Retraction (kinesiology)

From Wikipedia, the free encyclopedia

Retraction is the anatomical term of motion for posterior movement of the arms at the shoulders

It is the opposite of protraction. Major muscles involved include:^[1][2]

• Rhomboid major muscle
• Rhomboid minor muscle
• Trapezius muscle

[edit] References

1. ^ Anatomy at Dartmouth shoulder/surface/scsurface4
2. ^ Scapula & Clavicle Articulations

[edit] External links

• Retraction at eMedicine Dictionary
• Photos at acefitness.org
• Photo at lhup.edu

v • d • e Joints Types fibrous: Gomphosis - Suture - Syndesmosis cartilaginous: Synchondrosis - Symphysis synovial: Plane joint - 1° (Hinge joint, Pivot joint) - 2° (Condyloid joint, Saddle joint) - 3° (Ball and socket joint) by range of motion: Synarthrosis - Amphiarthrosis - Diarthrosis Terminology Kinesiology - Anatomical terms of motion - Agonist/Antagonist Motions general: Flexion/Extension - Adduction/Abduction - Internal rotation/External rotation - Elevation/Depression specialized/upper limbs: Protraction/Retraction - Supination/Pronation specialized/lower limbs: Plantarflexion/Dorsiflexion - Eversion/Inversion Components Articular capsule (Synovial membrane, Fibrous membrane) - Synovial fluid - Bursa - Articular disk