These verses give background information about the miracle that Jesus is about to perform by feeding four thousand people. (See: [[rc://en/ta/man/translate/writing-background]]).
Apparently some of these sick or crippled people were unable to stand up, so when their friends brought them to Jesus, they placed them on the ground in front of him. AT: "The crowds placed the sick people on the ground in front of Jesus"
These nominal adjectives can be stated as adjectives. AT: "the crippled persons ... the lame persons ... the blind persons" (See: [[rc://en/ta/man/translate/figs-nominaladj]])