Anatomy 101 – Muscles
Usually the two ends of a skeletal muscle are attached to two different bones across a joint. The only thing a muscle can do is contract, and when it contracts (shortens) it brings the two bones closer together. This causes movement of the skeleton ...
How Muscle Fiber Recruitment Affects Running Performance
So what does this ... from our central nervous system. Our bodies have three different kinds of muscle. Cardiac muscle is found in our heart. Smooth muscle controls involuntary functions like digestion and blood pressure. And skeletal muscle moves our ...
Developing Nervous System Sculpted by Opposing Chemical Messengers
"Our study provides the first evidence in a living animal system that the neurotransmitters themselves are sculpturing the developing nervous ... forces work together to create the crucial synaptic connections between motor neurons and muscle cells ...
How does the cerebellum work?
How this organ might actually work is the subject of a review published ... and organelle throughout central and peripheral nervous systems, is what is the cerebellum actually supplying to the muscle? The femoral artery that feeds chemical power to our ...
Why Strength Work Isn’t Enough
How do muscle fibers work and how do ... messages from our central nervous system. This signal is transmitted from your brain to the muscles via the nerves. These nerves then fire specific muscle fibers (called motor units) together to move the leg forward.