Study of the Validity and Reliability of Two Digital Dynamometers in Older People

Inclusion Criteria: * Community-dwelling older adults of both sexes over 60 years of age. Exclusion Criteria: * Those who do not understand the orders given to them by the researcher or present an obvious advanced state of dementia. * Those people who have amputation in one of the two upper limbs or who cannot perform manual grasping for any reason. * Those who have had an episode of pain in one of the hands during the week prior to the measurement. * Those who, due to any illness, prevent or contraindicate maximum resistance exercises. * Any other cause that the research team assesses that may affect the results.