Studies conducted recently reveal an easy way for them to do this. Combined strength and stretching exercises may produce more improvements in strength than weight lifting by itself. BodyBasics E-Newsletter Vol. There are valid reasons for stress reactions that many people experience during the colder season. It may have a hormonal cause in that light may disturb the production of melatonin and cortisol, which affect the emotional state.
Light deprivation causes some people to feel lethargic, gloomy, and unfocused.
The best cure is sunlight, especially morning sunlight. You can make the muscles around the knee stronger with weight training. Strong quadriceps protect the kneecap and the front if the knee joint. Strong hamstrings help prevent ACL tears. Conditioning the inner and outer thighs progects the sides of the knee.