Bones of the Arm Flashcards

1
Q

what does the humerus form?

A

arm

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2
Q

the proximal end of the humerus articulates with what

A

the head articulates with the glenoid cavity of the scapula

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3
Q

area inferior to the head

A

anatomical neck

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4
Q

what is the location of the intertubecular sulcus

A

anterior and lateral to the neck

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5
Q

what is the function of the tubercle of the humerus?

A

sites of muscle attachment

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6
Q

what is on both sides of the intertubercular sulcus

A

greater and lesser tubercles

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7
Q

what is distal to the tubercles?

A

surgical neck

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8
Q

what is significant about the surgical neck?

A

most frequently fractured part of the humerus

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9
Q

what is the deltoid tuberosity?

A

where the deltoid muscle attaches to the humerus

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10
Q

location of the deltoid tuberosity

A

midway down the shaft

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11
Q

what is the radial groove?

A

marks the course of the radial nerve

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12
Q

the coronoid fossa and old random fossa allow what

A

the ulna to move freely when the elbow is bent and extended

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13
Q

at the distal end of the humerus what articulates with what?

A

the trochlea and capitulum articulates with the bones of the forearm

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14
Q

what is the bone of the humerus like?

A

single long bone

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