Skeletal System Anatomical Postion Body Planes and Directions.
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Transcript of Skeletal System Anatomical Postion Body Planes and Directions.
![Page 1: Skeletal System Anatomical Postion Body Planes and Directions.](https://reader035.fdocuments.in/reader035/viewer/2022062421/56649e0c5503460f94af4c4c/html5/thumbnails/1.jpg)
Skeletal System
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Anatomical Postion
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Body Planes and Directions
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Skeletal SystemTerminology
• Osteo-Bone, frame work
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Skeletal SystemTerminology
• Osteo-Bone
• Myel/o- Bone marrow- creates bloods cells
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Skeletal SystemTerminology
• Osteo-Bone
• Myel/o- Bone marrow
• Arthr/o- Joints-makes motion possible
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Skeletal SystemTerminology
• Osteo-Bone
• Myel/o- Bone marrow
• Arthr/o- Joints-
• Chondr/o- Cartilage- creates smooth surface for joints and protects ends of bones
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Skeletal SystemTerminology
• Osteo-Bone• Myel/o- Bone marrow• Arthr/o- Joints• Chondr/o- Cartilage
• Burs/o- Bursae— fluid filled sack that cushions areas subjected to friction
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• 20 Little Known Facts About The Human Body• A human being loses an average of 40 to 100
strands of hair a day. • A cough releases an explosive charge of air that
moves at speeds up to 60 mph. • Every time you lick a stamp, you're consuming
1/10 of a calorie. • A fetus acquires fingerprints at the age of three
months. • A sneeze can exceed the speed of 100 mph. • Every person has a unique tongue print. • According to German researchers, the risk of
heart attack is higher on Monday than any other day of the week.
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Skeletal System
• Functions- provides frame work, calcium storage, blood cell formation, movement
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Skeletal System
• Functions- provides frame work, calcium storage, blood cell formation, movement
• 206 bones- a few people will have 205 or 207
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Skeletal System
• Functions- provides frame work, calcium storage, blood cell formation, movement
• 206 bones- a few people will have 205 or 207
• Axial Skeleton- 80 bones, skull, spine, ribs and sternum
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Skeletal System• Functions- provides frame work, calcium
storage, blood cell formation, movement• 206 bones- a few people will have 205 or 207• Axial Skeleton- 80 bones, skull, spine, ribs and
sternum
• Appendicular skeleton- 126 bones, upper and lower extremities, shoulders, and pelvis
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• After spending hours working at a computer display, look at a blank piece of white paper. It will probably appear pink.
• An average human drinks about 16,000 gallons of water in a lifetime.
• A fingernail or toenail takes about 6 months to grow from base to tip.
• An average human scalp has 100,000 hairs. • It takes 17 muscles to smile and 43 to frown. • Babies are born with 300 bones, but by
adulthood we have only 206 in our bodies. • Beards are the fastest growing hairs on the
human body. If the average man never trimmed his beard, it would grow to nearly 30 feet long in his lifetime.
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Bone structure
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Typical Long Bone
Epiphysis
Epiphysis
Diaphysis
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Other bone landmarks
• Foramen- hole in the bone for blood supply and nutrient transport
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Other bone landmarks
• Foramen- hole in the bone for blood supply and nutrient transport
• Tubercle- bump for tissue attachment
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Articulations-Joints
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Articulations-Joints
• 2 or more bones join together/connect
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Articulations-Joints
• 2 or more bones join together/connect
• Ligaments hold bones together
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Types of joints• Suture- immovable joint in the skull
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Types of joints• Suture- immovable joint in the skull
• Symphysis- moves slightly, connect pubic bones together
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Types of joints• Suture- immovable joint in the skull
• Symphysis- moves slightly, connect pubic bones together
• Synovial – movable joint, most of the joint in the body are synovial
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Synovial Joints
• A joint capsule surrounds the joint
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Synovial Joints
• A joint capsule surrounds the joint
• Filled with synovial fluid– Lubricates and cushions the joints– Provides nutrients to the joints
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Types of Synovial Joints
• Ball and Socket—hip and shoulder joints
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Types of Synovial Joints
• Ball and Socket—hip and shoulder joints
• Hinge- knee and elbow
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Types of Synovial Joints• Ball and Socket—hip and shoulder joints
• Hinge- knee and elbow
• Saddle- ankle and thumb- rotation
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• By age sixty, most people have lost half of their taste buds.
• By the time you turn 70, your heart will have beat some two-and-a-half billion times (figuring on an average of 70 beats per minute.)
• Each square inch of human skin consists of twenty feet of blood vessels.
• Every human spent about half an hour as a single cell.
• Every square inch of the human body has an average of 32 million bacteria on it.
• Fingernails grow faster than toenails. • Humans shed about 600,000 particles of skin
every hour - about 1.5 pounds a year. By 70 years of age, an average person will have lost 105 pounds of skin.
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Bone to Memorize
• Humerus-
• Ulna
• Radius
• Carpals
• Phalanges
• Femur, trochanter, head, neck
• Patella
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Bone to Memorize
• Tibia
• Fibula
• Talus
• Calacaneous
• Sternum
• Xyphoid proccess
• Manubrium
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Bone to Memorize
• Clavicle• Cervical vertebrae• Thoracic Vertebrae• Lumbar Vertebrae• Sagittal sutures• Coronal sutures• Fontanel• Mandible
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Bone to Memorize
• Tarsals
• Metacarpals
• Metatarsals
• Ilium
• Sacrum
• Scapula
• Ribs- 7 true, 3 false, 2 floating
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Extra stuff
• Right vs Left- humerus and femur
• Hold the bone up to your body, understand the angles and projections
• Be able to identify bones from an x-ray