Avian MSK

Question 1

how does the atlas-axis structure in birds compare with mammals?

Answer 1

same

Question 2

what is the notarium?

Answer 2

fused T1-T5

Question 3

what is the shape of the scapula?

Answer 3

long and slender

Question 4

what provides the solid skeletal link between the forelimb and the axial skeleton?

Answer 4

coracoid

Question 5

what does the coracoid link together?

Answer 5

scapula to sternum

Question 6

where is the site of attachment for pectoral muscles?

Answer 6

sternal keel

Question 7

what is the synsacrum?

Answer 7

lumbar, sacral, and first few caudal vertebrae are fused (also includes fused bones on pelvis)

Question 8

why is there no pubic symphysis in birds?

Answer 8

for egg to get through

Question 9

true or false: there is no pubic symphysis in birds

Answer 9

true

Question 10

what are the fused clavicles in a bird called?

Answer 10

furcula

Question 11

label this image

Answer 11

A: notarium

B: synsacrum

C: pubis

D: fibula

E: tibiotarsus

F: tarsometatarsus

G: keeled sternum

H: coracoid

I: furcula

Question 12

what powers the upstroke of the wings?

Answer 12

supracoracoideus

Question 13

what powers the downstroke of the wings?

Answer 13

pectoralis

Question 14

what bones make up the triossues canal?

Answer 14

scapula, coracoid, and clavicle

Question 15

where does the supracoracoideus attach to?

Answer 15

triosseus canal

Question 16

label muscles 1 and 2

which one is deep to the other?

Answer 16

1: pectoralis
2: supracoracoideus

supra deep to pec

Question 17

what is pinioning?

Answer 17

surgically removing one pinion joint to prevent flight (used most commonly in waterfowl)

Question 18

what muscle is affected during pinioning?

Answer 18

extensor carpi radialis

Question 19

what joint geometric shape is the hock? what movement does it permit?

Answer 19

condylar

mostly F/E

Question 20

quads are to mammals as ___ is to birds

Answer 20

femorotibialis

Question 21

glutes are to mammals as ___ is to birds

Answer 21

iliotrochantericus

Question 22

tensor fascia lata is to mammals as ___ is to birds

Answer 22

iliotibialis