I have stains on my hand without any reason before this I have stains on my private part too. Is it a thing to worry about?

Question

1.wrist flexion and extension
place your forearm on a table on a rolled-up towel for padding with your hand hanging off the edge of the table, palm down.
? move the hand upward until you feel a gentle stretch.
? return to the starting position.
? repeat the same motions with the elbow bent at your side, palm facing up.
2.wristsupinatuon and pronation? stand or sit with your arm at your side with the elbow bent to 90 degrees, palm facing down.
? rotate your forearm, so that your palm faces up and then down.
3.wrist ulnar and radial deviation
? support your forearm on a table on a rolled-up towel for padding or on your knee, thumb upward.
? move the wrist up and down through its full range of motion.
4.thumb flexion and extenion
? begin with your thumb positioned outward.
? move the thumb across the palm and back to the starting position.
5. Hand/finger tendon glide
? start with the fingers extended straight out.
? make a hook fist; return to a straight hand.
? make a full fist; return to a straight hand.
? make a straight fist; return to a straight hand.
#forearm squeeze
use a pair of forearm grips or another object that you can squeeze, such as a tennis ball or a sock.
Extend and then flex your fingers to squeeze the item.
Hold for 3 to 5 seconds and then relax your grip for a few seconds.
Continue for 10 to 15 minutes.
Do this 2 to 3 times per day.

Julie Mercy J David · Accepted Answer

1.wrist flexion and extension
place your forearm on a table on a rolled-up towel for padding with your hand hanging off the edge of the table, palm down.
? move the hand upward until you feel a gentle stretch.
? return to the starting position.
? repeat the same motions with the elbow bent at your side, palm facing up.
2.wristsupinatuon and pronation? stand or sit with your arm at your side with the elbow bent to 90 degrees, palm facing down.
? rotate your forearm, so that your palm faces up and then down.
3.wrist ulnar and radial deviation
? support your forearm on a table on a rolled-up towel for padding or on your knee, thumb upward.
? move the wrist up and down through its full range of motion.
4.thumb flexion and extenion
? begin with your thumb positioned outward.
? move the thumb across the palm and back to the starting position.
5. Hand/finger tendon glide
? start with the fingers extended straight out.
? make a hook fist; return to a straight hand.
? make a full fist; return to a straight hand.
? make a straight fist; return to a straight hand.
#forearm squeeze
use a pair of forearm grips or another object that you can squeeze, such as a tennis ball or a sock.
Extend and then flex your fingers to squeeze the item.
Hold for 3 to 5 seconds and then relax your grip for a few seconds.
Continue for 10 to 15 minutes.
Do this 2 to 3 times per day.