The human movement system involves cooperation between bones, muscles and joints to produce body movement.
Component
The following are several important components of the human movement system:
- Bones: Bones form the framework of the human body and provide structure and support. Apart from that, bones also act as a place to attach muscles and protect vital organs. Bones provide a framework for the body and protect vital organs. Bones also play a role in the production of red blood cells and store minerals such as calcium and phosphorus. Examples of bones in humans include the skull, spine, ribs and pelvis.
- Muscles: Muscles are tissues that can contract and allow body movement. It is an elastic tissue that can shorten or lengthen when it receives nerve impulses sent by the central nervous system. There are two main types of muscles in the human movement system, namely skeletal muscles (muscles attached to bones) and smooth muscles (muscles found in internal organs). Skeletal muscles are closely related to bones and work together to produce body movement.
- Joints: Joints are the meeting place between two bones that allow movement. Body movements are made possible by collaboration between primary moving muscles and stabilizing muscles. When muscles contract, they pull on tendons attached to bones, producing articulatory (joint) movement. There are various types of joints in the human body, such as hinge joints (such as the elbow joint), ball joints (such as the shoulder joint), and crank joints (such as the wrist joint). Joints allow flexibility of movement and protect bones and joint surfaces.
- Nervous system: The nervous system is responsible for controlling body movements. Nerve signals are sent from the brain to the muscles via motor nerves, which trigger muscle contractions and enable movement. The nervous system also helps in coordinating movements and maintaining balance.
Function
The human movement system has several main functions, namely:
- Mechanical function: The human movement system plays a role in providing the body structure and framework necessary to support and protect vital organs. Bones and muscles work together as functional units that help in body movement and maintaining balance.
- Protective function: The bones of the skull protect the brain from physical injury. The spine protects the spinal cord, which is an important part of the central nervous system. Additionally, the rib cage protects the heart and lungs, while the pelvis protects the reproductive organs and urinary tract.
- Movement function: The movement system allows the human body to carry out various movements such as walking, running, reaching and lifting objects. These movements are made possible by muscle contraction and relaxation controlled by the nervous system.
- Blood formation function: Bone marrow in the human body is where the production of blood cells occurs, including red blood cells which carry oxygen throughout the body and white blood cells which fight infection.
- Metabolic support function: The movement system also functions as a store of minerals such as calcium and phosphorus in the bones. When the body needs these minerals, the bones will release these minerals into the blood for use by the body.
- Balance and posture function: The movement system helps maintain body balance when standing and moving. Postural muscles such as the muscles around the spine help maintain good posture and prevent posture disorders.
Overall, the human movement system is a complex and important system in carrying out the vital functions of the human body.
Example
Some examples of body movements include walking, running, pushing, pulling, and lifting objects. The movement system also helps maintain body balance and posture and carry out reflex reactions in certain situations.
Apart from that, the movement system also has additional components such as ligaments that connect joints, synovial membranes that produce lubricating fluid in the joints, and cartilage that lines the ends of bones to reduce friction between the bones.
Overall, the human movement system is important for body mobility, maintaining balance and posture, and protecting internal organs.
The human movement system involves cooperation between bones, muscles, joints and the nervous system. Each part has an important role in producing coordinated and efficient body movements.