If "strength" meant tensile strength, this would not be an article, let alone a paper. The fact that fishing line can be applied this simply to create a "muscl

If "strength" meant tensile strength, this would not be an article, let alone a paper. The fact that fishing line can be applied this simply to create a "muscle" that forcefully contracts (that's what they mean by "strength" here) - then this is certainly both surprising and remarkable.