Thanks, you've just profoundly increased my knowledge on the subject of strain gauges!
..however the nylon I am using is akin to heavy fishing line, about 1.5mm diam, so I can't place anything 'inside'. I would have to use something on the outside surface.
Any other ideas would be great...
Warning: I have a minor grasp of physics...
I am devising a study looking at the tension required in a surgical prosthesis (which is essentially a length of nylon with 80LB breaking strain) to produce stability between 2 bones.
The nylon will be placed in a simple loop between 2 structures and...