Strum patterns are used when the ukulele is used as an accompaniment instrument. They consist of a fixed, repeating sequence of downstrokes, upstrokes and silent strokes to express rhythm and harmony of a piece.
Stuart Fuchs: Shuffle Strum (2018)
Stuart Fuchs: Shuffle and Straight (2018)
This variant of the Church Lick is popular in Bluegrass music (a Country music style). The G string is played with the thumb („boom“), followed by a downstroke and an upstroke („chicka“).
Brett McQueen: Learn the „Boom-Chicka“ Rhythm (2016)
Michael B. Lynch: How Do I Choose Which Strum To Use?
Brett McQueen: 5 Effective Strumming Patterns for Beginners
definityOrg: Intermediate Strum Patterns