Deep and Superficial Muscles Flashcards
middle glutes
origin: at glute surface of ilium sacrotuberal ligament and glute fascia
insert: at the trochanter of femur
action: extends hip and abducts limb
complexus/ Semispinalis capitis
origin: 1st thorasic and3rd cervical vert
Insert: dorsal nuchal line
Action: lifts head and neck to flex laterally
Gaskin/ Long Digital Extensor
Origin: Long digital extensor muscle proximal to the hock
Insert: Extensor process of distal Phalynx
Action: Extends digits and flexes tarsus
Deep Flexor
Origin: Deep Digital Flexor muscle distal to tarsus
Insert: Distal Phalynx
Action: flexes distal phalynx
Internal Oblique
Origin: illiac Crest (hip)
Insert: lower ribs 5-12
Action: Rotates trunk and protects internal organs
Lateral Digital Extensor
Origin: Long digital Extensor
insert: Calcaneous and fourth tarsal bone
Action: Extends forelimb
Iliocostalis Dorsi
Origin: Flattened tendons of lower 6 ribs
Insert: 6 ribs and upper back of transverse process of 7th vert
Action: flexes neck and vertebrae laterally
Longisimus Dorsi
origin: spinalus ligament which attaches thoracic, lumbar, and sacral vert
insert: transverse processes of T spine
Action: Extends spine and helps expiration
spinalis dorsi
origin: spinous process of lower vertebral spine
insert: lower spinal vert.
Action: Extend and laterally extend/ bend neck and ribs
Gastrocnemius
Origin: Supraglenoid tuberosity of femur
Insert: hock
Action: extends hock and flexes stifle
Serratus cervicus
Origin: final 4-5 cervical vertebrae
Insert: scapula
Action: draws scapula forward and up
Quadriceps
Origin: ilium/ femur
Insert: patella
Action: flex stifle
Deep posterior pectorals
Actions:Adducts and retracts forelimb
Infraspinatus
Origin: scapula
Insert: humerus
Action: abducts and keeps shoulder from dislocating
Supraspinatus
Origin: scapula
Insert: humerus
Action: extends shoulder and prevents dislocation