List of extensors of the human body
In anatomy, extension is a movement of a joint that increases the angle between two bones or body surfaces at a joint. Extension usually results in straightening of the bones or body surfaces involved. For example, extension is produced by extending the flexed (bent) elbow. Straightening of the arm would require extension at the elbow joint. If the head is tilted all the way back, the neck is said to be extended.
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Extensor muscles
Upper limb
- of arm at shoulder[1]
- Axilla and shoulder
- of forearm at elbow[2]
- of hand at wrist[3]
- of phalanges, at all joints
- Posterior compartment of the forearm
- Extensor digitorum
- Extensor digiti minimi (little finger only)
- Extensor indicis (index finger only)
- Posterior compartment of the forearm
- of phalanges, at interphalangeal joints[4]
- of thumb[5]
- Extensor pollicis brevis (proximal phalange)
- Extensor pollicis longus (distal phalange)
Hip
Knee
See also
References
- Shoulder Articulations, ExRx.net
- Elbow Articulations, ExRx.net
- Wrist Articulations, ExRx.net
- Finger Articulations, ExRx.net
- Thumb Articulations, ExRx.net
- Hip Articulations, ExRx.net
- Knee Articulations, ExRx.net
- Foot Articulations, ExRx.net
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