Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 21, Problem 2.2.5A
Complete the following:
Define dynamometry.
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Chapter 21 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 21 - What factors in addition to gender contribute to...Ch. 21 - Prob. 1.2.3ACh. 21 - What is meant by the term motor unit recruitment?Ch. 21 - Prob. 1.2.5ACh. 21 - Complete the following: Compare the strength of...Ch. 21 - Complete the following: Is there a difference in...Ch. 21 - Complete the following: Define muscle fatigue, and...Ch. 21 - Complete the following: Define dynamometry.
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- Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 0.55 mW. (a) If such a laser beam is projected onto a circular spot 0.9 mm in diameter, what is its intensity? I = 864.55 W 2 m (b) Find the peak magnetic field strength. Bo= T (c) Find the peak electric field strength. Eo = V marrow_forwardFrom the equation of a lineweaver-burke plot, calculate Km and Vmax. Show your work and include units. The equation is y=393.4x +8.4337arrow_forwardDefine the following parameters that can be assessed via isokinetic dynamometry (attempt to use your own words after reviewing data sheet): Peak Torque Time to peak torque Angle of peak torque Torque at 0.2 seconds Peak torque/body weight Total work Work fatigue (Fatigue Index) Average powerarrow_forward
- Write C if only statement A is correct, H if only statement B is correct, E if both statements are correct, M if both statements are incorrect. (A) For the Lineweaver-Burk plot, the slope of the line reflects the ratio between the maximum velocity and the Michaelis constant. (B) Meanwhile, the y-intercept is the maximum velocity.arrow_forwardWhat would be the best labels for both x and y axisarrow_forwardWhat is synergistic effect (medical definition)?arrow_forward
- The “mean-speed theorem” for calculating average velocity under constant acceleration, developed by Thomas Bradwardine and the Mertonian Calculators at Oxford University, is expressed algebraically as: density = weight/volume (m1)(v1) = (m2)(v2) C. (vm) = 1/2 (v0 + vf) s = (v0)(t) + 1/2 (a)(t2) velocity = distance/timearrow_forwardUsing the Michaelis-Mentan graph pictured (graphing initial velocity and PNPP concentration), identify Vmax and Km as well as possible. Then, using the Lineweaver-Burk graph (graphing 1/Vo and 1 / PNPP concentration), label the reciprocals of Vmax and Km on the graph and use them to calculate Km and Vmax.arrow_forward2. a) Label the system provided below, including the reference frame, moment arms and vector forces with the information provided. Internal moment arm = 4cm +0.04m External moment arm relative to the segment weight = 25cm 0.25m External moment arm relative to the load weight = 45cm 40.45m Segment weight = 50 N Load weight = 100 N Lower leg segment angle relative to horizontal plane = 45° Quadriceps tendon angle = 45° Axis of rotation MF SW LW 2b) Using the figure in 2a., calculate the external torque of the system relative to the normal component of segment and load weights listed above. 2c) Calculate the amount of both the tangential component of the muscle force and the muscle force itself required to keep this system in a state of static equilibrium.arrow_forward
- If a person has a vertical force of 10.25N with a nylon strap of a 2.5cm of width and length of 10cm in the trapezius muscle, how much time does the person need to feel pain in the muscle? How much time is needed to injure or damage the muscle? Must show every mathematical process.arrow_forwardWhich pharmaceutical products need specific gravity measurement? Mention three examplesarrow_forwardThe “mean-speed theorem” for finding average velocity under constant acceleration, proposed by the Oxford Calculators, and demonstrated geometrically by Nicole Oresme, is expressed algebraically as: density = weight/volume (m1)(v1) = (m2)(v2) (vm) = 1/2 (v0 + vf) s = (v0)(t) + 1/2 (a)(t2) velocity = distance/timearrow_forward
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