Chest Stretches | Brighton Chiropractor Matt Bateman Shows you how stretch and open up your Pectoral Muscles including Pec major and Pec Minor

Tight Pec Muslces can cause postural issues but also be an effect of postural issues. Either way they need to be addressed by combining opening up the pecs with strengthening the antagonistic muscles in the back

But start here by stretching the Pec Muscles as shown