1 The glenohumeral joint is the main joint of the shoulder. 2  It is where the rounded top part of the arm bone, the humeral head or ball, meets the socket (glenoid) of the shoulder blade. 3  This joint is referred to as a ball and socket joint in terms of its shape and function.
Despite the narrow sidewalks, itâs an attractive, human-scale pattern with many individual buildings, side-by-side, forming a staccato streetwall. By contrast, the mid-rise buildings going up today tend to be on much larger, wider lots.
design specification. Essential qualitative and quantitative characteristic that set criteria (such as performance requirements, dimensions, weight, reliability, ruggedness) to be satisfied in designing a component, device, product, or system. See also design parameters and performance specification.