Movement-Enhancement.pptx PDF

SUBTOPICS:  Head, shoulder knees, toes and a cup Skeletal System  Imagine humans without bones. What would they look On average, the human skeleton accounts for around 14% of an individual’s total body weight. This means that if you’re an adult male weighing 200 pounds (90 kg), y...

SUBTOPICS:  Head, shoulder knees, toes and a cup Skeletal System  Imagine humans without bones. What would they look On average, the human skeleton accounts for around 14% of an individual’s total body weight. This means that if you’re an adult male weighing 200 pounds (90 kg), your skeleton would likely weigh around 27.5 pounds (12.5 kg). Meanwhile, an adult female’s skeleton might weigh roughly 23 pounds (10.6 kg). Interestingly, bone mass typically reaches its maximum between the ages of 25 and 30, but this can be influenced by factors such as nutrition, physical activity, and overall health. The skeleton comprises around 270 bones at birth, which decreases to about 206 bones in adulthood due to the fusion of some bones. As you might imagine, the weight of a human skeleton can vary depending on factors like age, gender, and overall body mass.  Structure of Skeletal System Bones are composed of 2 types of tissue. Compact (cortical) bone Cancellous (trabecular or  Comapact Bone is a hard outer layer that is dense, strong, and durable. It makes up around 80% of adult bone mass and forms the outer layer of bone. Cancellous (trabecular or spongy) bone makes up the remaining 20% of bone and consists of a network of trabeculae, or rod- like, structures. It is lighter, less dense, and more flexible than compact bone. What if the cells in bone were gone? What Types of Bone  Flat bones protects internal organs such as the brain, heart, and pelvic organs. Flat bones are somewhat flattened, and can provide protection, like a shield; flat bones can also  Long bones support the weight of the body and facilitate movement. Long bones are mostly located in the appendicular skeleton and Short bones provide stability and some movement. The carpals in the wrist (scaphoid, lunate, triquetral, hamate, pisiform, capitate, trapezoid, and trapezium) and the tarsals in the ankles (calcaneus, talus, navicular, cuboid, lateral cuneiform, intermediate cuneiform, and medial  Sesamoid bones are bones embedded in tendons. These small, round bones are commonly found in the tendons of the hands, knees, and feet.  Irregular Bones vary in shape and structure and therefore do not fit into any other category (flat, short, long, or sesamoid). They often have a fairly complex shape, which helps protect internal The bones of the skeleton belong to two groups: Appendicular Axial skeletons.  Axial skeleton has less range of motion than the appendicular skeleton. It comprises the bones of the skull, vertebral column, and thoracic cage.  Appendicular comprises 126 bones, including those of the limbs, shoulders, and pelvic girdle. It make up the rest of the skeleton, and are so called because  Imagine that your bone fractures. How will you feel? And what are  Function of Skeletal System  How does having strong bones impact the performance of Athletes?  Helping you move: Your joints, connective tissue and muscles all work together to push and pull parts of your body every Giving your Body Shape: Your skeleton supports the weight of your body. It’s also the anchor for all the tissue that connects to it.  Protecting your organs: The human skeleton is like a built- in suit of armor for organs throughout your body. Your skull protects your brain, your ribs shield your heart and lungs, and the vertebrae in your spine Creating new blood cells: Bone marrow at the center of some of your bones produces new red blood cells and white blood cells your body needs to stay healthy.  Storing minerals: Your bones hold your body’s supply of important minerals like calcium and  M u s c u l a r System: Muscle Types and Functions  Muscular System muscular system is responsible moveme stability, for vital nt, and bodily functions. How do muscles work together with the skeletal system to produce movement? MUSCULAR SYSTEM  it permits movement of the body, maintains posture and circulate blood throughout the body function: body movement, produce body heat. The human body contains more than 600 muscles, including skeletal, cardiac, and smooth muscles. These muscles provide strength, balance, posture, movement, and heat to keep the body warm. T h r e e m a i n types o f muscle 3 TYPES OF MUSCLES Skeletal muscle: Creates movement and makes up about 40% of a person’s body weight. Cardiac muscle: Involuntary muscle that contracts the heart to pump blood. Smooth muscle: Forms the walls of hollow organs, respiratory passageways, and blood vessels. Joint Mechanics and Types of Movements Joint Classifi cation o f J o i n t Joints Special Movement