Muscles Flashcards
How do we define muscles
By their nomenclature (action, shape, location, direction of fibers, numbers of divisions, attachment sites)
Muscle of the head; is involved with chewing; broad muscle in the cheek of a horse
Masseter
Which muscle acts on the scapula
Trapezius
Function of the trapezius
Swings scapula forward
The trapezius’s two portions
Cervical and thoracic
The extensors acting on the shoulder joint
Brachiocephalicus and supraspinatus
Flexors acting on the shoulder joint
Latissiumus dorsi and infraspinatus
What is the adductor of the shoulder joint
Pectoralis
What is the abductor of the shoulder joint
Deltoideus
Which muscle is responsible for extending the elbow joint
Triceps branchii
What is one muscle that flexes the elbow joint
Biceps branchii
Which three muscles make up the hamstring
Bicep femoris, semitendinosus, semimembranosus
One flexor of the hip joint
Quadriceps
Abductor of the hip joint
Gluteal muscle
Extensors of the stifle joint
Quadriceps
Two flexors of the stifle joint
Hamstrings and gastrocnemius
What is the extensor muscle of the hock joint
Gastrocnemius
Which muscle is a strong flexor of the shoulder but also advances the trunk if the limb is fixed
Latissimus dorsi
Which muscle helps flex the vertebral column, supports the organs of digestion and reproduction, and is considered the most superficial
The external abdominal oblique
Which two muscles are involved in respiration
Diaphragm and intercostals
The four main types of muscle movement
Extension, flexion, addiction, abduction
Extension
Straightening or increasing the angle
Flexion
Bending or decreasing the angle
Adduction
Moving towards the midline
