Jock itch (tinea cruris) is a fungus, the same one that causes athlete's foot and scalp ringworm. The groin area is the perfect place for the fungi to grow and cause a fungal infection because it is moist, warm and dark.
The camshaft lift is the resultant net rise of the valve from its seat. The farther the valve rises from its seat the more airflow can be provided, which is generally more beneficial. Greater lift has some limitations.
the valve train components. Maximum lift isn't the sole contributor to ramp speeds, however. The overall silhouette of the lobe is the key. The camshaft is the heart of an engine, and it influences all the other factors of your engine design. When building a motor, cams are almost always chosen first (sometimes second when you are dealing with an engine