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.
Hard chines provide edge control for carving and allow the boat to continue planing even when turned sideways or while spinning. However, sharp edges can catch easily and flip the boat instantly. While the general purpose of the chine is universal, there are as many styles of chines as there are styles of boats.