Handgrip strength and upper limb functional performance measures in people over 18 years old: Analysis of relationships and influencing factors.

Background: Handgrip strength is a common, simple, and inexpensive method to measure muscle strength. On the other hand, the functional performance measurement involves a usual task which implies repeating elements between the individuals' interaction and the environment. This is fundamental for projecting their results to daily life situation.

The Trail Making Test (part B) is associated with working memory: A concurrent validity study.

The Test Making Test (TMT) was originally created as a distributed attention test. Part B (TMT-B) has been proposed as representative of executive functions as effective problem solving and working memory. This study aimed to explore the validity of the TMT-B as an indicator of working memory in adults.