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Moving Exam 3 > Anatomy - PL Of EQ > Flashcards

Anatomy - PL Of EQ Flashcards

1
Q

Location of pelvic chestnuts

A

Distal to tarsus
May be absent
Smaller in mules, absent in donkeys

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2
Q

Chestnuts are land marks for

A

Origin of suspensory ligament

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3
Q

Difference between forelimb chestnuts and hindlimb

A

Carpal chestnut is proximal to carpus
Tarsal chestnut is distal to tarsus

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4
Q

Ergot function

A

In motion, fetlock joint sinks and cushions
Two ligaments (ergot lig) extend cranial distally and feed into digital fascia

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5
Q

Clinical significance of ergot ligaments

A

Can cut nerve supply - medial and plantar digital n
Can be mistaken for nerves, ligs are superficial to nerves
(Have shiny silvery appearance)

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6
Q

Hamstring muscles in horses

A

Biceps femoris (3head, patellar, tibial, )
Semi tendinous and membranous
Each muscle has two heads of origin : vertebral & pelvic head

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7
Q

Vertebral heads origin

A

Sacrum, sacrotuberus lig, caudal vertebra

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8
Q

Innervation of vertebral heads on hamstring muscles

A

Caudal gluteal n

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9
Q

Origin of pelvic heads of hamstring

A

Ischial tuber

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10
Q

Innervation of pelvic heads of hamstring

A

Sciatic nerve

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11
Q

Trochanteric bursitis

A

Located deep to tendon of insertion of MGlute & cranial part of greater trochanter
- could be secondary to problems in the hock

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12
Q

Fasciae planes & Compartmental syndrome progression

A

Pressure & compression on deep fascia sheath
Thin walls collapse
Blood continues flow in arteries
Muscle swells within fasciae sheath
Muscle anoxia & necrosis

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13
Q

When does compartmental syndrome occur

A

When animal is in lateral recumbancy

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14
Q

Areas deep fascia restrict blood flow to

A

Gluteal muscles
Antebrachial muscles (radial paralysis)
Masseter

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15
Q

Ways to avoid compartment syndrome

A

Massaging glutes, antebrachial & masseter muscles during surgery

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16
Q

Sublumbar muscle group

A

Psoas minor & major
Iliacus
Iliopsoas - strong flexor of hip jt
Quadratus lumborum - ventral to transverse process of lumbar vertebrae

17
Q

Lameness due to Sublumbar muscle

A

Iliopsoas can cause lameness in horse, diagnose by palpating muscle rectally & eliciting signs of pain

18
Q

Muscles of crus

A

Long digital extensor - ext digits, flexes hock
Lateral digital extensor
Short digital extensor

19
Q

Extensor retinacula contain

A

Proximal extensor retinaculum (crural/tibial)
Middle extensor retinaculum (tarsal)
Distal extensor retinaculum (MT)

20
Q

Tenectomy procedure for stringhalt

A

2 cutes
1 - proximal @ musculo-tendinous junction of lateral digital extensor
2 - prior to union with long digital extensor tendon

21
Q

Reciprocal apparatus

A

Includes SDF and Peroneus tertius between the stifle/hock
Prevents stifle flexion & simultaneous ext of hock

22
Q

Cunean tendon

A

Medial branch of the cranial tibial muscle
Important for relieving OA in area or bursitis or bone spavin

23
Q

Location of subtenditious calcanean bursa

A

Within the SDF muscle

24
Q

Calcanean bursae

A

Sub tendinous bursa - constant between gastroc & SDF
Subcutaneous bursa - induced, inflammed= capped hock

25
Q

Pouches of talocrural synovial sac

A

Large Dorso medial pouch - easily punctured = bogus spavin
Medio-plantar & latero-plantar pouches

26
Q

Thoroughpin

A

Inflammation/distension of synovial sheath of DDFT

27
Q

Structures within tarsal canal

A

DDFT
Medial plantar VAN
Lateral plantar VAN

28
Q

Pelvic limb arteries - equine

A

External iliac
Femoral - saphenous a
Popliteal
< caudal tibial
< cranial tibial - dorsal pedal - dorsal metatarsal III

29
Q

How arteries travel on Eq

A

Laterally instead of deep and medially

30
Q

Main arteries in equine pes

A

Dorsal pedal - perforating tarsal - anatomoses saphenous -
< great MT & med & lat plantar /MT
- medial & lateral plantar digital a

31
Q

Veins in pelvic limb

A

Deep veins parallel arteries w same name
Medial saph vein crosses cunean tendon

32
Q

Fibular nerve path

A

Sciatic
Fibular - lateral cutaneous sural
< superficial branch - LDF
< deep branch - med & lat dorsal MT

33
Q

Tibial nerve path

A

Sciatic
Tibial -> incoming caudomedial mm of Crus
<medial plantar - medial plantar digital
<lateral plantar - lateral plantar digital <deep branch - med & lat plantar MT

34
Q

Nerve supply for proximal muscles

A

Vert heads of hamstring - caudal gluteal
PAGE - obturator
Quadriceps femoris - femoral
Sartorius - saphenous
Skin - ^^

35
Q

What nerve supplies a singular muscle ?

A

Superficial peroneal nerve supplies the lateral digital extensor muscle

36
Q

Tibial nerve

A

Runs between calcanean tendon & DDFT (medial aspect)
Innervates caudal crural mm < into med & lat plantar

37
Q

Medial and lateral plantar nerves

A

Pass through tarsal canal, run in the groove between flexor tendon & suspensory ligament
Communicating branch between med & lat branch can be absent

Moving Exam 3 (34 decks)

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