The Human Body and its Movement explain how humans can move. This topic is from the chapter Locomotion and Movement of class 11 in Biology. It describes how the muscles, bones, and joints act together for a walk, run, and bend. This article is helpful for exams such as NEET and AIIMS BSc Nursing since it is the basic concept of how organisms move about and interact with their environment.
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Movement is an essential property of all living organisms; it enables survival, interaction, and functioning. Biologically, movement can be described as the process whereby any part of the body, or the whole body, changes position, influenced by powerful muscle contractions through the action of the nervous system.
The human body is amazing and can move in so many ways. So here are some key points about how our body moves:
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Joints are joining points for bones that form articulations moving in different ways styled by their construction and situating
It allows rotational movement to occur in the shoulder and hip joints.
Allows the movement involving one plane, under the elbow and knee joints.
Allows rotational movement around a single axis. The atlantoaxial joint that occurs in the neck.
Allows bones to slide past one another, found in wrist and ankle joints.
Allows for angular movements similar to a hinge, but with more extremes; found in the thumb joint (carpometacarpal joint).
Diagram: Types Of Joints
Many types of disorders can affect movement, thus decreasing quality of life.
Parkinson's Disease: The Brain cannot adequately control movement.
Arthritis: Inflammation of joints, causing pain and stiffness.
Muscle Dystrophy: A group of diseases causing progressive muscle weakness.
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Ribs and Rib Cage | Vertebral Column |
List of 206 Bones in Body | Pectoral Girdle |
Axial Skeleton System | Appendicular Skeleton System |
Skeletal, smooth and cardiac muscle movements are expressed in the human body, each significant for variable functions and integrated by the nervous system.
Flexion decreases the angle between two body parts, such as bending the elbow, while extension increases it, straightening the arm.
The nervous system coordinates movement by sending signals from the brain to muscles via nerves to raise precise and coordinated actions.
Movement disorders include Parkinson's disease, arthritis, and muscular dystrophy. All of these diseases are related to different aspects of muscular and joint functionality.
Ball and socket, hinge, pivot, gliding, and saddle joints provide connections between bones and give way to a variety of movements, thereby offering mobility and flexibility.
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