Posterior circumflex humeral artery(quadrangular space)Anterior circumflex humeral arteryProfunda brachii artery(triangular interval)Long head of triceps brachiiThoraco-acromial arterySubclaviusPectoralis minorSubscapular arterySubscapularisSuperior thoracic arteryLateral thoracic arteryCircumflex scapular branch(triangular space)Thoracodorsal arteryLatissimus dorsiTeres major