Hey Mimi,
What Eden said is true. Overtraining is very individual. Some people need more recovery time between hard workouts and some can just take a little more beating.
As for how much is too much, as a rule of thumb I recommend increasing training by 15 % per week and no more. If you do more than this in one week, you can probably get away with it. If you do it chronically things will start to breakdown. That 15 % refers to intensity as well as volume. So if I'm increasing my intensity by 15 % then I should keep my volume the same.
Being able to feel with your hands how a muscle is doing isn't that hard with practice. The way I describe it to people is that a muscle that is healthy and relaxed should feel like raw meat. As the muscle experiences more of the results from stress, it begins to feel more and more cooked. If it feels like an overdone porkchop, you're in trouble.
Here's a little cut and paste from:
http://jan.ucc.nau.edu/~pe/exs490web...scleRepair.htm
It explains a bit about what happens when a muscle is damaged. The part I copied is related specifically to exercise induced cellular damage. You shold note that some cellular damage is necessary during training to improve performance. If you aren't pushing beyond you current level, you will not improve. The key is to walk the line between not enough and too much.
Exercise-Induced Injury
• Exercise-induced injury comes from heavy forces, eccentric exercise, and unusual activity.
• Early studies showed elevated CK levels, indicating muscle damage
– But, plasma CK and degree of ex-induced muscle injury not well correlated
• Numerous studies to evaluate exercise-induced soreness, usually use eccentric activity
– Eccentric cycling
– Downhill walking or running
– “let-downs”
What Happens with E-I Injury?
• Actual damage to fibers – z-line streaming (see Fig. 6-19 in Lieber)
• Seen mostly in FG (Type II-x) fibers.
– Leads to supposition of fatigue properties of muscle
• Lower ability to generate ATP
• State of rigor develops (no ATP to dissociate cross bridges)
• Stiff fibers, more easily disrupted
• Inflammation process starts – leads to soreness
This might create more questions than answers. Let 'em fly. I'm on a rest week and have more time on my hands than usual.
Living life like there's no tomorrow.
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