The use of electrical stimulation ES to increase muscular strength
The use of electrical stimulation (ES) to increase muscular strength is discussed in the Journal of Orthopedic and Sports Physical Therapy. Seventeen healthy volunteers participated in the experiment. Muscular strength, Y, was measured as a torque in foot-pounds, and ES, X, was measured in mA (microamps).The equation for the line of best fit is given as Y = 1.8X = 28.7 and the Pearson correlation coefficient was 0.61.
a. Was the correlation coefficient significantly different from zero? Use a = 0.05
b. Predict the torque for a current equal to 50 mA.
Membership TRY NOW
  • Access to 800,000+ Textbook Solutions
  • Ask any question from 24/7 available
    Tutors
  • Live Video Consultation with Tutors
  • 50,000+ Answers by Tutors
OR
Relevant Tutors available to help