appendicular skeletal system

Question 1

Shoulder girdle

Answer 1

-made up of 2 bones the clavicle/collarbone and scapula/shoulder blade
-contains the shoulder socket
- is a girdle

Question 2

Clavivle(collarbone)

Answer 2

-only bone of the shoulder that attaches to the ribcage directly
- bears all the weight of the entire arm
-long bone
-infront/anterior

Question 3

Scapula(shoulder blade)

Answer 3

• flat bone(protects internal organs and provides mobility)
• Not attached to rib cage
• posterior (back)

Question 4

Shoulder socket

Answer 4

• ends of clavicle and scapula
• very flexible meaning easily dislocated
• proximal head of humerus is the ball into scapula held together by ligaments

Question 5

Arm

Answer 5

made up of 3 long bones
-humers, ulna, radius

Question 6

Humerus(upper arm bone )

Answer 6

• proximal end is the ball in the shoulders ball and socket joint
  -long bone

Question 7

Ulna(lower arm bone)

Answer 7

• lies medially
  -located on pinky side “UP”
• forms point of elbow

Question 8

Radius

Answer 8

(lies lateral
- located on thumbside

Question 9

The elbow is what type of joint?

Answer 9

hinge joint only moved back and forward

Question 10

The funny bone is actually?

Answer 10

the ulnar nerve runs from the ring finger and pinky finger to the point that tingles in arm

Question 11

Hand

Answer 11

contains 27 bones
phalanges
metacarpals
carpals

Question 12

Phalanges (fingers)

Answer 12

numbered 1-v (lstersl to medial
14 total bones

Question 12

Phalange 1

Answer 12

2 long bones bone thumb

Question 13

how many bones in the phalanges

Answer 13

14

Question 14

Metacarpals(palm)

Answer 14

5 long bones
knuckles at end of metacarpals

Question 15

carpals(wrists)

Answer 15

7 short bones 1 sesamoid bone arranged in two irregular rows
Proximal- scaphoid, lunate.triquetral, pisiform
distal- trapezium,trapezoid, capitate, tlamate

Question 16

Leg

Answer 16

-made up of 4 bones
-femur, fibula, patella, tibia

Question 17

femur

Answer 17

-thigh bone
-longest strongest and largest bone in the body
- head of femur fits into ball and socket joint at hip

Question 18

tibia

Answer 18

lies medially
thicker and stronger

Question 19

fibula

Answer 19

lies laterally
smaller and thinner

Question 20

patella knee cap

Answer 20

sesamoid bone
embedded into quadriceps muscle
lies anteriorly of distal end femur

Question 21

what type of joint is the knee

Answer 21

• a hinge joint
  -made up of femur. tibia, and fibula

Question 22

foot

Answer 22

-26 bones
-carry all the weight of your body most is in 2 bones
phalanges, metatarsals, tarsals

Question 23

phalanges

Answer 23

-long bones
-14
-proximal phalanges 6
-intermediate phalanges 5
- distal phalanges 5

Question 24

metatarsals

Answer 24

-long bones
-5 phalanges
-connect phalange to tarsals
-numbered 1-V medial to lateral
- big toe=thumb
-little toe is pinky

Question 25

tarsals

Answer 25

-7 short bones in ankle ares
- arranged in 3 rows (proximal intermediate, distal)

Question 26

talus-

Answer 26

ankle bone

Question 27

calcaneus

Answer 27

heel bone

Question 28

what two bones are the bones that carry the most weight?

Answer 28

talus and calcaneus