hi there just have a question recently i find its hard to breathe and also find my ribs hurt im only 24 male what could this be .... i used to be active everyday until i had to get knee surgery now i have not played sports or been active for about 6 mts .... it hurts to take deep breathes also and to lye down on my back .... also tristing my body doesnt help ... i have not had any impacts to my ribs or nothing like that any info would help