The triceps is a large muscle comprising of three heads; long, lateral and medial.
Long head Origin: the rear border of the scapula. Insertion: Olecranon (elbow) of the ulna. Function: Flexes the shoulder under concentric contraction Lateral head Origin: The lateral border of the humerus. Insertion: Olecranon (elbow) of the ulna. Function: Extend the elbow joint Medial head Origin: The medial border of the humerus. Insertion: Olecranon (elbow) of the ulna. Function: Extend the elbow joint. - Soreness: When this muscle is tight, the skin may twitch when it is being palpated, the horse may have a shortened stride and/or jump flat as shoulder flexion may be affected. A tight band of fibres and/or tightness throughout the whole muscle is usually felt when this muscle is stressed, which can be released with massage techniques such as cross fibre friction during an appointment. Shoulder extension stretches will aid in reducing tension in this muscle and improving the range of movement.
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AuthorNicole Skyrme is a fully qualified and insured Equine Sports Massage Therapist and MSc Veterinary Physiotherapy Student. Based in Buckinghamshire. Archives
July 2021
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