The shoulder is a ball and socket joint with a large range of movement. Such a mobile joint tends to be more susceptible to injury. Shoulder pain can stem from one or more of the following causes: Strains from overexertion.
The gunwale (/ËÉ¡ÊnÉl/) is the top edge of the side of a boat. Originally the gunwale was the gun ridge on a sailing warship. This represented the strengthening wale or structural band added to the design of the ship, at and above the level of a gun deck.
foredeck. DISPLACEMENT: The weigh t of water displaced by a float ing vessel, thus, a boat 's weigh t. DISPLACEMENT HULL: A type of hull that plows through the water, disp lacing a weigh t of water equal to its own weigh t, even when more power is added. DOCK: A protected water area in which vessel s are moored.