by cj » Fri Sep 29, 2006 3:32 pm
(Oh yeah, I wouldn't stretch since it highly contraversial and is said to increase changes of injury, instead I would try shoulder strenghting excersises)[/quote]
Stretching is NOT controversial. I have heard a lot of personal trainers in reputable gyms even say this, it is a myth.
Ask ANY sports med Doctor, or physical therapist, etc.
This is what I do, trust me, stretching is one of the best things that you can do, but you should stretch after warming your muscles up with light intensity, short duration, cardiovascular exercises.
Yoga DOES NOT make your back more prone to injury, Having weak abdominal muscles makes your back prone to injury. The people who get injuries when they are doing yoga, get them because they didn't believe in stretching.
Females should stretch, and perform resistance training so that they can ward of the very high potential of osteoarthritis, osteporosis, and stretching is even good for rheumatoid arthritis.
As far as the actual muscles themselves go, the muscles are composed of tiny little contractile protiens calls Actinin, and Myosin. The actinin are covered by a webbing called troponin (the goal here is for the muscle to FLEX the myosin ((which looks has a suctions cup thing on the end of it)) must grab the Actinin, BUT the troponin ((the webbing)) is in the way, so what happens is.
The neuron (for short) sends a message up to the central nervous system letting it know that it is having a force placed on it, OR the central nervous system might have just sent a message to the neuron (depends on why the muscle needs to flex) and then the neuron releases acetylcholine which causes the muscles to go through a bunch of stuff, and then this triggers a release of calcium (bla bla bla) and the calcium binds to the troponin which causes it to move out of the way, so that the mysin head can grab onto the actinin (this is known as the sliding filament theory, but it is not a theory, it is a fact, they just call it a theory because there are still a couple questionable unknowns, but anyone who knows anything about medicine, physiology, kineseology etc. knows that everything is considered a theory, because there are always supposed unknowns.)
If you don't move this entire unit through the entire range of motion, it will start to develop a lack of enzyme, and serious ability not to oxidize, etc. There also will be compromises to the neuromuscular pathways, this is why lazy people tend to store a whole bunch of glycogin ni thier muscles, which turns to fat while they are laying around talking about how exercise is bad for you.
This is how the muscle works, there is NOTHING controversial about stretching, except that someone a long time ago probably said that there was, and now a handful of people believe it. Keep in mind, almost 99% of the stuff you see or hear about on TV, through muscle mags, etc. is B.S.
People are manipulating those who are not educated on the matter in order to make money. They have been doing it since the days of snake oil sales men.
I use to bench press well over 500 lbs. (I benched 620 in a sanctioned touch and go meet). I weighed 245 lbs, solid, and was insanely muscular. I all but quit lifting weights because I wanted to get back down to being smaller and get more into endurance and agility sports, which I did very well. I have been working out since I was 5 ( from the time I was 5-11 years old I studied martial arts, everyday, personally I wish I wouldn't have) then when I turned 11 I started lifting weights, it wasn't until last year when I went to work as a personal trainer that I realized, that I didn't know anything about working out. I knew how to do it, but I didn't know WHAT I was doing, and all the other trainers had 4 years degree's etc. so I started really studying it (I spent 4 hours yesterday reading the ACSM exercise prescription book, this is part of my daily routine) and then I realized that there are a lot of trainers out there, with 4 year degrees that STILL don't really know how it all works. We had this debate when I worked at Gold's Gym, is stretching good or bad, when should you do it, etc... It is all in black and white and prescribed to by all of the upstanding medical community. Stretching is AWSOME as long as you do not hyperextend your muscles, and it is better to warm the cardiovascular system up with a light, short duration warm up before stretching.
Sorry to be so passionate abou this, but I suggested that he do stretches and then you said that he shouldn't, and I really do know this stuff. Although I probably mispelled a lot of the terms.