NUR 0012 Lecture 24 Ch. 10 Muscular System Completion: Muscles of the Lower LegOutline of Last LectureI. Ch. 10 muscular system cont.A. Muscles of lower limb acting on the hipB. Muscles of lower limb acting on the leg at the kneeOutline of Current LectureI. Ch. 10 muscular system wrap upA. Muscles of lower limb acting on knee cont.B. Muscles of lower legCurrent LectureI. Ch. 10 muscular system wrap up: need to study the diagrams in slides thoroughly to know where all of the muscles are on own timeA. Muscles of lower limb acting on knee cont.1. Posterior: knee flexors, all hamstrings act to flex knee, but also aid in hip extensiona. Biceps femoris (hamstrings): flexes knee and extends thighb. Semitendinosus and semimebranosus (hamstrings group): flexes knee and extends thighB. Muscles of lower leg1. Dorsiflexors of ankle jointa. Tibialis anterior: dorsiflexes footb. Extensor digitorum: extends toes and dorsiflexes foot2. Plantarflexors of ankle jointa. Gastrocenemius: flexes knee and plantar flexes the foot, inserts into Achilles tendon1) Has medial and lateral headb. Soleus: plantar flexes the foot (most powerful), inserts into Achilles tendonThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.3. Othersa. Fibularis muscles: evert the foot and aid in dorsiflexion and plantarflexionb. Deep plantar flexors (Tom, Dick, Harry)1. Tibialis posterior2. Flexor digitorum3. Flexor
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