Changes

'''''Biceps brachii'''''  

'''''Biceps brachii'''''  

:'''Innervation''': Musculocutaneous n. from the brachial plexus

:'''Innervation''': Musculocutaneous n. from the brachial plexus

:'''Origin''': Supraglenoid tubercle of the scapula

:'''Origin''': Supraglenoid tubercle of the [[Bones and Cartilages - Horse Anatomy#Scapula|scapula]]

:'''Insertion''': Distally, the muscle divides into a medial and lateral portion.  

:'''Insertion''': Distally, the muscle divides into a medial and lateral portion.  

:: Medial - Medial tuberosity on the proximal radius

:: Medial - Medial tuberosity on the proximal [[Bones and Cartilages - Horse Anatomy#Radius and Ulna|radius]]

:: Lateral - Proximal radius and ulna

:: Lateral - Proximal [[Bones and Cartilages - Horse Anatomy#Radius and Ulna|radius and ulna]]

:It runs through the intertubercular groove of the humerus facilitated by the '''bicipital bursa'''.

:It runs through the intertubercular groove of the [[Bones and Cartilages - Horse Anatomy#Humerus|humerus]] facilitated by the '''bicipital bursa'''.

::'''Action''': Flexes the elbow, extends and stabilises the shoulder during the stance phase

::'''Action''': Flexes the elbow, extends and stabilises the shoulder during the stance phase

'''''Brachialis'''''  

'''''Brachialis'''''  

:'''Innervation''': Musculocutaneous n. from the brachial plexus

:'''Innervation''': Musculocutaneous n. from the brachial plexus

:'''Origin''': Proximocaudal humerus

:'''Origin''': Proximocaudal [[Bones and Cartilages - Horse Anatomy#Humerus|humerus]]

:'''Insertion''': Spirals to insert next to biceps on the medial radius

:'''Insertion''': Spirals to insert next to biceps on the medial [[Bones and Cartilages - Horse Anatomy#Radius and Ulna|radius]]

:'''Action''': Flexes the elbow

:'''Action''': Flexes the elbow