Anatomy E2, Hindlimb II
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Hip joint is of which type?
Synovial, composite, ball and socket (spheroidal) joint
What special features prevent coxal luxations in horses?
- Labrum Acetabular
- Transverse Acetabular Lig
- Accessory Lig
- (Lig of the head of the femur, not unique)
Functions of the accessory ligament:
- Limit inward rotation
- Limit Abduction
Stifle joint is of which type?
Synovial, Condylar joint, compound joint
Joint types within the stifle:
Femoropatellar is what type of joint?
- Simple gliding
- (compound, stifle)
Femorotibial is what types of joint?
- Simple Condylar
- (compound, stifle)
The femoropatellar joint capsule is located where?
between the TROCHLEA of the femur and patella
Synovial Sacs of the stifle with the most communication:
- Medial Femorotibial
Resting and Gliding surfaces of the femoropatellar joint are located where:
- Resting= distal, craniodorsally
- Gliding= proximal, cranioventrally
Ligaments of the Stifle:
Fibrocartilage of the medial patella
Ligaments of the stifle joint are really...
Tendons of insertion of the Quadriceps Femoris M
Three Patellar Ligaments:
- Medial patellar
- Middle patellar
- Lateral patellar
The ____ menisci are thick
- Medial and Lateral
- (femorotibial jnt)
What limits hyperextension of the stifle?
What limits Hyperflexion of the stifle?
Cranial and Caudal Cruciates
The patella glides over the ___
Medial Ridge of the trochlea
What does the parapatellar ligament hook on?
Medial Ridge of the Trochlea
Patellar lock occurs when...
- The horse bears weight on only one limb, and
- the joint angle = 145-150
Angle of stifle joint when horse bears weight on both limbs, and only one limb:
Bones of the tarsal joint...
- Proximal row: Calcaneus + Talus
- Middle/Distal Row: T1/T2 + T3 (+vascular canal)+ T4
Articulations of the Hock
- Intertarsal (proximal and distal)
Bog Spavin occurs when...
The proximal end of the tarsal joint capsule bulges and synovial fluid accumulates
Ligaments of the hock:
- Medial and Lateral Collateral
- Long Plantar
Which ligament within the hock is not always present?
The cunean tendon is a tendon of the...
Cranial tibial m
Cunean tendon divides into ____& ____ and inserts at _____&____
- dorsal & medial
- Mt3 & T1/T2
Which tendon of the hock is not within a sheath
What stabilizes the calcaneous?
Long Plantar Lig
Curb is the result of...
straining of the long plantar lig, causing inflammation and convexity of plantar surface
Bursa that lies under the cunean tendon
subtendinous /cunean tendon
Cranial and Caudal structures of the reciprocal apparatus:
- Cr: Peroneus tertius m
- Ca: SDF m, +/- Gastrocnemius
Rupture of the peroneus tertius m =>
abnormal, jerky flexing of the hock
What causes the hock to drop?
Rupture of both the Peroneus tertius and the SDF
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