Back and Neck Flashcards
Epaxial muscles are those
above the vertebrae
The ___ ligament supports the vertebrae
Supraspinous
Hypaxial muscles are those
below the vertebrae
Extensors of the back are
Epaxial muscles
Extensors of the hip are
-Gluteals (superficial, middle, deep)
-Hamstrings (Biceps Femoris, Semitendinosus, Semimembranosus)
Extensors of the stifle are
Quadriceps (Rectus Femoris, Lateral Vastus, Medial Vastus, Intermediate Vastus)
Extensors of the hock
Gastrocnemius
Protractors of the forelimb
Brachiocephalic (Cleidobrachialis, Cleidomastoidideus, Cleidocervicalis)
Extensors of the shoulder
Supraspinatus
Flexors of the back
-Hypaxial muscles
-Abdominal muscles
Retractors of the forelimb
-Latissimus dorsi
-Deep Pectorals
Extensors of the elbow
Triceps brachii (long, lateral, medial, intermediate)
Flexors of the hip
-Iliopsoas
-Rectus Femoris
Large animals developed ___ and ____ as support to the head
Nuchal Ligament; Large Spinous Processes (withers)
Three ligaments of the Vertebral Column
-Ventral Longitudinal Ligament
-Dorsal Longitudinal Ligament
-Supraspinous Ligament
Which ligament is along the tip of the spinous process
Supraspinous Ligament
Which ligament runs from the thorax and sacrum
Ventral Longitudinal Ligament
Which ligament runs from the axis to the sacrum
Dorsal Longitudinal Ligament
Which ligament is modified in the neck to form the Nuchal Ligament
Supraspinous Ligament
The Nuchal Ligament (4)
-runs from the spine of axis to the spinous process of T1in the dog
-runs from occipital bone and cervical vertebrae to the spinous processes of the first few thoracic vertebrae in the horse
-paired fibrous band
-yellow elastic fibres
Bursae minimise
pressure over bony prominences
Poll Evil and Fistulous Withers are
infections of the Atlantal Bursa and Supraspinous Bursa, respectively
The atlas articulates with the occipital condyles at the
Atlanto-Occipital Joint
The atlas articulates with the atlas at the
Atlanto-Axial Joint
Which joint causes nodding (up and down) movement of the head
Atlanto-Occipital Joint
Which joint cause the head to rotate (move side to side)
Atlanto-Axial Joint
Ligaments of the Atlanto-Occipital Joint are (2)
-Dorsal Atlanto-Occipital Membrane
-Ventral Atlanto-Occipital Membrane
Ligaments of the Atlanto-Axial Joint are (3)
-Dorsal Atlanto-Axial Membrane
-Ventral Atlanto-Axial Membrane
-Interspinous
Dens connect to the
skull
There are __ parts to the dens of the dog and they are ___
3; apical and two alar
The Epaxial muscles include
-Transversospinalis Group
-Longissmus
-Iliocostalis
The transverse atlantal ligament (2)
-is a strap that pushes the dens down and away from spine
-if ruptured, will cause death
Contracting epaxials causes
extension of the back