Andrew Griffiths 14 December 2016 Swiss ball lat stretch Andrew Griffiths 14 December 2016 KEY COACHING POINTS:Shoulder blades pinned backHips highArms straightThumbs to the skyDescend by lowering your chest through your arms and embracing the stretch in your lats and chestHold the stretch for 1-2 seconds, then repeatMAIN MUSCLE - LATISSIMUS DORSI