In some cases, passing a drivers ed final exam can substitute for the written exam. No matter how the test is taken, students must pass with at least a 70% or higher, depending on that stateâs minimum. Once he or she passes, a teen driver will be issued a learners permit.
Learn how to protect your knees and reduce your risk of injury. The knee's vulnerability to injury depends on the strength of its neighboring muscles. A weak gluteus medius, or outer gluteal muscle, increases the chance of a knee injury by a factor of three. This muscle is critical for knee health, because it acts as a steering wheel for the entire leg.
In any case of prolonged pain or stiffness in the knee joint, a doctor should be consulted. Missed meniscal or cruciate ligament tears can lead to complete dislocation of the knee joint. Vascular damage from trauma or aneurysms can lead to ischemia and amputation if untreated.