Most of us have had backache at some time: a careless overstretch or a clumsy lift and “we feel something go”. “Feeling something go” is usually what a sudden muscle contraction feels like.
Read More...Most of us have had backache at some time: a careless overstretch or a clumsy lift and “we feel something go”. “Feeling something go” is usually what a sudden muscle contraction feels like.
Read More...