed of myofibrils‚ which are organized into thick filaments‚ myosin‚ and thin filaments‚ actin. These filaments are organized into repeating structures
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We have three types of muscles in our bodies‚ skeletal‚ smooth and cardiac. Each type of muscle performs different functions in our bodies. Some of the characteristics of our muscles are that they respond to stimuli‚ they are able to shorten in length‚ they stretch when they are pulled and they tend to return to their original shape after contracting or extending them. Muscle contractions occur when our nervous system sends a signal via the neuromuscular junctions the signal arrives at the end bulb
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Skeletal muscle moves because we want it to. It is controlled voluntarily (consciously). There is 2 types of contraction Isometric: As the muscle contracts‚ it remains the same length whilst the tension increases in an attempt to overcome the opposing force. Example: Holding a glass of water still in front of you. Isotonic: As the muscle contracts its length changes whilst the tension remains constant or develops to overcome the opposing force. Example: Lifting a glass of water to your mount and
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