TOPIC 10A ART HUMERI & MUSCLES

Question 1

What bones is articulatio humeri between

Answer 1

scapula and humerus

Question 2

what kind of articulation is art humeri

Answer 2

multiaxial, spheroid, synovial but limited by surrounding muscles - functions as ginglymus (hinge)

Question 3

what movement is possible in ca

Answer 3

flex, extension, adduction, supination and pronation

Question 4

are there any collateral ligaments present

Answer 4

nope - tendons of muscles function as these

Question 5

what muscle acts as lateral collateral ligamnet

Answer 5

m infraspinati

Question 6

what muscle acts as medial collateral ligamnet

Answer 6

m subscapular

Question 7

what is the labrum glenoidale

Answer 7

a fibrocartilageneous lip that extends the surface of the glenoid cavity

Question 8

how many pouches in eq and ox

Answer 8

3 cranial and 2 caudolateral

Question 9

how many pouches in ca

Answer 9

2 cranial and 1 caudolateral

Question 10

what surrounds the biscipital tendon in ca, sus and ov

Answer 10

vagina syovialis intertubercularis

Question 11

what replaces the vagina syovialis intertubercularis in eq and bo

Answer 11

bursa intertubercularis

Question 12

what ligament is present in ca and eq from cavitas glenoidale to tuberculum major and minor (lat and med)

Answer 12

ligg glenohumerale

Question 13

what ligament is present only in ungulates from tuberculum supraglenoidale to tuberculum major

Answer 13

lig coracohumerale

Question 14

what ligament is present only in canine that bridges bicipital groove - holds the tendon of m. bicipitis here

Answer 14

lig transversarium humeri

Question 15

what muscle is in equine apparently

Answer 15

m articularis humeri
O: caudal joint
I: capsule
F: tenses the joint capsule

Question 16

lateral muscles of art humeri

Answer 16

m deltoideus,
m infraspinati
m supraspinati
m. teres minor

Question 17

medial muscles of art humeri

Answer 17

m triceps caput longum
m biceps
m coracobrachialis
m teres major
m subscapularis