unit 1 sac 1 Flashcards

major muscles and joints

1
Q

what are ligaments, tendons and cartilage?

A

ligaments- connect bones to other bones
tendons = connect muscle to bone
cartilage= provides a protective, shock absorbing gell between joints.

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2
Q

what are the functions of the skeletal system?

A

-protection of vital internal organs- such as the brain, (skull), spinal cord, (vertebral column)
-support and posture
storage of fuels, fats and minerals

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3
Q

What are the three planes of movement?

A

transverse (half of the body, superior and inferior)
frontal ( divides into anterior and prosterior)
sagital (left and right sections)

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4
Q

how many bones are in the human body?

A

206

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5
Q

What are axial bones?

A

supports and protects the bodies internal organs and provides an attachment site for other bones and muscles.

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6
Q

What are appendicular bones?

A

responsible for making movement, permitting locomotion and giving us the ability to grasp. and manipulate objects.

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7
Q

example of axial bones

A

cranuim, vertabral column, rib cage

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8
Q

examples of appendicular bones

A

femur, fibular, ulna, scapula

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9
Q

what are the 5 types of bones plus an example.

A

short bones(, long bones(humerus,femur), sesamoid bones(patella), flat bones(scapular, ribs), irregular bones(vertebrae, illium).

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10
Q

what are the three types of joints?

A

fixed or fibrous, cartilaginous, synovial.

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11
Q

synovial joint amount of movement and examples

A

free, hip+knee

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12
Q

fixed or fibrous amount of movement and examples

A

none, skull+pelvis

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13
Q

cartilaginous amount of movement and examples

A

slight, ribs attaching to the sternum+lumbar

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14
Q

what are the 6 types of synovial joints?

A

pivot, gliding,ball&socket, hinge, saddle,condyloid

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15
Q

example of pivot joints

A

atlas +axis

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16
Q

example of gliding joints

A

carpals/tarsals

17
Q

examples of ball n socket joints

A

shoulder, hip

18
Q

examples of hinge joints

A

knee, elbow

19
Q

example of saddle joints

A

carpo-metacarpal joint of thumb

20
Q

example of condyloid joint

A

wrist

21
Q

what is a uniaxial joint?

A

a joint that allows movement in one plane only, such as back and forth.

22
Q

what is a biaxial joint?

A

a joint with two axes of movement, such as side to side + back and forth.

23
Q

what is supination?

A

palm open

24
Q

what is pronation?

A

palm down

25
Q

what is dorsiflexion?

A

lifting toes up with heel down.

26
Q

what is planterflexion?

A

heel plant toes down

27
Q

what is flexion?

A

the angle between bones is decreased and flexion occurs. (think flexing)