ARMS
HANDS
Cold hands
Hot hands
Stomach-Yin deficiency with Empty-Heat
Hot palms, five-palm heat, dull or burning epigastric pain, a feeling of heat in the afternoon, constipation (dry stools), dry mouth and throat especially in the afternoon, thirst with a desire to drink in small sips, a feeling of hunger but no desire to eat, a slight feeling of fullness after eating, night sweating, five-palm heat, bleeding gums, Red tongue (or Red centre only) without coating in the centre, Floating-Empty and Rapid pulse.
Sweaty palms
Pain in the hands
Stomach-Yang deficiency
Dull ache in the hands, cold hands (and often feet), discomfort or dull pain in the epigastrium, better after eating and with pressure or massage, no appetite, preference for warm drinks and foods, vomiting of clear fluid, absence of thirst, cold and weak limbs, tiredness, pale complexion, Pale and wet tongue, Deep-Weak pulse.
Itchy hands
Numbness/tingling of the hands
Tremor of the hands
Oedema of the hands
Observation, Chapter 18; Interrogation, Chapter 39; Symptoms and Signs, Chapters 64, 68
Deformed knuckles
Chronic Painful Obstruction Syndrome with Phlegm and Blood stasis
Deformed knuckles, severe pain in the fingers, dark complexion, rigidity of the finger joints.
Dry, cracked and peeling palms
Venules on the thenar eminence
Full-Heat
Reddish venules on the thenar eminence, hot hands, red hands, thirst, a feeling of heat, red face.
Other symptoms and signs depend on which organ is involved, which may be the Stomach or Lungs.
Empty-Heat
Other symptoms and signs depend on which organ is involved, which may be the Stomach or Lungs.
Atrophy of the muscles of the dorsum of the hands
Kidney-Yin deficiency
Atrophy of the muscles of the dorsum of the hand, dizziness, tinnitus, hardness of hearing, poor memory, night sweating, dry mouth and throat at night, lower backache, constipation, scanty dark urine, tiredness, normal-coloured tongue without coating, Floating-Empty pulse.
FINGERS
Swollen fingers
Contraction of the fingers
Liver-Wind 
Unilateral contraction of the fingers, unilateral numbness/tingling of a hand, tremors, severe dizziness, tinnitus, headache, tics, Stiff, Deviated or Moving tongue, Wiry pulse.
Cold-Dampness
Contraction and swelling of the fingers, numbness, a feeling of heaviness, cold hands.
Spoon-shaped fingers
NAILS
Indented nails
Liver-Blood deficient and dry 

This is often seen in chronic skin diseases such as eczema and psoriasis.
Thin and brittle nails
Phlegm in the joints
Thin and brittle nails, dry nails, swollen and painful joints, joint deformities.
Withered and brittle nails
Liver-Blood stasis
Withered and brittle nails, purple nails and lips, hypochondrial/abdominal pain, painful periods, dark and clotted menstrual blood, masses in the abdomen, purple or dark complexion, Purple tongue, Wiry or Firm pulse.
Withered and thickened nails
Bluish-greenish nails
Liver-Blood deficiency with internal Cold
Bluish nails, dry nails, pale and cold hands, dizziness, blurred vision, floaters, numbness/tingling of limbs, scanty menstruation, dull-pale complexion, a feeling of cold, Pale tongue, Choppy or Fine pulse and Slow pulse.