Hyperextension of the shoulder The hyperextension of the shoulder is a movement in which the shoulder joint extends and moves the arm compartment backwards beyond its normal range of motion. This motion includes: Deltoid muscle Triceps brachii muscle Latissimus dorsi and pectoralis major muscle #anatomy #anatomystudy #osteopathy #osteopatia #osteópata #osteopath #osteopaths #osteopathyworks #osteopathyandsport #osteopathytreatment #osteopathylife #manualtherapy #physiotherapy #softtissuetherapy