What is the name of the muscle indicated by the arrow, and what is its action'? extensor digitorum longus; extends toes O tibialis anterior; dorsiflexion O extensor digitorum longus; plantar flexion tibialis anterior, plantar flexion

Muscles that Adduct the Thigh Origin Insertion Action Adductor Longus* Adductor Magnus* Adductor Brevis* Pectineus* Gracilis* veriebe 12h Quadrt u m Pectineus (cut) Adductor Adductor lopson brevis magnus mier ecisi high Adductor -Pectines longus ongus -Greeidi magne Femur Adductor hiatus (for passage of femoral vessels) Wastu mee O- origin I- insertion (d) Adductor muscles of medial thigh Supertialmules ofaterend

Which one of the following muscles of the human calf is often absent in some people? soleus gastrocnemius O plantaris O triceps surae

ontsl bely of ep Muscles of Facial Expression Origin Insertion Action Occipitofrontalis (Epicranius) Orbicularis Oculi Orbicularis Oris Zygomaticus (no need to distinguish major/minor) Platysma Risorius Buccinator Depressor Anguli Oris Eperaia pneos Eplerars -Frental bety Cemgter apen -Oiitel bety Oarte on Levater la- penes Tempote Zygonatieus nor andae Frontal bely of epicranius ised eyebrowiwves orehea Comugator perc (angry eyebrows) Orbicularis ooul (bina) Businater- Massete Riserk Semecleidomat Orieularts ori Mertae Depresser l erton pe capta Depressor nguteri Piatyama Zygomatcus major junte) Orticulans ons pucker) Mentals (pout Platysma ense neck upertei eet theheadand ek, n ter ve (a) Actions of select facial museles

Which of the following movements among the nine muscle groups? Flexion Extension  Abduction  Adduction  All are correct.

cles of the Pelvic Girdle and Lower Limb Patella Plantaris Head of fibula Anterior view of the iliopsoas musde and the adductor group Patellar ligament b Lateral view Study the muscles of the pelvic girdle that act on the thigh and match each muscle with its PRIMARY function. • View Available Hint(s) Reset Help Brevis Piriformis liacus Gluteus maximus Gluteus minimus Psoas major Magnus Gracilis Gluteus medius Extensors Flexors Abductors Adductors Submit

Which gluteal muscle is LEAST involved in abduction of the thigh? (That is, which one has the worst mechanical advantage for thigh abduction?) Gluteus Minimus Gluteus Maximus Gluteus Medius

Muscles that Flex the Thigh at the Hip Origin Insertion Action liopsoas* (iliacus + psoas major) Sartorius* Tensor Fasciae Latae * Rectus Femoris* 12th thon verteba 12th rib Quadratus lumborum liac crest Anterior sperior dac spine Tensor fesciae latae Sth lumbi vertebra Anterier thigh lacus opsoas- Psoas major Medial thigh Pectineus Adductor longus Gracilis Quadricepe temorie Rectus femarie Adductor magnus Vastus leteralie Vastus medialis Tendon of quadriceps temoris- Patela Patelar ligament () Superticial museles of anterier and medial thigh

Muscles that Move the Leg Origin Insertion Action Hamstring muscles* (see above) Gracilis* (see above) Sartorius* Quadriceps Femoris: Rectus Femoris* Quadriceps Femoris: Vastus Medialis* Quadriceps Femoris: Vastus Lateralis* Quadriceps Femoris: Vastus Intermedius* Med Vastus lateralis long Vastus intermedius Vastus medialis mag Rectus femorie tendon (cut) Ve Patela Patellar ligament (e) Vasti group of quadriceps femoris, deep muscles of anterior thigh t w

While keeping your foot on the ground you are able to lift only your big toe due to the contraction of which of the following muscles? extensor digitorum extensor hallicus longus tibialis anterior fibularis longus