It is derived from shoulder clod (item2307) and it is located at the same anatomic region with similar limits and skeletal references. The difference from shoulder clod is that the present cut does not include the muscle infraspinatus. The skeletal components: It is compound by the scapula and scapular cartilage, humerus, ulna and proximal epiphysis of the radius. Muscular component: Muscles trapezius, deltoideus, latissimus dorsi, triceps brachii (long head, lateral head and medial head), anconeus internus, anconeus externs, teres major and tensor de la fasciae antebrachii.