Changes

:The most medial

:The most medial

::'''Insertion''': Metacarpal tuberosity of the proximal [[Bones and Cartilages - Horse Anatomy#Metacarpals and Metatarsals|third metacarpal]] (cannon) bone. Uniquely in the horse, the lacertus fibrosus (detachment of the ''biceps brachii'') joins this muscle prior to its insertion.  

::'''Insertion''': Metacarpal tuberosity of the proximal [[Bones and Cartilages - Horse Anatomy#Metacarpals and Metatarsals|third metacarpal]] (cannon) bone. Uniquely in the horse, the lacertus fibrosus (detachment of the ''biceps brachii'') joins this muscle prior to its insertion.  

::'''Action''': Extends and fixes the carpus, flexes the elbow

::'''Action''': Extends and fixes the [[Joints and Ligaments - Horse Anatomy#Carpal Joint|carpus]], flexes the [[Joints and Ligaments - Horse Anatomy#Elbow Joint|elbow]]

'''''Extensor carpi obliquus''''' (aka '''''abductor pollicis longus''''')

'''''Extensor carpi obliquus''''' (aka '''''abductor pollicis longus''''')

: Deep to the ''extensor carpi radialis''

: Deep to the ''extensor carpi radialis''

:'''Insertion''': Extensor process of the [[Phalanges - Horse Anatomy#Distal Phalanx|distal phalanx]] via the [[Tendons - Horse Anatomy#Extensors|common digital extensor tendon]].

:'''Insertion''': Extensor process of the [[Phalanges - Horse Anatomy#Distal Phalanx|distal phalanx]] via the [[Tendons - Horse Anatomy#Extensors|common digital extensor tendon]].

:'''Action''': Extends carpus and digit

:'''Action''': Extends [[Joints and Ligaments - Horse Anatomy#Carpal Joint|carpus]] and digit

'''''Lateral Digital Extensor'''''

'''''Lateral Digital Extensor'''''

: Caudal to the ''common digital extensor'' muscle on the lateral antebrachium

: Caudal to the ''common digital extensor'' muscle on the lateral antebrachium

:'''Insertion''': Dorsal [[Phalanges - Horse Anatomy#Proximal Phalanx|proximal phalanx]] via the [[Tendons - Horse Anatomy#Extensors|lateral digital extensor tendon]].

:'''Insertion''': Dorsal [[Phalanges - Horse Anatomy#Proximal Phalanx|proximal phalanx]] via the [[Tendons - Horse Anatomy#Extensors|lateral digital extensor tendon]].

:'''Action''': Extends the carpus and metacarpophalangeal (fetlock) joint

:'''Action''': Extends the [[Joints and Ligaments - Horse Anatomy#Carpal Joint|carpus]] and [[Joints and Ligaments - Horse Anatomy#Metacarpophalangeal (Fetlock) Joint|metacarpophalangeal]] (fetlock) joint

=='''Flexors'''==

=='''Flexors'''==