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MOTION SYSTEM, NAMA: RIFDAH LARESA JODANI
NPM: 2208260258
SGD 24,…
MOTION SYSTEM
joints
types
articulatio genus
hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella
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definition
Joints are the parts that connect bones and help the body move. the physical point of connection between two bones. For example, the knee joint is the point of connection between the femur (femur) and tibia (shin bone).
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muscle
types
smooth muscle
These muscles line the insides of organs such as the bladder, stomach and intestines.
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skeletal muscle
part of the musculoskeletal system, work with your bones, tendons and ligaments.
features
All muscle cells share several properties: contractility, excitability, extensibility, and elasticity: Contractility is the ability of muscle cells to forcefully shorten.
divided functionally, is it under voluntary or involuntary control; and morphologically, striated or non-striated.
definition
Muscle is contractile tissue grouped into coordinated systems for greater efficiency. In humans the muscle systems are classified by gross appearance
structure
Each muscle is made up of groups of muscle fibers called fascicles surrounded by a connective tissue layer called perimysium. Multiple units of individual muscle fibers within each fascicle are surrounded by endomysium, a connective tissue sheath.
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bone ossification
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begins with a mesenchymal tissue precursor, but how it transforms into bone differs.
begins between the sixth and seventh weeks of embryonic development and continues until about age twenty-five; although this varies slightly based on the individual.
bone
structure
osteoblasts and osteocytes, responsible for creating bone
osteoclasts, or bone-resorbing cells
osteoid, a mix of collagen and other proteins
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membranes, including the endosteum and periosteum
classification
short
cuneiform, carpals, tarsals
flat
sternum, cranium, scapulae, ribs and hips
long
femur, humerus, ulna, radius
irregular
vertebra, spine, some bone of the skull
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bone re-modelling
protects the structural integrity of the skeletal system and metabolically contributes to the body's balance of calcium and phosphorus.
Remodeling entails the resorption of old or damaged bone, followed by the deposition of new bone material.
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