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action muscles

QuestionAnswer
trapezius elevate the limb
rhomboideus -elevate the limb -pull dorsal scapula closer to body
serratus ventralis support and elevate the limb
omotransversarius -not fixed: pull limb cranially -fixed: pull head to side
brachicephalicus -one: pull head to one side -both: arch neck -not fixed: pull limbs cranially
latissimus dorsi -not fixed: draw limbs caudally -fixed: pull body cranially, extend the shoulder joint
superficial pectoral adduct the limb
deep pectoral -not fixed: adduct the limb, pull limb caudally -fixed: extend shoulder joint, pull body cranially (when limb is pulled cranially?)
supraspinatus -lateral collateral ligament -extend the shoulder joint
infraspinatus -lateral collateral ligament -flex the shoulder joint -abduct the limb at shoulder joint
deltoideus flex the shoulder joint
subscapularis -medial collateral ligament -adduct limb at shoulder joint
teres major flex the shoulder joint
biceps brachii -flex the elbow joint -exxtend the shoulder joint
brachialis flex the elbow joint
tensor fascia antebrachii extend the elbow joint
triceps brachii -extend the elbow joint -long head flexes shoulder joint
extensor carpi radialis extend the carpal joint
common digital extensor extend carpal and digital joints of weight-bearing digits
lateral digital extensor extend carpal joints of digits 3-5
ulnaris lateralis -flex carpal joints -abduct the manus at the carpal joints
abductor pollicus longus -extend the carpal joints -abduct the first digit
flexor carpi ulnaris flex the carpal joints
flexor carpi radialis flex the carpal joints
superficial digital flexor -flex the carpal joints -flex the metacarpophylangeal and proximal interphalangeal joints of digits 2-5
deep digital flexor -flex the carpal joints -flex the digital joints of all 5 digits
Created by: jesters