Superficial group: Gistrocnemila: Gastrocnemius m. fiabel: I is the most buperficiad of the potserior leg muscies. if has two keade. a latarai and a medial, which arse bom the inailal Soleus gastrocnemius ante the calcaneal tendon, attaching distaly to the calcaneus bores. The soleus muscle athaches provimaly to the phia and fbula. As a resdt. unlike gastrocnemius, scleus does not cross the posterior aspect of the knee joint. Dorsum of Foo4 The muscies of the dorstam inctude the dextensor halucis beevis m and the extensor dejghorum brevis m.. The extensor halucis brevis m. atabel. dextends the joint betwoen the frst metatarsal and the phalanges of dight 1 . The extensor digherum brevis is 3 akbelt two bremis' muscles are the shorter wersion of the longust muscles lacated in the anterior leg compartmen. Notice tiow the tendons of these musces do not attach to a distal phalanx like the lendans of the longus mbseles of the anterior leg. it is also interestrog that extensor dgitorum brevis orisy ataches to digth. 2 4 , rather than 2.5 . QUESTION 14 Labeling Pre-Lab: Foot Muscles a Associated Structures Pantar foot with Labeis A shroveh C Plantar Foot Plantar Foot The plantar muscies are numorous. The anatony of the plantar foot is mippored euperficialy by the plantar aponeurotis thabeli foot, a cuntinuation of the crual fascia that surounded the three comparterents af ine lag. the plantar apomesirosis The layer immediateiy deep to the plantar aponeurosis is made up af thee muscles. The abductor halucis ruacie mbourcti the hilive, of grait kas Thin abductor digti minimi muscle abducts the smal digit, or digit 5 . The flexor digitorum brevis muscle fubet: fwass digls 2.5 the feacer delichen. brevis muscle is the shorter vereion of the flexar digitorum langus muscle of the deep pestenor leg (Le. Dick" of the Tem, Dick, an Hany aurerm. The second layer consists of a four-sided muscie and four lumbricals. The four-sided muscie is the quadrabus plantae. This miscle spars from the calcynevs to the tendon of the flexor digtorum longus m. that is pating through the deep loot (from the potherioe legk. More arlenor are the four lumbicals (Label: 1. The attachments of the four lumbicals are interesting. Each kurbbicat attaches proximaly to a wendon of fexor digterum iongus and distaly to the tendinous sheaths of extensor dig torum longus (on the olher side of the fool) dL Fleror Retinacanium As the tendors of three of the deep poaterior leg muscles cenrse around the medial maliectus (Label a fiexoe retsaculum (Labst I holds tham in place. firmly apainat the bones of the ankle The flexar rebinaculum is a paelerior thickenryg of the deep fascas of tha keg (crurai tasea). The spoce behwoen the fiaxor retinaculum and the bones of the foet is the tarkal bunnal. Extensor Retinacula retinacula are inferior thickenings of the deep fascia of the leg (crural fascia)..

1. Superficial group: Gistrocnemila: Gastrocnemius m. fiabel: I is the most buperficiad of the
potserior leg muscies. if has two keade. a latarai and a medial, which arse bom the inailal Soleus
gastrocnemius ante the calcaneal tendon, attaching distaly to the calcaneus bores. The soleus
muscle athaches provimaly to the phia and fbula. As a resdt. unlike gastrocnemius, scleus does
not cross the posterior aspect of the knee joint. Dorsum of Foo4 The muscies of the dorstam
inctude the dextensor halucis beevis m and the extensor dejghorum brevis m.. The extensor
halucis brevis m. atabel. dextends the joint betwoen the frst metatarsal and the phalanges of dight
1 . The extensor digherum brevis is 3 akbelt two bremis' muscles are the shorter wersion of the
longust muscles lacated in the anterior leg compartmen. Notice tiow the tendons of these musces
do not attach to a distal phalanx like the lendans of the longus mbseles of the anterior leg. it is
also interestrog that extensor dgitorum brevis orisy ataches to digth. 2 4 , rather than 2.5 .
QUESTION 14 Labeling Pre-Lab: Foot Muscles a Associated Structures Pantar foot with Labeis
A shroveh C Plantar Foot Plantar Foot The plantar muscies are numorous. The anatony of the
plantar foot is mippored euperficialy by the plantar aponeurotis thabeli foot, a cuntinuation of the
crual fascia that surounded the three comparterents af ine lag. the plantar apomesirosis The layer
immediateiy deep to the plantar aponeurosis is made up af thee muscles. The abductor halucis
ruacie mbourcti the hilive, of grait kas Thin abductor digti minimi muscle abducts the smal digit,
or digit 5 . The flexor digitorum brevis muscle fubet: fwass digls 2.5 the feacer delichen. brevis
muscle is the shorter vereion of the flexar digitorum langus muscle of the deep pestenor leg (Le.
Dick" of the Tem, Dick, an Hany aurerm. The second layer consists of a four-sided muscie and
four lumbricals. The four-sided muscie is the quadrabus plantae. This miscle spars from the
calcynevs to the tendon of the flexor digtorum longus m. that is pating through the deep loot
(from the potherioe legk. More arlenor are the four lumbicals (Label: 1. The attachments of the
four lumbicals are interesting. Each kurbbicat attaches proximaly to a wendon of fexor digterum
iongus and distaly to the tendinous sheaths of extensor dig torum longus (on the olher side of the
fool) dL Fleror Retinacanium As the tendors of three of the deep poaterior leg muscles cenrse
around the medial maliectus (Label a fiexoe retsaculum (Labst I holds tham in place. firmly
apainat the bones of the ankle The flexar rebinaculum is a paelerior thickenryg of the deep fascas
of tha keg (crurai tasea). The spoce behwoen the fiaxor retinaculum and the bones of the foet is
the tarkal bunnal. Extensor Retinacula retinacula are inferior thickenings of the deep fascia of the
leg (crural fascia).