List of external rotators of the human body

Human anatomy

Part of a series of lists about
General List of human anatomical features / regions Variations Movements Systems
Structures Arteries Bones Eponymous Foramina Glands Lymphatic vessels Nerves Organs Systems Veins
Muscles Abductors Adductors Depressors Elevators Extensors Flexors External rotators Internal rotators
See also Table of epithelia of human organs Anatomical terminology Index of anatomy articles Outline of anatomy Cell types

External rotation (or extorsion or lateral rotation) is an anatomical term of motion referring to rotation away from the center of the body. The muscles of external rotation include:

Muscles

of arm/humerus at shoulder^[1]
of thigh/femur at hip ^[2]
of leg at knee^[3]
- Biceps femoris
of eyeball (motion is also called "extorsion" or excyclotorsion)^[4]
- Inferior rectus muscle
- Inferior oblique muscle

References

External links

Joints

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 synostosis 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: Joint capsule Synovial membrane Fibrous membrane Synovial fluid Synovial bursa Articular disk/Meniscus extracapsular: Ligament Enthesis

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