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 ...
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.
Animal muscular system
The main purpose of the muscular ... do ligaments. It is a major part of the body’s motion and bears the full stress of movement. Because of this horses are prone to tendon injuries. The ligaments connect bone to bone and hold the skeletal system together.
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 ...