Erector spinae (back muscles)

Continuing our back anatomy theme, let's dive down through the layers of muscles of the back to the erector spinae group. Music by Ryan Little    / ther4c2010     / iamryanlittle   Get my Daily Anatomy question mobile app: For a random human anatomy question every day on your phone you can get my Daily Anatomy question app from the Apple App Store: https://itunes.apple.com/gb/app/daily... or Google Play Store: https://play.google.com/store/apps/de...