Ulnar Nerve Palsy. Your ulnar nerve runs from your shoulder to your little finger. If you experience damage to the ulnar nerve that causes sensation loss, this is known as ulnar nerve palsy. The condition can affect your ability to make fine movements and can cause your hand to appear claw-like.Surgery can correct ulnar nerve palsy, if needed.lnar Nerve Palsy. Your ulnar nerve runs from your shoulder to your little finger. If you experience damage to the ulnar nerve that causes sensation loss, this is known as ulnar nerve palsy. The condition can affect your ability to make fine movements and can cause your hand to appear claw-like.
Psoriasis is a common skin condition that can cause a scaly, itchy, red rash to form along the scalp, elbows, and joints. Seborrheic eczema is a type of eczema that most often affects the scalp and causes redness, scaly patches, and dandruff. It can also occur on the ears, mouth, or nose.
An arm rash can have a variety of causes, and it may indicate something occurring around the arm itself or suggest a systemic (body-wide) condition. Contact dermatitis (skin inflammation) is caused by an adverse reaction to something that touches the skin, including chemicals found in detergent, soap or a fragrance.For example, you may develop a rash on your arm when you wear a shirt that was washed with a particular detergent or treated with a chemical.Metal, such as jewelry, can also cause arm rash.or example, you may develop a rash on your arm when you wear a shirt that was washed with a particular detergent or treated with a chemical. Metal, such as jewelry, can also cause arm rash.