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.
The stern of a boat is the rearmost portion of the boat or ship.  The stern usually has a tiller or other steering device that helps  the boat turn, The stern might also havâ¦e the motor of the boat if  the boat has an outboard motor. By tilting this motor from one side  to another it helps the boat turn.