ed073 said:Forcing your colon out your [censored]?? WTF??
Read this ...
Dont tell me you never saw that picture of powerliftings mass rupture... OUCH!
KNEE INJURIES
Knee pain secondary to weight lifting is often caused by an overuse injury involving the patellofemoral joint, or the quadriceps or patellar tendons. However, tears to the menisci may also occur. Patellofemoral pain syndrome may or may not include chondromalacia. Ligamentous problems are rare except when caused by trauma during Olympic weight lifting.
One study(65) found that former elite weight lifters had a 31% incidence of osteoarthritis of the knee as compared with former runners who had only a 14% increased incidence of osteoarthritis of the knee. The patellofemoral joint was the most common location. One should keep in mind that Olympic lifts require ballistically dropping into a very deep squat, to the point where the hamstrings rest against the calves. Such extreme squatting positions result in very high meniscal compressive forces and patellofemoral contact forces. Also, competitive lifters often lift maximal weights. Elastic knee wraps are frequently worn while performing squats and other heavy leg exercises with the intention of protecting the knee joint. Such wraps may increase the friction between the patella and the underlying cartilage, thus increasing the risk of knee injury.(9,40)
Some general rules of thumb for athletes with patellofemoral pain are:
- Do not perform squats through a painful range of motion(often in the midrange).
- Do not perform lunges or squats with the knees caving inward (keep the knees over the toes).
- Focus on the last 10' to 15' of knee extension when performing knee extension exercises.
- Take care not to press the kneecaps into the bench when performing leg curls (or any prone position of exercise). In other words, move toward the foot of the bench so that the patellae are not compressed while the knees are extended.
If the weight lifter has had damage to the anterior cruciate ligament it is important to:
- Avoid knee extension exercises (especially from 70' of flexion to full extension).
- Substitute seated knee extensions with closed chain exercises such as partial squats and leg presses.
- Focus on hamstring development (adds some dynamic support).
This author has seen the greatest number of knee injuries occur as the result of hack squats. However, regular squats, leg presses, knee extensions, lunges, step-ups, and leg curls may all play a role in overuse injuries. In particular, bouncing at the bottom of a squat has been implicated as a cause of patellar tendon strain due to the high eccentric forces generated during this technique.(9) One case report even documents a bilateral quadriceps tendon rupture that occurred while squatting.(23)
CONCLUSION
Weight training is a wonderful form of exercise when practiced sensibly and in moderation. Helping athletes and other patients to continue performing their strength training exercises by modifying their programs in an attempt to prevent injuries is a great benefit. We should consider the advice given by Hippocrates 2,400 years ago: "Exercise should be mild at first, gradually increasing, gently warming and not taking too much from the available strength . . . exercise should be as far as possible natural and there should be plenty of them; violent exercise should be sparingly used, and only when necessary."