The Skeletal System (Appendicular) Pt. 2 Flashcards

1
Q

What is another name for the thigh bone?

A

Femur

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2
Q

What are characteristics of the femur (thigh bone)? (2)

A
  • Only bone in the thigh
  • Strongest bone in the human body
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3
Q

What does the proximal end of the femur have? What does it articulate with? (2)

A
  • A ball-like head
  • That articulates with the socket of the hip bone
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4
Q

What is after the head of the femur?

A

The neck of the femur

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5
Q

What is the neck of the femur a common area for and for who?

A

A common fracture location for the elderly

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6
Q

What is a title/name for the head of the femur?

A

Greater trochanter

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7
Q

How does the femur slant? How does the femur run and what does it join with? (3)

A
  • The femur slants medially
  • Runs downward
  • To join with the leg bones
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8
Q

What does the location of the femur do to the knees regarding the body?

A

Brings the knees in line with the body’s center of gravity

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9
Q

What are on the femur distally? (2)

A

Distally on the femur are the:
- Lateral and medial condyles

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10
Q

What do the lateral and medial condyles articulate with and of what? (2)

A
  • These two structures articulate with the tibia
  • Of the lower leg
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11
Q

What is anteriorly on the distal femur? What does it form the joint with? (2)

A
  • Anteriorly on the distal femur is the patellar surface
  • Forms the joint with the patella or kneecap
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12
Q

What are the two bones that form the skeleton of the leg? (2)

A
  • Tibia
  • Fibula
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13
Q

What are the tibia and the fibula?

A

The two bones that form the skeleton of the leg

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14
Q

What holds the tibia and the fibula together?

A

Interosseous membrane

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15
Q

What does the interosseaous membrane hold together? (2)

A
  • Tibia and fibula
  • Radius and ulna
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16
Q

What is the tibia also known as?

17
Q

What characterizes the tibia (shinbone)? (2)

A
  • Larger of the two
  • Is more medial
18
Q

What are at the proximal end of the leg bones?

A

Medial and lateral condyles

19
Q

What do the leg bones articulate with and what do they form? (2)

A
  • Articulate with the distal end of the femur
  • To form the knee joint
20
Q

What forms the inner bulge of the ankle and where?

A

Distally, a process called the medial malleolus form the inner bulge of the ankle

21
Q

What does the fibula lie alongside? Where does it form joints? (2)

A
  • Lie alongside the tibia
  • Forms joints with both proximally and distally
22
Q

What physically characterizes the fibula?

A

Thin and stick like

23
Q

What does the fibula have no part in forming?

A

The fibula has no part in forming the knee joint

24
Q

What is the lateral malleous? What does it form? (2)

A
  • Distal end of the fibula
  • Forms the outer part of the ankle
25
What does the tarsus form?
Forms the posterior half of the foot
26
What is the tarsus composed of and how many?
Composed of seven tarsal bones
27
What does talus mean?
Ankle bone
28
How many parts of the metatarsals are there?
Five parts
29
What do the metatarsals form? What do phalanges form and how many? What are they all considered to be part of? (3)
- Form the sole - Fourteen phalanges form the foot - This is all considered to be part of the leg
30
What do weak arches cause/what are they called? (2)
- Flat feet - Fallen arches
31
How many phalanges does each toe have that is similar to the fingers of the hand? What is the exception? (2)
- Each toe has three phalanges - The big toe
32
How many phalanges does the big toe have?
Two phalanges
33
What is the outside bulge formed by?
The fibula
34
What is the calcaneus?
Heel bone