3,320
edits
Changes
Canine Phalanges - Anatomy & Physiology (view source)
Revision as of 15:07, 19 August 2008
, 15:07, 19 August 2008→'''Musculature'''
=='''Musculature'''==
=='''Musculature'''==
'''Interosseous'''
* Function - support of the metacarpophalangeal joints.
* Origin - palmar aspect of the proximal end of the metacarpal bones.
* Insertion - sesamoid bones of the metacarpophalangeal joint, it then continues as extensor branches that wrap round the dorsal aspect of the digit to join the extensor tendons.
====Forelimb====
'''Superficial digital flexor'''
* Function - flexion of the digits
* Origin - medial epicondyle of the humerus
* Insertion - palmar aspect of the middle phalanges
'''Deep digital flexor'''
* Function - flexion of the digits
* Origin - medial epicondyle of the humerus, proximal radius and ulna
* Insertion - palmar aspect of distal phalanges
'''Common digital extensor'''
* Function - extensor of the digits
* Origin - lateral epicondyle of the humerus
* Insertion - extensor process, distal phalanx
'''Lateral digital extensor'''
* Function - extensor of the digits
* Origin - lateral epicondyle of the humerus
* Insertion - proximal phalanx
====Hindlimb====
=='''Vasculature'''==
=='''Vasculature'''==
=='''Innervation'''==
=='''Innervation'''==