locomotion Flashcards

1
Q

what are the functions of the skeletal system?

A

provides basic shape
provides support for the body
allows the muscular system to produce movement-locomotion
protection of vital organs

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2
Q

what are the 2 functional parts of the skeletal system?

A
axial skeleton:
head
neck
trunk
appendicular skeleton:
limbs
pectoral & pelvic girdle
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3
Q

describe cartilage

A

resilient, semirigid CT
in areas for flexibility
articular cartilage reduces friction
avascular

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4
Q

describe bone

A
support 
protection
mechanical basis (leverage/locomotion)
storage
new cells
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5
Q

what are the 2 types of bone and how are they distinguished?

A

compact
spongy
amount of solid matter and size of space

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6
Q

describe compact bone

A

strength for weight bearing
in long bones it is found in the middle of the shaft
long bones have elevations (ridges, crests and tubercles)

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7
Q

what are the 5 classifications of bones?

A
tubular=long bones
cuboidal=short bones
protective=flat bones
irregular bones
sesamoid bones
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8
Q

what are bone markings?

A

where tendons, ligaments or fascia is attached

where arteries lie adjacent

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9
Q

what are bone formations?

A

passage of a tendon to improve leverage

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10
Q

describe standing at ease

A

few back and lower limb muscles are active
mechanical arrangement means minimal muscular activity
hip & knee joints most stable
ankle unstable
tendency for body to fall forward

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11
Q

what is opposition and reposition?

A

bringing thumb and pinky together- and back

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