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Definition
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Term
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Definition
| Mechanical principles that relate directly to the human body. |
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| Time, space, and mass aspects of a moving system. |
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| Standing upright, arms at side, palms facing forward. |
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| Standing upright, arms at side, palms facing sides. |
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| Linear Motion (translator) |
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Definition
| All parts of the object move the same distance, in the same direction, and at the same time. |
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| Movement occurs in a straight line. Type of linear motion. |
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| Movement occurs in a curved path. Type of linear motion. |
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Definition
| All the parts of the object move through the same angle, in the same direction and at the same time. They Do NOT move the same distance. |
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Definition
| Movement of bones around a joint axis. |
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| Functions of Skeletal System |
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Definition
*Rigid framework of human body.
*Gives support and shape.
*Protects vital organs.
*Assists in movement.
*Manufactures blood cells.
*Storage of calcium and other minerals. |
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Definition
| Upright part of body. Consists of 80 bones. Head, thorax and trunk. |
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Definition
| Attaches to the Axial skeleton. Consists of 126 bones. The extremities |
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Definition
*Hard, dense outer shell
*Completely covers bone
*Thick along the shaft
*Provides strength |
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| Cancellous Bone (structure) |
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Definition
*Porous and spongy
*Have trabeculae
*Filled with marrow
*Articular ends |
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Term
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Definition
| End of diaphysis, tends to be wider than shaft. |
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| Epiphyseal plate (Long bone) |
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Definition
| Part of Epiphysis in growing bones (not in mature bones). Where growth of bone occurs. Made up of cartilagious material. |
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Definition
| Main shaft of bone, made of mainly compact bone. |
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| Medullary Canal(Long bone) |
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Definition
| Hollow center of diaphysis, contains marrow and passage for nutrients. |
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Definition
| Both ends before epiphysis, flared, consists mainly of cancellous bone, supports epiphysis. |
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Definition
| Thin, fibrous membrane covering all the bone except articular surfaces. Serve as attachment for tendons and ligiments. Contain nerves and blood vessels. |
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| Have more equal dimensions of hight, length, and width. Articulate with more than 1 bone. |
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Definition
Have broad but not thick surface area, are slightly curved.
Ex. Scapula, Ileum, Skull |
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Have a variety of mixed shapes.
Ex. vertebrea |
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Definition
| Small bones located where tendons cross the ends of long bones in the extremities. Develope within the tendon and protectit from excessive wear. Ex. Petella. |
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| Holes, depressions, ridges, bumps, grooves and other markings on bones that serve various purposes such as attachments for muscles, tendons, and ligaments. |
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Definition
*Allows motion
*Provides stability
*Bares weight of body
*Contains synovial fluid-lubricates joint and nourishes the bone. |
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Term
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Definition
Fibrous joint, no motion, provides strength and shape, shape allows bones to interlock.
Ex; suture joints-skull |
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Term
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Definition
| Fibrous joint, fibrous tissue- ligiments, tendons and interocceous membranes. Small amount of twisting/ strecthing. |
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Definition
Fibrous joint, bolting togeather.
Ex. tooth in socket. |
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Definition
| Very stable, Allow small amount of motion- bending, twisting, and compression. |
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Definition
| Connects bones- sternocostal joints |
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Definition
| connects bones- discs (vertebral joints) |
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| Synovial Joints (Diarthrodial Joints) |
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Definition
*Allows free motion
*No direct union between bone ends
*cavity filled w/ synovial fluid
*outer line is strong fibrous tissue
*Synovial membrane (inner lining) produces fluid. |
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