During eccentric muscle contraction, the muscle a. gets longer as it contracts b. gets shorter as it contracts c. moves isometrically d. does not change length

“d” is the answer to the question

If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other.