This has never been a problem before, but I happened to work out my arms really hard since I'm taking all of next week off while I'm in Las Vegas. I decided to spank the monkey about half an hour after getting back, and about halfway through that happy process my left arm (yes, I'm righthanded but i use my left hand) completely cramped up. I spent the next five minutes flopping around on the floor (literally) trying not to scream out in agony and attract the attention of my sleeping parental units.

Actually, many guys experience erection and (possibly) ejaculation while working out. This is a completely normal thing to happen to a guy. It is because of the blood flow to the area can be altered by things like long situp routines and other ab crunchers that flush blood throughout your pelvic region.

It doesn't mean that you are gay, or are sexually excited by working out. Now, this does not mean that a pile of situps will make you ejaculate, as this only occurs in certain men. Many guys get embarrased about getting an erection at the gym or what not, but are curious as to what causes it.

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