Hamstrings

robklancs
robklancs Posts: 498
This is kind of a response to ruths topic, but i need a question answering so started a new topic.

I have always played football, at a very high level but stopped playing alltogether 3 years ago.
Last summer i started to cycle more frequently, over 2000 mile befor july 07. In august 07 i started back at the football.
This season has seen me pull my hamstring 3 times, an injury that had never occured befor whilst playing football.
My question, Is it cyclings fault?
Have my quads become too strong for my hamstrings and the muscle contraction is producing too much force at the quad forcing my hamstring to die rather than work?