Twitch Contraction And Summation

LABORATORY REPORT Activity: crush densifications and Summation Predictions effect role of Muscle Fiber Length on abridgment 1. As muscle character reference duration increases compressing force increases. put of Stimulation Frequency on muscle contraction 2. As the relative frequency of rousing increases, the force of contraction: decreases. Materials and Methods cadence of doorsill comment 1. Dependent variable quantity contraction force 2. Independent changeable rousing emf 3. Controlled unsettleds temperature; frequency of stimulation; muscle vulcanized fiber length imprint of Muscle Length on Contraction 1. Dependent inconstant contraction force 2. Independent multivariate muscle fiber length 3. Controlled Variables frequency of stimulation; stimulation voltage; temperature core of Stimulation Frequency on Contraction 1. Dependent Variable contraction force 2. Indepe ndent Variable frequency of stimulation 3. Controlled Variables stimulation voltage; temperature Results Table 4: Measurement of Threshold Stimulus Voltage (mV) 100 mV 200 mV 300 mV 400 mV 500 mV squelch (gf)(Motor neuron 1) 0 0 0 0.107 0.

107 ? accomplishment of Stimulation Value on Twitch Contraction wad aver the threshold stimulus and State how increasing voltage above threshold affects force development. The stimulus, measured in volts, causes depolarization in either the nerve or muscle fiber. If depolarization reaches threshold, the nerve or muscle fiber will turn in an action potentially thereby causing contraction. Table 5: M! uscle Length and Contraction Force Force( gf )( Muscle length (mm) Motor neuron 1) 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10 10.5 runnel 1 0.087 0.094 0.104 0.106 0.106 0.106 0.096 0.085 0.077 struggle 2 0.089 0.096 0.106 0.108 0.108 0.108 0.098 0.087 0.079 Trial 3 0.088 0.095 0.105 0.107 0.107 0.107 0.097 0.085 0.078 Averages 0.088 0.095 0.105 0.107 0.107 0.107 0.097 0.086 0.078...If you want to get a full essay, order it on our website: BestEssayCheap.com

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