Limbs

Question 1

Regions of the Thoracic Limb

Answer 1

shoulder- scapula
brachium- humerus
antebrachium- radius and ulna
manus- carpal, metacarpal, phalanges, proximal sesamoid bones

Question 2

Manus

Answer 2

3 regions: carpus, metacarpus, digits

Question 3

Carpus

Answer 3

8 bones
proximal row has radial, intermediate, ulnar, and accessory carpal bones
distal row has 1st, 2nd, 3rd, and 4th carpal bones
dogs and cats have one intermedioradial bone

Question 4

Metacarpus

Answer 4

5 metacarpal bones

Question 5

Digits

Answer 5

proximal, middle, and distal phalanges

Question 6

Which digits are weight bearing?

Answer 6

2-5

Question 7

Sesamoid Bones

Answer 7

proximal sesamoid bones and sesamoid of the abductor pollicis longus m.
At metacarpal phalangeal joint

Question 8

Axis of the thoracic limb

Answer 8

passes down center of limb between digits 3 and 4

Question 9

Axial

Answer 9

towards axis

Question 10

Abaxis

Answer 10

away from axis

Question 11

Regions of the Pelvic Limb

Answer 11

Hip- os coxa
Thigh- femur
Crus- tibia and fibula
Pes- tarsal and metatarsal, phalanges, proximal sesamoid bones

Question 12

Os Coxa

Answer 12

4 fused bones (ilium, ischium, pubis, acetubular bone)

Question 13

Pelvic Girdle

Answer 13

fused pair of os cozae

Question 14

Pes

Answer 14

tarsus, metatarsus, and digits

Consists of talus, calcaneus, central, 1,2,3,4

Question 15

Humeral Joint

Answer 15

between glenoid cavity of scapula and humeral head

Question 16

Cubital Joint

Answer 16

elbow (between, humerus, radius, and ulna

Question 17

Radioulnar Joints

Answer 17

between radius and ulna

Question 18

Antebrachiocarpal Joint

Answer 18

between proximal row of carpal bones and the radius and ulna. 90% of range of motion

Question 19

Middle Carpal Joint

Answer 19

collection of intercarpal joints; collective joint between proximal and distal carpal bones; rest of range of motion

Question 20

Carpometacarpal Joints

Answer 20

between carpal and metacarpal bones; will have numbers

Question 21

Metacarpophalangeal Joints

Answer 21

between metacarpal and proximal phalanges

Question 22

Proximal Interphalangeal Joints

Answer 22

between proximal and middle phalanges

Question 23

Distal Interphalangeal Joints

Answer 23

between middle and distal phalanges

Question 24

Sacroiliac Joint

Answer 24

articulation between the sacrum and ilium; fibrocartilagenous joint (joint for stability)

Question 25

Coxal Joint

Answer 25

between os coxa and head of femur

Question 26

Genual Joint

Answer 26

stifle; between femur, tibia, and patella

Question 27

Tibiofibular Joints

Answer 27

side to side between tibia and fibula

Question 28

Tarsal Joints

Answer 28

tarsal bones with each other and adjacent bones

Question 29

Tarsocrural Joint

Answer 29

between tibia, fibula, and talus. All motion

Question 30

Intertarsal Joint

Answer 30

side to side and end to end articulations between tarsal bones

Question 31

Talocalcaneal Joint

Answer 31

intertarsal joint between talus and calcaneus

Question 32

Talocalcaneocentral Joint

Answer 32

between talus, calcaneus, and central tarsal. Cant move

Question 33

Calcaneoquartal Joint

Answer 33

between calcaneus and 4th tarsal joint

Question 34

Centrodistal Joint

Answer 34

between central distal and 1st, 2nd, and 3rd tarsals

Question 35

Extrinsic Muscle

Answer 35

one attachment on the body and one on the limb

Question 36

Intrinsic Muscle

Answer 36

both attachments on the limb

Question 37

Which muscles act as lateral collateral ligaments of the shoulder?

Answer 37

infraspinatus and supraspinatus

Question 38

Which muscles act as medial collateral ligaments of the shoulder?

Answer 38

subscapularis and coracobrachialis

Question 39

What joints have collateral ligaments?

Answer 39

Every synovial joint except coxal joint and humeral joint.

Question 40

Joints with intracapsular ligaments

Answer 40

coxal joint, cubital joint, genual joint, carpal joints, tarsal joints

Question 41

What muscles do you have to cut to remove the thoracic limb?

Answer 41

brachiocephalicus - serratus ventralis - superficial pectoral - deep pectoral - omotransversarius - trapezius - rhomboideus - latissmus dorsi