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