Problem: Article: Not everyone who gets a concussion will lose consciousness, but some people do. This is the most obvious sign that someone has a concussion. If the person has blacked out after a blow to the head, seek emergency medical treatment. Ask the person some basic questions such as, "What is your name?" and "Do you know where you are?" If their answers are delayed, slurred, don't make sense, or are hard to understand, they may have a concussion. If the person has a blank stare, seems confused, or doesn't know where they are, it could be a sign of a brain injury. If they seem dazed, don't remember what happened, or appear to have memory loss, they likely have a concussion. If someone vomits, especially repeatedly, after being hit in the head or involved in another type of accident, this usually indicates a concussion. If they haven't vomited, ask them if they feel nauseated or have an upset stomach, which may also be a sign of a concussion. People with concussions often have problems with their motor skills, such as being unable to walk in a straight line or catch a ball. If the person is having trouble with these things or has a delayed reaction time, they likely have a concussion. A headache that lasts more than a few minutes is a common sign of a concussion. Blurred vision, "seeing stars," and/or feelings of dizziness or fogginess may also indicate a concussion. If you suspect a concussion, the person should be carefully monitored for the next several hours. It's not a good idea to leave them alone, in case they end up needing emergency medical treatment. If possible, arrange for someone to stay with the person for at least a few hours after the incident and monitor their behavior.
Summary: Determine if the victim has lost consciousness. Watch for slurred or unclear speech. Find out if the victim is confused or doesn't remember what happened. Watch for nausea or vomiting. Look for impaired balance or coordination. Ask the victim if they have a headache, blurred vision, or feel dizzy. Watch the person carefully for 3-4 hours.

Problem: Article: Starting a few days after surgery, elevate the leg with the ACL injury above the level of your heart. Elevation will help reduce your swelling. Using pillows to elevate your leg is fine, but don't put the pillows directly under your knee; this can limit your range of motion. For the first few days or weeks after surgery, you may find that you need crutches in order to move around effectively. Don't push yourself too hard: use the crutches if you need them. Once your dressing is removed, you can shower, but do not immerse your knee until your doctor says it's okay to do so. Depending on your schedule and the kind of job you have, your time away from work or school will vary. In general, someone with a desk job may need only a couple of weeks off; people with more strenuous jobs will need months. Talk to your doctor about your specific circumstances, and make a plan. After surgery, you will likely have physical therapy (see below). For the first few months after surgery, do not do strenuous activity outside of this physical therapy. As always, check with your doctor about your particular circumstances and how much activity you can allow yourself. In general, you should not drive until you are no longer taking pain medication and no longer relying on crutches to get around. You should also have good control of your knee. Typically, this takes at least a week or two.
Summary: Elevate your leg. Use crutches. Stick to showering. Discuss your return to work or school with your doctor. Avoid strenuous activity outside of physical therapy. Use caution when beginning to drive again.

Problem: Article: The handstand is one of the most essential gymnastics skills. It forms the basis of many other gymnastics techniques, such as walkovers and handsprings. To learn to do a handstand, start by practicing against a wall. Stand with your back against a wall, then bend down and put your hands on the floor. Walk your feet up the wall behind you one at a time, then use your hands to walk yourself up to the wall until your stomach is flat against the wall. Hold this position for as long as you can. The tops of your feet should be flat against the wall, with your toes pointed at the ceiling. As you get comfortable doing the handstand against the wall, try kicking up to a handstand from a lunge and doing it unsupported. If you are uncomfortable, have a spotter help you. A cast is a basic skill on the bars. Once you learn how to do a cast, you can move on to more advanced techniques, such as a cast handstand. To do a cast, push yourself up on the bar with your arms straight and your legs and feet together. Keep your legs straight and your toes pointed, and tighten your core. Bring your hips up to the level of the bar. Practice swinging your body forward and your legs back a few times, then push up with your arms so that your whole body is briefly parallel to the floor. You may need to swing your legs forward and back several times before you can enter a full cast. Swing your legs at the hips, keeping your legs, arms, and torso straight and your hips resting against the bar. When you've completed the cast, let your hips fall back against the bar and swing your legs forward again. Splits are a key component of many gymnastics moves, including jumps and back walkovers. Side splits involve lowering yourself completely to the floor with one leg in front of you and the other one behind, while middle splits involve getting down on the floor with your legs out on either side of you. To work up to doing splits, do stretches that focus on building flexibility in your hamstrings and hips. Once you've mastered the splits, try doing split leaps, in which you enter a split position while jumping as high as you can off the ground. A roundoff is a move similar to a cartwheel and is a staple of many gymnastics routines. To do a roundoff, start in a lunge position with 1 knee forward and your arms lifted straight above your head with your palms forward. Lean forward with your torso and kick up with the leg in back, landing on your palms with your hands rotated inward (toward each other). Bring your legs together at the top of the roundoff, then push through so that you land facing toward the direction you started from. It's a good idea to perfect a basic cartwheel before you attempt a roundoff. You may associate this simple move with dancing more than gymnastics, but the turn is a staple of many beam and floor routines. To start a full (360) turn, put the foot you'll be turning on in a releve position (on the ball of your foot with the top of your foot parallel to your shin). Pull your other foot up to your ankle or knee, keeping your hips level and straight. Keeping your core tight and your shoulders straight, drive with your heel to swivel yourself around in a full turn. To stop the turn, twist your shoulder slightly in the opposite direction from the turn. Work your way up to doing a full turn by practicing a 90 turn until you get comfortable with it. Practice standing on 1 foot in the releve position until you can hold the pose comfortably for at least 10 seconds.
Summary:
Master the handstand. Learn how to cast. Work on doing side and middle splits. Try doing roundoffs. Practice the turn on 1 foot.