Spam (food) Spam (stylized SPAM) is a brand of canned precooked meat made by Hormel Foods Corporation. It was first introduced in 1937 and gained popularity worldwide after its use during World War II. By 2003, Spam was sold in 41 countries on six continents and trademarked in over 100 countries (except in Middle East and North Africa).
Subacromial (SA) impingement is defined as the mechanical compression of subacromial structures between the coraco-acromial arch and the humerus during active elevation of the arm above shoulder height.
All rights reserved. The shoulder is one of the largest and most complex joints in the body. The shoulder joint is formed where the humerus (upper arm bone) fits into the scapula (shoulder blade), like a ball and socket. Other important bones in the shoulder include: 1  The acromion is a bony projection off the scapula. 2  The clavicle (collarbone) meets the acromion in the acromioclavicular joint.