末梢神経系
alternative therapy
body care
cable
closeup
cramp
elbow
elbow pain
electrical equipment
electrical impulse
electricity
electro stimulation
electrode
electrolysis
equipment
female
healthcare and medicine
human hand
human muscle
human nervous system
human skin
image created 1910s
injury
joint
medical occupation
medical procedure
pain
patient
people
physical therapy
sports injury
tennis elbow
tens
tens electrodes
the human body
therapy
two people
women
young women