The adjective SUBJECTIVE has 2 senses: 1. taking place within the mind and modified by individual bias. 2. of a mental act performed entirely within the mind. Familiarity information: SUBJECTIVE used as an adjective is rare.
Unsourced material may be challenged and removed. (July 2014) (Learn how and when to remove this template message) A kneeboard is a board ridden in a kneeling stance. Kneeboards are ridden in ocean surf, or while being towed behind a boat on a lake or river.
Overlying the knee joint is the patella or kneecap, which helps protect the knee joint and increases the efficiency of the quadriceps muscle group on the front of the thigh. Within the knee joint is articular cartilage, which helps absorb shock and decrease friction between moving bones.