Knee bursae. Knee bursitis is inflammation of a bursa located near your knee joint. A bursa is a small fluid-filled, pad-like sac that reduces friction and cushions pressure points between your bones and the tendons and muscles near your joints. Each of your knees has 11 bursae.nee bursae. Knee bursitis is inflammation of a bursa located near your knee joint. A bursa is a small fluid-filled, pad-like sac that reduces friction and cushions pressure points between your bones and the tendons and muscles near your joints. Each of your knees has 11 bursae.
â¢ STRENUOUS (adjective). The adjective STRENUOUS has 2 senses: 1. characterized by or performed with much energy or force. 2. taxing to the utmost; testing powers of endurance. Familiarity information: STRENUOUS used as an adjective is rare.
Synonym Discussion of SPARING. sparing, frugal, thrifty, economical mean careful in the use of one's money or resources. sparing stresses abstention and restraint. frugal implies absence of luxury and simplicity of lifestyle.