Pes and nerve supply Flashcards
What is the standing position?
Extension
What are the hock flexor muscles in a dog?
- Cranial tibial muscle
- Peroneus longus
- Peroneus brevis
Which hock flexor muscle is present in horses but not dogs/cats?
Peroneus tertius
Which 2 muscles act both as hock flexors and digit extensors?
- Long digital extensor muscle
- Lateral digital extensor muscle
What is the role of the common calcanean tendon?
Acts as a lever for distal limb - hock extensor
The common tendons of which 3 muscles make up part of the common calcanean tendon?
- Biceps femoris
- Semitendinosus
- Gracilis
Which nerve innervated the superficial digital flexor muscle?
Tibial nerve
How many heads does the deep digital flexor have?
2
Where does the deep and superficial digital flexor muscles insert?
All digits
Which branches of the spinal cord supply the hindlimb?
L5, L6, L7, S1, S2
What do the ventral branches of the spinal cord that supply the hindlimb form?
Lumbosacral plexus
Which nerves are branches of the sciatic nerve?
Tibial and fibular/peroneal
Which nerves are motor supply only?
Gluteal and obturator
What are the consequences of damage to the femoral nerve?
- cannot extend stifle = cannot weight bear
- no compensation
- loss of patellar reflex
Which muscle does the sciatic nerve run deep to?
Biceps femoris
Which 3 muscles make up the hamstrings?
- Biceps femoris
- Semitendinosus
- Semimembranosus
Which groups of muscles will still work despite sciatic nerve damage?
Abductors
Adductors
Protract/flex hip
Which artery provides deep supply to the paw?
Cranial tibial artery
What is the first branch off the aorta that supplies the hindlimb?
External iliac artery
What lymph node is present in the hindlimb, what is the imprance of this?
- Popliteal
- enlarged in response to an infection
- important in meat inspection of food producing animals