Tennessee Walking Horse
A flat shod Tennessee Walking Horse
|Distinguishing features||Unique "Running Walk," Tall, long neck; calm disposition; long, straight head|
|Alternative names||Tennessee Walking Horse
|Country of origin||Tennessee, USA|
|Common nicknames||Tennessee Walker, 'Walker, TWH|
|Tennessee Walking Horse Breeders' and Exhibitors' Association||Breed standards|
|National Walking Horse Association||Breed standards|
Horse (Equus ferus caballus)
The Tennessee Walking Horse or Tennessee Walker is a breed of gaited horse known for its unique four-beat "running walk" and flashy movement. It was originally developed in the southern United States for use on farms and plantations. It is a popular riding horse due to its calm disposition, smooth gaits and sure-footedness. The Tennessee Walking Horse is often seen in the show ring, but also popular as a pleasure and trail riding horse using both English and Western equipment. Tennessee Walkers are also seen in movies, television shows and other performances.
The breed first developed in the late 18th when Narragansett Pacers and Canadian Pacers from the eastern United States with gaited Spanish Mustangs from Texas. Other breeds were later added, and in 1886 a foal named Black Allen, now considered the foundation sire of the breed, was born. In 1935 the Tennessee Walking Horse Breeders' Association was formed, and the studbook closed in 1947. In 1939, the first Tennessee Walking Horse National Celebration was held, an annual event that in recent years has attracted considerable attention and controversy.
The two basic categories of Tennessee Walking Horse show competition are called "flat shod" and "performance", differentiated by desired leg action. Flat shod horses, wearing regular horseshoes, exhibit less exaggerated movement, while performance horses wear built-up pads or "stacks" along with other weighted action devices, creating the so-called "Big Lick" style. stacks and action devices are prohibited at shows sanctioned by the United States Equestrian Federation and some breed organizations. The Tennessee Walking Horse is the breed most affected by the Horse Protection Act of 1970, which prohibits the practice of soring, abusive practices used to enhance the Big Lick movement prized in the show ring, which still occur today despite the law. The controversy over continuing soring practices has led to a split within the breed community, criminal charges against a number of individuals, and the creation of several separate breed organizations.
Breed characteristics 
The modern Tennessee Walking Horse is described as "refined and elegant, yet solidly built." It is a tall horse with a long neck. The head is well-defined, with small, well-placed ears. The breed averages 14.3 to 17 hands (59 to 68 inches, 150 to 173 cm) high and 900 to 1,200 pounds (410 to 540 kg). The shoulders and hip are long and sloping, with a short back and strong coupling. The hindquarters are of "moderate thickness and depth," well-muscled, and it is acceptable for the hind legs to be slightly over-angulated, cow-hocked or sickle-hocked.
They are found in all solid colors, and several pinto patterns. Common colors such as bay, black and chestnut are found, as are colors caused by dilution genes such as the dun, champagne, cream and silver dapple genes. Pinto patterns include overo, sabino and tobiano. The Tennessee Walking Horse has a reputation for having a calm disposition and a naturally smooth riding gait.  While the horses are famous for flashy movement, they are popular for trail and pleasure riding as well as show.
The Tennessee Walking Horse is best known for its "running walk". This is a four-beat gait with the same footfall pattern as a regular, or flat, walk, but significantly faster. While a horse performing a flat walk moves at 4 to 8 miles per hour (6.4 to 13 km/h), the running walk allows the same horse to travel at 10 to 20 miles per hour (16 to 32 km/h). In the running walk, the horse's rear feet overstep the prints of its front feet by 6 to 18 inches (15 to 46 cm), with a longer overstep being more prized in the Tennessee Walking Horse breed. While performing the running walk, the horse nods its head in rhythm with its gait. Besides the flat and running walks, the third main gait performed by Tennessee Walking Horses is the canter. Some members of the breed perform other variations of lateral ambling gaits, including the rack, stepping pace, fox trot and single-foot, which are allowable for pleasure riding but penalized in the show ring. A few Tennessee Walking Horses can trot, and have a long, reaching stride.
The Tennessee Walker originated from Narragansett Pacer and Canadian Pacer horses brought to Kentucky starting in 1790, crossed with gaited Spanish Mustangs imported from Texas. These horses were bred on the limestone pastures of central Tennessee, and originally known as "Tennessee Pacers". Originally used as all-purpose horses on farms and plantations, they were used for riding, pulling and racing. They were known for their smooth gaits and sure-footedness on the rocky Tennessee terrain. Morgan, Standardbred, Thoroughbred and American Saddlebred blood was also added to the breed.
In 1886, Black Allen (later known as Allan F-1) was born. By the stallion Allendorf (from the Hambletonian family of Standardbreds) and out of a Morgan mare named Maggie Marshall, he became the foundation sire of the Tennessee Walking Horse breed. A failure as a trotting horse, due to his insistence on pacing, he was instead used for breeding. From his line, a foal named Roan Allen was born in 1904. Able to perform several ambling gaits, Roan Allen became a successful show horse, and in turn sired several famous Tennessee Walking Horses.
The Tennessee Walking Horse Breeders' Association was formed in 1935, with the name changed to the current Tennessee Walking Horse Breeders' and Exhibitors' Association (TWHBEA) in 1974. The stud book was closed in 1947, meaning that since that date every Tennessee Walker must have both parents registered to be eligible for registration. In 1950, the United States Department of Agriculture recognized the Tennessee Walking Horse as a distinct breed. In 2000, the Tennessee Walking Horse was named the official state horse of the US state of Tennessee. It is the third most common breed in Kentucky, behind the Thoroughbred and the American Quarter Horse. As of 2005, 450,000 horses have been registered over the life of the TWHBEA, with annual registrations of 13,000–15,000 new foals. While the Tennessee Walking Horse is most common in the southern and southeastern US, it is found throughout the country.
The Tennessee Walker is noted for its appearance in horse show events, particularly performances in saddle seat-style English riding equipment, but is also a very popular trail riding horse. Some are used for endurance riding, and to promote this use the TWHBEA maintains an awards program in conjunction with the American Endurance Ride Conference. The breed has also been seen in television, movies and other performing events. The Lone Ranger's horse "Silver" was at times played by a Tennessee Walker, and "Trigger, Jr.", the successor to the original "Trigger" made famous by Roy Rogers, was played by a Tennessee Walker named Allen's Gold Zephyr. The position of mascot of the University of Southern California Trojans, Traveler, was held at various times by a purebred Tennessee Walking Horse, and by a Tennessee Walker/Arabian cross. In the 20th century, the Tennessee Walking Horse was crossed with Welsh ponies to create the American Walking Pony, a gaited pony breed.
Horse shows 
The two basic categories of Tennessee Walking Horse show competition are called "flat shod" and "performance." Flat-shod horses compete in many different disciplines under both western and English tack. At shows where both divisions are offered, the flat-shod "plantation pleasure" division is judged on brilliance and show presence of the horses while still being well mannered, balanced, and manageable. "Park pleasure" is the most animated of the flat-shod divisions. Flat-shod horses are shown in ordinary horseshoes, and are not allowed to use pads or action devices, though their hooves are sometimes trimmed to a slightly lower angle with more natural toe than seen on stock horse breeds. Performance horses, sometimes called "padded" or "built up," exhibit a very flashy and animated gaits, lifting their forelegs high off the ground with each step. This exaggerated action is sometimes called the "Big Lick." Horses and riders show in saddle seat attire and tack. Horses are shod in double and triple-nailed pads, which are sometimes called "stacks." This form of shoeing is prohibited at shows governed by the National Walking Horse Association (NWHA), and the United States Equestrian Federation (USEF).
Horses in western classes wear equipment similar to that used by other breeds in western pleasure classes, and exhibitors may not mix English and Western-style equipment. Riders must wear a hat or helmet in western classes. Tennessee Walkers are also shown in both pleasure and fine harness driving classes, with grooming similar to the saddle seat horses. Tennessee Walking horses are typically shown with a long mane and tail. Artificially set tails are seen in "performance" classes, on full-grown horses in halter classes, and in some harness classes, but generally are not allowed in pleasure or flat shod competition.
In classes where horses are turned out in saddle seat equipment, it is typical for the horse to be shown in a single curb bit with a bit shank under 9-1/2 inches, rather than the double bridle more common to other saddle seat breeds. Riders wear typical saddle seat attire. Hats are not mandatory, but use of safety helmets is allowed and ranges from strongly encouraged to required in children's classes.
Horse Protection Act 
The showing, exhibition and sale of Tennessee Walking Horses and some other gaited breeds is governed by the Horse Protection Act of 1970 (HPA) due to concerns about the practice of soring, which developed during the 1950s and became widespread in the 1960s, resulting in a public outcry. Congress passed the Horse Protection Act in 1970, declaring the practice "cruel and inhumane". The Act prohibits anyone from entering a sored horse into a show, sale, auction or exhibition, and prohibits drivers from transporting sored horses to a sale or show. Congress delegated statutory responsibility for enforcement to the management of sales and horse shows, but placed administration of the act with the Animal and Plant Health Inspection Service (APHIS) of the United States Department of Agriculture (USDA). Violations of the HPA may result in criminal charges, fines and prison sentences. The USDA certifies certain Horse Industry Organizations (HIOs) to train and license Designated Qualified Persons (DQPs) to complete inspections. APHIS inspection teams, which include inspectors, investigators, and veterinary medical officers, also conduct unannounced inspections of some horse shows, and have the authority to revoke the license of a DQP who does not follow the standards of the Act.
Soring is defined by the HPA with four meanings: "(3)(A) an irritating or blistering agent has been applied, internally or externally, by a person to any limb of a horse, (B) any burn, cut, or laceration has been inflicted by a person on any limb of a horse, (C) any tack, nail, screw, or chemical agent has been injected by a person into or used by a person on any limb of a horse, or (D) any other substance or device has been used by a person on any limb of a horse or a person has engaged in a practice involving a horse, and, as a result of such application, infliction, injection, use, or practice, such horse suffers, or can reasonably be expected to suffer, physical pain or distress, inflammation, or lameness when walking, " Action devices, which remain legal but are often used in conjunction with illegal soring practices, are defined in the Code of Federal Regulations as "any boot, collar, chain, roller, or other device which encircles or is placed upon the lower extremity of the leg of a horse in such a manner that it can either rotate around the leg, or slide up and down the leg so as to cause friction, or which can strike the hoof, coronet band or fetlock joint." Between 1978 and 1982, research was undertaken by Auburn University as to the effect of applications of chemical and physical irritants to the legs of Tennessee Walking Horses. The study found that chains of any weight used in combination with chemical soring produced lesions and pain in horses. However, chains of 6 ounces or lighter, used on their own, produced no pain, tissue damage or thermographic changes.
Soring can be detected by observing the horse for lameness, assessing its stance and palpating the lower legs. Some trainers trick inspectors by training horses not to react to the pain that palpation may cause, often by severely punishing the horse for flinching when the sored area is touched. The practice is sometimes called "stewarding," in reference to the horse show steward. Some trainers use topical anesthetics, which are timed to wear off before the horse goes into the show ring. Pressure shoeing is also used, eliminating use of chemicals altogether. Trainers who sore their horses have been observed leaving the show grounds when they find that the more stringent federal inspection teams are present. Although illegal under federal law for over 40 years, soring is still practiced and criminal charges have been filed against people who violate the Act. Enforcement of the HPA is difficult, due to limited inspection budgets and problems with lax enforcement by inspectors who are hired by the shows they were to police. As a result, while in 1999 there were eight certified HIOs, by 2010, only three organizations remained certified as HIOs, all known to be actively working to end soring.
Show rules and organizations 
Controversies over shoeing rules, concerns about soring and the breed industry's compliance with the Horse Protection Act has resulted in the development of multiple governing organizations. The breed registry is kept by the TWHBEA which promotes all riding disciplines within the breed, but does not sanction horse shows. The USEF does not currently recognize or sanction any Tennessee Walking Horse shows. In 2013 it also banned the use of action devices and stacks at any time in any class.
Another organization, the Tennessee Walking Horse Heritage Society, is a group dedicated to the preservation of the original Tennessee Walker bloodlines, mainly for use as trail and pleasure horses, rather than for showing. Horses listed by the organization descend from the foundation bloodstock registered by the TWHBEA, and pedigrees may not include horses shown with stacks post-1976.
Two organizations have formed to promote the exhibition of flat shod horses. The NWHA promotes only naturally-gaited horses in its sanctioned horse shows, has its own rule book, and is the official USEF affiliate organization for the breed. The NWHA is in the process of building its own "tracking registry" to document both pedigree and performance achievements of horses recorded there. These include the Spotted Saddle horse and Racking horse breeds as well as the Tennessee Walker. The NWHA sanctions horse shows and licenses judges, and is an authorized HIO. The other organization, Friends of Sound Horses (FOSH), also promotes exhibition of flat shod and barefoot horses, licenses judges for both pleasure classes and gaited dressage, promotes use of gaited horses in distance riding and sport horse activities, and is an authorized HIO.
Two organizations promulgate rules for horse shows where action devices are allowed, the Walking Horse Owners Association (WHOA) and "S.H.O.W" ("Sound horses, Honest judging, Objective inspections, Winning fairly") which now regulates the Tennessee Walking Horse National Celebration. The Celebration, in Shelbyville, Tennessee, has been held each August since 1939, and is considered the showcase competition for the breed. However, in recent years the Celebration has attracted large amounts of attention and controversy due to the concerns about violations of the Horse Protection Act.
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- USDA Horse Protection Program
- Natural Walking Horses
- TWHAWC – Tennessee Walking Horse Association of Western Canada
- Tennessee Walking Horse Heritage Society