A carpenter before power tools were invented would tend toward the burly side, methinks, and not much resemble the rather willowy traditional representations.
Not necessarily. Poor nutrition, constant fasting, tremendous self disipline.
We don't know if this is the image of Christ, but all images of Christ dipected for centuries have been referenced to the Shroud.
Perhaps. Coulda been one of those tough wiry squirts...
The Greek language Bible describes Joseph as a "builder". European translators used the word carpenter. There were few wooden homes in ancient Israel, so it is much more likely that he was a stone mason. Just a bit of info.