O, I, A's Flashcards
Biceps Brachii
O cranial scapula
I cranial radius (& tendon of extensor Capri radials)
A extend shoulder and carpus, flex elbow via tendon of extensor Capri radial is
Ascending pectoral
O sternum
I medial humerus
A retract and adduct limb
Brachialis
O humerus
I radius
A flex elbow
Brachiocephalicus (horse moving)
O mastoid process
I cranial border of humerus
A protracts limb also extends shoulder
Brachiocephalicus (horse standing)
O cranial border of humerus
I mastoid process
A extends head and neck (also turns head toward the same side)
Deltoid
O spine of scapula
I (deltoid tuberosity) lateral humerus
A flex shoulder (abductor)
Infraspinatus
O infraspinous fossa (scapula)
I humerus
A stabilize shoulder joint and abduct limb
Superficial pectoral
O sternum
I cranial surface of humerus
A adduct limb and extend shoulder
Serratus cervical horse standing
O serrated face of scapula
I TPs of c3 - c7
A contraction of both sides raises neck
Serrated cervical horse moving
O TPs of c3-c7
I serrated face of scapula
A rotates scapula cranially
Serratus thoracic horse standing
O serrated face of scapula
I 1St 8 or 9 ribs
A contraction of both sides raises thorax
Serratus thoracic horse moving
O 1st 8-9 ribs
I serrated face of scapula
A rotates scapula caudally
Subclavian
O sternum
I scapular fascia
A adducts the limb
Subscapularis
O subscapular fossa
I humerus
A adduct limb and extend shoulder
Supraspinatus
O supraspinous fossa (scapula)
I humerus
A stabilize and extend shoulder
Teres Minor
O cranial border of scapula
I lateral humerus
A flex shoulder
Trapezius cervical
O nuchal ligament c2-t3
I spine of scapula
A elevates shoulder
Trapezius thoracic
O spinaspinous ligament t3-t10
I spine of scapula
A elevates shoulder
Triceps Brachii long head
O caudal border of scapula
I olecranon
A extend elbow and flex shoulder
Triceps Brachii lateral head
O lateral humerus
I olecranon
A extend elbow
Triceps Brachii medial head
O medial humerus
I olecranon
A extend elbow
Adductor
O ventral surface of pelvis
I femur
A adduct limb
Biceps femoris
O gluteal fascia, ishium
I lateral femur, cranial border of tibia, calcaneal tuber
A extend and abduct limb
Gastrocnemius
O distocaudal surface of femur
I calcaneum
A extends tarsus and flex stifle