Frontal, Lateral Compartment of the Leg and Dorsum Foot PDF

Tibialis Anterior & Extensor Digitorum Longus dicine – ‫كلية الطب‬ C o ll Peroneus Tertius, & Extensor Hallucis Longus e g e o f Muscle Origin Insertion Action M e Peroneus Anterior Base of Dorsi flex foot d tertius surface of 5th at ankle jo...

Tibialis Anterior & Extensor Digitorum Longus dicine – ‫كلية الطب‬ C o ll Peroneus Tertius, & Extensor Hallucis Longus e g e o f Muscle Origin Insertion Action M e Peroneus Anterior Base of Dorsi flex foot d tertius surface of 5th at ankle joint; ic shaft of metata Everts foot at i fibula rsal subtalar and n bone transverse e tarsal joints – ‫ك‬ ‫ل‬ ‫ية‬ ‫ا‬ ‫ل‬ ‫ط‬ ‫ب‬  A thickening of deep fascia that keep the long tendons around ankle joint in position Superior Extensor retinaculum : Attached to anterior dicine – ‫كلية الطب‬ borders of tibia & fibula above ankle Inferior Extensor retinaculum: Y-shaped band located inferior to ankle C o ll e g e From medial to lateral: o f 1.Tom M e (Tibialis anterior) d 2.Has ic i Extensor Hallucis longus n e 3.Very (vessels) – Dorsalis pedis vessels ‫ك‬ ‫ل‬ 4.Nice ( nerve) ‫ية‬ Deep peroneal nerve ‫ا‬ ‫ل‬ 5.Dog ‫ط‬ Extensor Digitorum longus ‫ب‬  MUSCLES NERVE BLODD SUPPLY PERONEUS Superficial Peroneal A LONGUS Peroneal PERONEUS BREVIS dicine – ‫كلية الطب‬ Loading… Action: Plantar flexion & Eversion C o Peroneus Longus ll e g e o Action f Origin Insertion M Lateral surface Base of first Plantar flexes e of shaft of metatarsal & foot at ankle d fibula the medial joint; ic cuneiform Everts foot at i (Insertion of?) subtalar and n e transverse – tarsal joints. ‫ك‬ ‫ل‬ ‫ية‬ ‫ا‬ ‫ل‬ ‫ط‬ ‫ب‬  Peroneus Brevis Origin Insertion Action Lateral Base of fifth Plantar flexes surface of metatarsal foot at ankle shaft of fibula bone joint; (Insertion of?) Everts foot at subtalar and transverse tarsal joint. dicine – ‫كلية الطب‬ C o ll e g e MUSCLE BLODDD NERVE o VESSEL f M e Extensor Dorsalis DEEP & d Digitorum Pedis Superficial ic Brevis Peroneal i n e – ‫ك‬ ‫ل‬ ‫ية‬ ‫ا‬ ‫ل‬ ‫ط‬ ‫ب‬  Origin Insertion Action Anterior part of upper four tendons into the Extend toes surface of the Calcaneum proximal phalanx of big toe & from the Inferior (ex hall brevis) and second, extensor retinaculum third, and fourth toes dicine – ‫كلية الطب‬ C o ll e g e The tendons of Extensor digitorum o longus pass to the lateral four toes. f Each tendon to the 2nd , 3rd & 4th M toes is joined on its lateral side by a e tendon of Extensor digitorum d brevis. ic The extensor tendons form i a Fascial Expansion (Extensor n Expansion) on the dorsum of each toe. e The expansion divides into (3) parts. – Central part: inserted into the Base ‫ك‬ of Middle ph. ‫ل‬ Two Lateral parts: inserted into the Base of Distal ph. ‫ية‬ The (Extensor Expansion) receives ‫ا‬ insertion of : ‫ل‬ Interossei & Lumbrical muscles. ‫ط‬ ‫ب‬  Tibialis anterior Extensor hallucis longus (Both have their own synovial sheath) Extensor digitorum longus & dicine – ‫كلية الطب‬ peroneus tertius : have a common sheath, it extends to the level of Base of 5th Metatarsal bone. C o ll e g e o f Gray's Anatomy for Students- Second edition. M e d Clinically Oriented Anatomy , Keith L. Moore- Sixth ic i edition. n e – ‫ك‬ Netter’s Clinical Anatomy, Second edition. ‫ل‬ ‫ية‬ ‫ا‬ ‫ل‬ ‫ط‬ ‫ب‬ 0