WordNet

come into the company of; "She joined him for a drink"
cause to become joined or linked; "join these two parts so that they fit together" (同)bring together
make contact or come together; "The two roads join here" (同)conjoin
become part of; become a member of a group or organization; "He joined the Communist Party as a young man" (同)fall_in, get together
united or combined; "a joint session of Congress"; "joint owners"
marijuana leaves rolled into a cigarette for smoking (同)marijuana cigarette, reefer, stick, spliff
a disreputable place of entertainment
junction by which parts or objects are joined together
(anatomy) the point of connection between two bones or elements of a skeleton (especially if it allows motion) (同)articulation, articulatio
provide with a joint; "the carpenter jointed two pieces of wood" (同)articulate
affecting or involving two or more; "joint income-tax return"; "joint ownership"
fasten with a joint
fit as if by joints; "The boards fit neatly"
involving both houses of a legislature; "a joint session of Congress"
separate (meat) at the joint
the act of bringing two things into contact (especially for communication); "the joining of hands around the table"; "there was a connection via the internet" (同)connection, connexion
having joints or jointed segments;

PrepTutorEJDIC

〈二つ以上のもの〉‘を'『つなぐ』,結合する《+『名』+『together』(『up』)》;(…に)…‘を'つなぐ《+『名』+『to』(『onto』)+『名』》 / (線などで)〈二つ以上のもの〉‘の'間を結ぶ(つなぐ)《+『名』+『by』(『with』)+『名』》 / (友情・結婚などで)〈人〉‘を'結びつける《+『名』+『in』+『名』》 / 〈川・道などが〉…‘と'いっしょになる,合流する / 〈会など〉‘に'『加入する』 / (…で)〈人〉‘の'『仲間に入る』,‘と'いっしょになる《+『名』〈人〉+『in』(『for』)+『名』,+『名』〈人〉+『in』do『ing』》 / (…に)『加わる』《+『in』+『名』〈事〉/+『in』『with』+『名』〈人〉》 / (人と…を)『ともにする』《+『with』+『名』〈人〉+『in』+『名』(doing)》 / 〈川・道などが〉『いっしょになる』,合流する / 接合箇所(点,面,線);継ぎ目
『関節』 / 『継ぎ目』,接合箇所,合わせ目 / 継ぎ目と継ぎ目の間の部分,節 / (二つの部分を継いだり支えたりするのに用いる)継ぎ手,ジョイント / (枝や葉の)つけ根,節 / (骨付きの)肉の大切り身 / 《俗》安酒場,とばく宿,アヘン窟(くつ) / 『共同の』,共有の;連帯の,連合の / 両院合同の;二院制議会の両院の / …‘を'継ぎ合わせる;…‘を'継ぎ目(関節)でつなぐ / …‘を'継ぎ目で分ける;〈鳥・肉など〉‘を'関節で切り分ける
継ぎ目のある;関節のある

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/05/30 17:52:15」(JST)

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In human anatomy, the subtalar joint, also known as the talocalcaneal joint, is a joint of the foot. It occurs at the meeting point of the talus and the calcaneus.

Motion

The joint allows inversion and eversion of the foot, but plays no role in dorsiflexion or plantarflexion of the foot.^[1]

It is considered a plane synovial joint,^[2] also commonly referred to as a condyloid joint.

The subtalar joint can also be considered a combination of the anatomic subtalar joint discussed above, and also the talocalcaneal part of the talocalcaneonavicular joint. This is the more common view of the subtalar joint when discussing its movement. When both of these articulations are accounted together, it allows for pronation and supination to occur.

Relation of bones

The talus is oriented slightly obliquely on the anterior surface of the calcaneus.

There are two points of articulation between the two bones: one anteriorly and one posteriorly:

At the anterior talocalcaneal articulation, a concave area of the talus fits on a convex surface of the calcaneus.^[3]
The posterior talocalcaneal articulation is formed by a concave surface of the talus and a convex surface of the calcaneus.

The subtalar joint contributes to 10% of dorsiflexion of the ankle. There are three articulating facets between the talus and the calcaneus, delineated as the anterior, middle and posterior facets. The sustentaculum tali forms the floor of middle facet, and the anterior facet articulates with the head of the talus, and sits lateral and congruent to the middle facet. The posterior facet is the largest of the three, and separated from the others by the tarsal canal.

Ligaments and membranes

The main ligament of the joint is the interosseous talocalcaneal ligament, a thick, strong band of two partially joined fibers that bind the talus and calcaneus. It runs through the sinus tarsi, a canal between the articulations of the two bones.

There are four additional ligaments that form weaker connections between the talus and calcaneus.

The anterior talocalcaneal ligament (or anterior interosseous ligament) attaches at the neck of the talus on the front and lateral surfaces to the superior calcaneus.
The short band of the posterior talocalcaneal ligament extends from the lateral tubercle of the talus to the upper medial calcaneus.
The short, strong lateral talocalcaneal ligament connects from the lateral talus under the fibular facet to the lateral calcaneus, and runs parallel to the calcaneofibular ligament.
The medial talocalcaneal ligament extends from the medial tubercle of the talus to the sustentaculum tali on the medial surface of the calcaneus.

A synovial membrane lines the capsule of the joint, and the joint is wrapped in a capsule of short fibers that are continuous with the talocalconeonavicular and calcaneocuboid joints of the foot.

Sources

^ Kyung Won, PhD. Chung (2005). Gross Anatomy (Board Review). Hagerstown, MD: Lippincott Williams & Wilkins. p. 123. ISBN 0-7817-5309-0.
^ Moore and Agur. Essential Clinical Anatomy. Lippincott Williams and Wilkins. 2007. ISBN 978-0-7817-6274-8
^ http://www.physio-pedia.com/images/c/c0/Principles_of_Joint_Mobilization.pdf

Calais-Germain, Blandine. "Anatomy of Movement", Eastland Press, 1993. ISBN 0-939616-17-3
Anatomy of the Human Body, Henry Gray, 1918

Additional images

Skeleton of foot. Medial aspect.
Skeleton of foot. Lateral aspect.
Coronal section through right talocrural and talocalcaneal joints.
Talocalcaneal and talocalcaneonavicular articulations exposed from above by removing the talus.

External links

Sub_talar_joint at the Duke University Health System's Orthopedics program
‹The template EMedicineDictionary is being considered for deletion.› Subtalar+joint at eMedicine Dictionary

UpToDate Contents

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1. 若年アスリートにおける足部および足関節の疼痛評価 evaluation of foot and ankle pain in the young athlete
2. 重度の関節リウマチに対する全関節置換術 total joint replacement for severe rheumatoid arthritis
3. 筋骨格系超音波検査：関節およびその他の構造のガイド下での注射および吸引 musculoskeletal ultrasonography guided injection and aspiration of joints and related structures
4. 離断性骨軟骨炎（OCD）の臨床症状および診断 clinical manifestations and diagnosis of osteochondritis dissecans ocd
5. 関節吸引：ドライタップ joint aspiration the dry tap

English Journal

Subtalar joint stress imaging with tomosynthesis.

Teramoto A1, Watanabe K, Takashima H, Yamashita T.
Foot & ankle specialist.Foot Ankle Spec.2014 Jun;7(3):182-4. doi: 10.1177/1938640014527124. Epub 2014 Mar 30.
The purpose of this study was to perform stress imaging of hindfoot inversion and eversion using tomosynthesis and to assess the subtalar joint range of motion (ROM) of healthy subjects. The subjects were 15 healthy volunteers with a mean age of 29.1 years. Coronal tomosynthesis stress imaging of th
PMID 24686905

Open talar dislocations without associated fractures.

Karampinas PK1, Kavroudakis E2, Polyzois V2, Vlamis J2, Pneumaticos S2.
Foot and ankle surgery : official journal of the European Society of Foot and Ankle Surgeons.Foot Ankle Surg.2014 Jun;20(2):100-4. doi: 10.1016/j.fas.2013.12.005. Epub 2014 Jan 3.
AIM: Total dislocation of the talus first reported in 1680. It is a rare injury and without associated fractures is even rarer. Is generally considered to be one of the most disabling ankle injuries and occurs after high energy trauma. The primary goal of our study is the retrospective evaluation of
PMID 24796827

External fixation of the thalamic portion of a fractured calcaneus: A new surgical technique.

Bégué T1, Mebtouche N2, Auregan JC2, Saintyves G2, Levante S2, Cottin P2, Masquelet AC3.
Orthopaedics & traumatology, surgery & research : OTSR.Orthop Traumatol Surg Res.2014 Jun;100(4):429-32. doi: 10.1016/j.otsr.2014.01.008. Epub 2014 Apr 13.
The optimal treatment for intra-articular calcaneus fractures remains controversial, despite internal fixation techniques providing good results. The major point of contention is the need to reconstruct the overall morphology versus to restore the anatomy of the subtalar joint perfectly. We will des
PMID 24736015

Japanese Journal

開張率と開張角の信頼性と開張足の診断基準値と障害予防の検討

清水新悟,長井力,元田英一,大日方五郎
スポーツ産業学研究 23(1), 1_11-1_17, 2013
… There were many cases of second metatarsal bone pain and first metatarsal bone pain.<BR> Prediction of degradation mechanisms of the arch could be made on the basis of flat foot with talus sliding down by the subtalar joint pronation and pushing the adjacent navicular bone to the lower part. …
NAID 130003373606

内外側進入法からの踵骨関節内骨折の整復固定 (特集踵骨骨折の治療)

日尾有宏,長谷川惇
整形・災害外科 55(7), 871-875, 2012-06-00
NAID 40019344466

経皮ピンニング・足底挿板法による早期運動療法 : 北田法 (特集踵骨骨折の治療)

松本憲和,北田力
整形・災害外科 55(7), 847-852, 2012-06-00
NAID 40019344427

Related Pictures

★リンクテーブル★

リンク元	「距骨下関節」
関連記事	「join」「joint」「Subtalar joint」

「距骨下関節」

Subtalar joint
	Subtalar Joint
	Ligaments of the medial aspect of the foot.
Details
Latin	Articulatio subtalaris,; articulatio talocalcanea
Identifiers
Gray's	p.352
MeSH	A02.835.583.378.831.780
Dorlands; /Elsevier	a_64/12161574
TA	A03.6.10.101
FMA	35198
	Anatomical terminology