DATA Table 1 Condition Interval mm Maxmm (approximate) (mV) Fingers resting on t

Question

DATA Table 1 Condition Interval mm Maxmm (approximate) (mV) Fingers resting on table Hand cocked back Fingers rosting on table Hand cocked back Fingers rosting on weight-overhand Hand cocked back with weight Fingers resting on weight-overhand Hand cocked back with weight Fingers loosely gripping weight-underhand Hand flexed upward with weight 0.08 5-10s - 10-15s 15-20s 0-5 s 5-10 s 10-15s 15-20s -0.al - 9.00 0.09 0-5 s 5-10s - | |-?? o.ool LOI 10-15 s Fingers loosely gripping weight-underhand Hand flexed upward with weight DATA ANALYSIS 1. Reviewi strength of muscle contraction and the amplitude of electrical activity generated? What do the results in Table 1 show about the relationship between hand position and muscle activity when lifting an object? 2. What advice would you give to a friend with tennis elbow about how she should lift a frying pan onto the stove or a can of paint onto a work bench? 3. 15-5 Human Physiology with Vernier

Explanation / Answer

1.After reviewing the data the conclusion I found is that as the strength of muscle contraction got increased so does the amplitude of electrical activity generated .Means they are directly proportional to each other.More electrical activity is required to generate a more muscle contraction.

2.The results depict that the way of lifting objects matters a lot.Underhand lifting is easier than overhand lifting as it generates a lower amplitude of electrical activity and less muscle contraction occurs.

3.I will advice him to lift frying pan or can of paint underhand because he is having tennis elbow.underhand lifting will not strain his elbow as overhand will.

Thanks

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