Anatomy - Lab Iii - Innervation Of Muscle Groups

Front 1

Innervation of the Lateral Muscles of the Shoulder

Back 1

Suprascapular and Axillary nn.

Front 2

Innervation of the Medial Muscles of the Shoulder

Back 2

Subscapular, Axillary, and Musculocutaneous nn.

Front 3

Innervation of the Cranial Muscles of the Brachium

Back 3

Musculocutaneous n.

Front 4

Innervation of the Caudal Muscles of the Brachium

Back 4

Radial n.

Front 5

Innervation of the Craniolateral Antebrachial Muscles

Back 5

Deep branch of the Radial n.

Front 6

Innervation of the Caudomedial Antebrachial Muscles

Back 6

Median and Ulnar nn.

Front 7

Innervation of the Muscles of the Rump

Back 7

Cranial and Caudal Gluteal nn.

Front 8

Innervation of the Caudal Muscles of the Thigh

Back 8

Sciatic n.

Front 9

Innervation of the Medial Muscles of the Thigh

Back 9

Obturator n

(Exception is the Sartorius m, which is innervated by Femoral n.)

Front 10

Innervation of the Cranial Muscles of the Thigh

Back 10

Femoral n. (innervates sartorius m. as well)

Front 11

Innervation of the Caudal Muscles of the Hip

Back 11

Obturator n.

Front 12

Innervation of the Craniolateral Muscles of the Crus

Back 12

Common peroneal n.

Front 13

Innervation of the Caudal Muscles of the Crus

Back 13

Tibial n.

Front 14

Innervation of Dorsal Surface of Pes

Back 14

Common Peroneal n.

Front 15

Innervation of Plantar Surface of Paw

Back 15

Tibial n.

Front 16

Area for testing Radial n. autonomous zone

Back 16

Dorsal paw

Front 17

Area for testing Musculocutaneous n. autonomous zone

Back 17

Middle medial brachium

Front 18

Area for testing Ulnar n. autonomous zone

Back 18

Above the accessory carpal bone

Fifth digit of the manus

Front 19

Area for testing Genitofemoral n. autonomous zone

Back 19

Medial-middle thigh

Front 20

Area for testing Lateral cutaneous femoral n. autonomous zone

Back 20

Cranial to greater trochanter

Front 21

Area for testing Caudal cutaneous femoral n. autonomous zone

Back 21

Below the ischiatic tuberosity

Front 22

Area for testing femoral (saphenous) n. autonomous zone

Back 22

Mid-thigh to mid-pes

Below the medial condyle of the tibia

Front 23

Area for testing Sciatic n. autonomous zone

Back 23

Caudal to lateral tibial condyle

Caudal portion of crus

Front 24

Area for testing Common peroneal n. autonomous zone

Back 24

Dorsal hind paw

Front 25

Area for testing Tibial n. autonomous zone

Back 25

Plantar hind paw

Front 26

What happens if the musculocutaneous n. is damaged?

Back 26

Inability to flex the cubital jt.

Front 27

What happens if the axillary n. is damaged?

Back 27

Inability to flex the humoral jt.

Front 28

What happens if the radial n. is damaged?

Back 28

Prior to deep branch: inability to extend elbow jt. and carpal and digital joints

After the deep branch: inability to extend carpal and digital joints

Front 29

What happens if the Median and Ulnar n. is damaged?

Back 29

Inability to flex carpal and digital joints

Front 30

What happens if the supraspinatous n. is damaged?

Back 30

Lateral shoulder instability

Front 31

What happens if the obturator n. is damaged?

Back 31

Inability to adduct the hindlimb

Front 32

What happens if the femoral n. is damaged?

Back 32

Inability to extend the genual jt.

Front 33

What happens if the gluteal nn. is damaged?

Back 33

Cranial gluteal n.: diminished ability to extend the coxal jt.

Caudal gluteal n.: Diminished ability to extend coxal jt. and abduct the limb

Front 34

What happens if the sciatic n. is damaged?

Back 34

Sciatic n.: diminished ability to extend the coxal jt.

Tibial n.: inability to extend tarsal and flex digital jts.

Common peroneal n.: inability to flex tarsal jts. and extend digital jts.