White marks. Please help

[Betjam]

Hi, these are my 2 male spur-thighs.

Not sure if these marks mean there's something wrong with them so I'd like to check.

They have been out the in the garden, and we have a patio area (as well as plenty of grass) and I'm thinking maybe picture no.3 might be scratches from the hard terrain?

The pictures are numbered, for reference.

Thank you in advance

 

[wellington]

Well, if you are housing them together, it could be them ramming and possibly mounting each other. They should not be housed togethet.
The one pic, number 3, is likely scraping the ground, but could be from the other tort.
If they are not housed together then they are rubbing on something.
Again, if they are housed together get them separated asap.
Otherwise just keep an eye on the marked/scraped areas so they don't get worse and try to find what's causing the top ones specially and see if it can be fixed to not keep scraping them.
Keep in mind though, in the wild, they get scrapes all the time.