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This comprehensive guide explores the critical aspects of conformation in light horse breeds, focusing on their anatomy and physiology. It delves into how conformation affects movement, performance potential, and soundness in various athletic endeavors such as trail riding, speed events, rodeos, and shows. Key topics include ideal foreleg and hindquarter positions, balance, and the relationship between body parts. Emphasizing the importance of correct structure for optimal athletic performance, this resource serves as an essential reference for horse enthusiasts and trainers.
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ANIMAL SCIENCE Equine Anatomy/Physiology Skeletal and Muscular Systems Topic: (3184A) Ms. Nadene Blakeley
The Light Horse • Athletic purposes • Trail riding • Speed events • Rodeo • Ranch • Shows • Western • English
Quarter Horses Thoroughbreds Arabians Paint Horses Appaloosas Pintos Morgans Saddlebreds Standardbreds Andalusians Hanoverians Walking Horses Mustangs Lippizans Light Horse Breeds
Conformation • Relates to performance potential • Relationship of parts with one another • Determines movements • Ease, freedom and direction of leg movement • Basic conformation desired • Correctness • Soundness • Personal preference variations
Balance: A Standard Horse • Length of head = neck, shoulder, waste & hip • Heart girth = length of legs • Height (at withers) = Length (shoulder to hip) ((mainly viewed from the side of the horse))
Forelegs • Arms- • Short in relation to shoulder • Forearm- • long with long, lean muscles tie in close to knee • Knees- • Wide, flat, smooth, clean-cut (centered on radius) • Cannon Bones- • Short (compared to forearm)- stability, centered to knee • Ankle- • Clean, smooth, free from excess material • Pasterns- • Moderately long, sloping (45 degrees)
Forelegs: (Front View) • Ideal Position • Base Narrow • Knock Kneed • Pigeon Toed • Toes Out • Bench Kneed • Bow Legged
Forelegs: (Side View) • Ideal Position • Camped Out • Camped Under • Buck Kneed • Calf Kneed
Side View (Equine Profile) • Back- • preferably short and muscled (strong) • Loin- • has no support except vertebral column (well muscled) • Chest- • preferably deep and full contains lungs and heart • Ribs- • preferably well sprung, protect vital organs
Hindquarters • Croup- • long, fairly flat, muscular and good tail set • Hip- • long, strong, angled to point of buttock • Gaskin- • moderately sloped from stifle to hock • Hock- • wide, deep, well defined, strong and angled • Cannon Bones- • parallel from rear; from side, line of cannon bones should point to buttock (outer most point) • Pastern- • moderately long, at 50 degree slope is ideal
Hindquarters: (Side View) • Ideal Position • Sickle Hocked • Post Legged • Camped Out
Hindquarters: (Rear View) • Ideal Position • Bow Legged • Cow Hocked • Stands Close • Stands Wide
Conclusion • Conformation: Important! • Performance potential • Determines movements • Balance: Proportional • Correctness=Soundness, Strength, Performance • Faults=Weakness, Instability
Resources • MSU Ag Ed Website (www.agriscience.msu.edu) • Horse Learning Laboratory Kit • (Ohio State University Extension 4-H/Youth Development, 1998)