Anatomical structures involved in AC joint sprains
Question
What anatomical structures are involved in an AC joint sprain, and how does massage therapy treat them?
Answer
An acromioclavicular (AC) joint sprain involves injury to the ligaments surrounding the joint between the clavicle and acromion. Key ligaments injured include AC ligaments as well as coracoclavicular ligaments attaching the clavicle to coracoid process. This allows abnormal motion causing pain.
Muscles affected include all shoulder girdle muscles like the rotator cuff, deltoids, trapezius, levator scapulae, and serratus anterior, as their attachments are disrupted. Massage therapy helps by addressing muscle trigger points from compensating and releases scar tissue to maintain mobility. Techniques depend on injury grade and individual presentation but focus on supporting structures around injured ligaments. Goals include maintaining strength, preventing atrophy, restoring neuromuscular control, and managing pain/swelling during the healing process.
Portia B. Resnick
PhD, ATC, BCTMB
Topics
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