The first reaction time test is the reaction ruler. This test shows the speed of the occipital lobe and the motor cortex of the brain. The faster the reflex the faster the afferent and efferent pathway is. Subjects 1‚ 3 and 5 experienced reaction times that were under the average of 195.167 milliseconds. While Subjects 2‚ 4 and 6 experienced times that were over the average of the population. In general terms it could be said that subjects 1‚3 and 5 have better hand and eye coordination than subjects
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KIN 2500 -- MUSCLES O: origin I: insertion A: action N: Lever: rigid structure that moves around a fixed point fulcrum * Effort: causes the movement; force that is due to the muscular contraction; you only get motion when the effort that is applied at the insertion point exceeds the load * Load/Resistance: opposes that movement * 1st class levers: not very common; fulcrum is fixed between effort and load * 2nd class levers: standing on tip toes; fairly uncommon; the load is
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elbow participate in work or recreational activities that require repetitive and vigorous use of the forearm muscle. Most people who get tennis elbow are between the ages of 30 and 50‚ although
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The purpose of the lab conducted by the lab group was to figure out which parts of the human body had the most touch receptors. The proposed hypothesis stated that touch receptors would have a greater concentration if the specific body part has a function relating to the touch receptors. For instance‚ fingers and facial features should have the most and parts of the neck‚ hand‚ wrist‚ and ear should have less touch receptors than the other parts because the former have greater function that relates
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Cardiovascular System: Blood Vessels Laszlo Vass‚ Ed.D. Version 42-0008-01-01 Purpose Please explain the purpose of this lab. Include in your explanation the major concepts you learned and any safety concerns associated with the lab. Purpose is to understand how the veins and arteries run through the body and how they function while the heart beats‚ where they deliver and drain blood to/from and how the cardiovascular system works together. Lock up the dogs while dissecting. wear face
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t Actions * Flexion: decrease in joint angle from anatomical postion (bend elbow‚ flexing forearm) * Extension: return to anatomical position from flexion * Abduction: away from body * Adduction: return of body to anatomical position * Rotation: circular * Lateral: anterior surface to lateral side * Medial: anterior surface to medial side * Circumduction: conical shape * Protraction: horizontal movement in anterior direction (jaw forward) * Retraction:
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Briefly‚ Anatomically‚ the skin and muscles of the forearm ‚ hand and fingers are innervated by three major nerves‚ which are; the Median‚ the Radial and the Ulnar nerves. These nerves can be susceptible to injuries and compression at different locations on their paths as they innervate the skin and muscles of the forearm‚ hand and fingers. Having established that‚ the carpal tunnel is a relatively narrow passageway that is formed anteriorly by the flexor retinaculum and posteriorly by the carpal
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Hand | Forearm (inside) | Fore- head | Nose | Back of Neck | Shin | |1 probe |+ |+ |+ |+ |- |- |+ |- |- | |1 mm |+ |- |+ |+ |+ |- |+ |+ |- | |3 mm |+ |+ |+ |+ |- |+ |+ |+ |+ | |5 mm |+ |+ |+ |- |+ |+ |+ |+ |+ | |10 mm |+ |+ |+ |+ |- |- |+ |- |+ | |TOTALS |5 |4 |5 |4 |2 |2 |5 |3 |3 | |CLASS AVG |4.3 |4.0 |3.3 |2.8 |3.0 |2.9 |3.0 |3.0 |2.9 | | Conclusion: The most sensitive areas of my body were my fingertips‚ palm‚ and nose. The least sensitive areas of my body were my forearm and forehead
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The median nerve is responsible for the flexor muscles of the forearm (except the flexor carpi ulnaris and the medial half of the flexor digitorum profundus) and the muscles of the thenar compartment and lateral two lumbricals. It is commonly injured with a fracture of the supracondylar humerus. The median nerve roots
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Simple Machines Definitions: Machine- A device that makes work easier by changing the speed ‚ direction‚ or amount of a force. Simple Machine- A device that performs work with only one movement. Simple machines include lever‚ wheel and axle‚ inclined plane‚ screw‚ and wedge. Ideal Mechanical Advantage (IMA)- A machine in which work in equals work out; such a machine would be frictionless and a 100% efficient IMA= De/Dr Actual Mechanical Advantage (AMA)- It is pretty much the opposite of
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