Protraction

From Wikipedia, the free encyclopedia

Protraction is the anatomical term of motion for anterior movement of the arms at the shoulders.

It is the opposite of retraction.

The major muscles involved include: ^[1][2]

• Serratus anterior muscle
• Pectoralis minor muscle

Protraction is the movement of an anatomical part of the body forward (anteriorly). This can include the shoulders, jaw, pelvis, etc.

[edit] References

1. ^ Anatomy at Dartmouth shoulder/surface/scsurface3
2. ^ Animation at exrx.net

[edit] External links

Look up protraction in Wiktionary, the free dictionary.

• Protraction at eMedicine Dictionary

v • d • e Joints (TA A03.0, GA 3.284) Types fibrous: Gomphosis · Suture · Syndesmosis · Interosseous membrane 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 capsular: Articular capsule (Synovial membrane, Fibrous membrane) · Synovial fluid · Synovial bursa · Articular disk/Meniscus extracapsular: Ligament · Enthesis joint navs: anat, non-congenital arthropathies/deformities/dorsopathies/soft tissue arthropathy/congenital, eponymous signs, proc

This musculoskeletal system article is a stub. You can help Wikipedia by expanding it. v • d • e