How might the body control the strength of leg muscle contractions when lifting a heavy object?
A. increase the frequency of action potentials sent to the leg muscles
B. increase the number of thick & thin filaments during contraction
C. stimulate more motor units to contribute to the muscle contraction
D. both A and C
E. both A and B
Best answer:
Answer by zebot25
D. both A and C
Both increasing the frequency of action potentials and stimulating more motor units contribute to increased strength. The body DOES NOT increase the number of thin and thick filaments.
What do you think? Answer below!
Pick Color & Size for 1 Nice Thin Strap Full Body Shaper Firm Control Slim v15
 | US $28.95 End Date: Wednesday Feb-22-2012 15:21:33 PST Buy It Now for only: US $28.95 Buy it now | Add to watch list |
Pick Color & Size for 1 Nice Thin Strap Full Body Shaper Firm Control Slim v15
| US $28.95 End Date: Wednesday Feb-22-2012 15:21:33 PST Buy It Now for only: US $28.95 Buy it now | Add to watch list |
Related posts:
- Heat flows from a hot body to a colder one.Explain how heat undergoes transformation during muscle contraction
- My Body Transformation – Muscle Building
- Is there such thing as Male and Female after the transformation of the body after death?
- Weight Loss or Gaining Muscle Diets Depend on what your Somato Type (Body Type) by Tuan Tran
- How does the body Control temperature?
It is D. You can’t control the amounts of thick and thin filaments, unless you take a type of muscle relaxant or tightening pill. The action potentials are one way to control your leg strength. If you use more motor units, your muscle can expand or contract a lot easier. So your answer is D.