Nerve activates contraction
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Transcript Nerve activates contraction
PowerPoint® Lecture Slide Presentation
by Patty Bostwick-Taylor,
Florence-Darlington Technical College
Muscles
of the
Hips and
Legs
6
PART C
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Hips/Thigh
Gluteus maximus—hip extension
Gluteus medius—hip abduction, steadies pelvis when
walking
Iliopsoas—hip flexion, keeps the upper body from falling
backward when standing erect
Adductor muscles—adduct the thighs
Sartorious—thigh flexion
Quadriceps group—knee extension/thigh flexion
Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius
Hamstring group—thigh extension and knee flexion
Biceps femoris, Semimembranosus, Semitendinosus
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Hip, Thigh
Figure 6.19a
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Lower Limb
Muscles causing movement at ankle and foot
Tibialis anterior—dorsiflexion and foot inversion
Extensor digitorum longus—toe extension and
dorsiflexion of the foot
Fibularis muscles—plantar flexion, everts the foot
Soleus—plantar flexion
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Muscles of the Lower Limb
Figure 6.20a
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings