Regular periodic sub membranous arrays of vinculin in skeletal and cardiac muscle cells, these arrays link Z-discs to the sarcolemma and are associated with links to extracellular matrix. [ GOC:mtg_muscle http://www.ncbi.nlm.nih.gov/pubmed/6405378 https://www.worldcat.org/search?q=bn%3A0198506732 GOC:jl ]