Chapter 11 Kine (Foot and Ankle)

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  1. 2 functions of the foot
    Support and Propulsion
  2. Explain phases of walking
    • Stance phase (60%)
    •   Heel-strike when landing on heel, foot in supination
    •   Midstacne immediately follows with foot moving into pronation
    •   Toe-off, foot returns to supination prior to and during push off

    Initial contact(Heel-contact), Loading response, Midstance, Terminal stance,Pre-swing (toe-off)

    • Swing phase
    •   Foot leaves ground and leg moves forward to another point
    • Initial swing, Midswing, Terminal swing
  3. walking differs from running
    • Walking -one foot always contacting ground
    • Running - one point that neither foot touching ground
  4. Ankle more stable in dorsiflexion than in plantar flexion
    • Heel 85% weight, muscles and ligaments act more as a pulley in dorsiflexion
    • upper ankle ligmanets are stronger due to being in the middle of fibula and tibia
    • Muscles immediately posterior to medial malleolus
    • Tom- Tibialis posterior
    • Dick - Flexor Diditorum longus
    • Harry - Flexor Halluces longus
  6. Diff of high ankle sprain and most common
    • High ankle involves anterior inferior tibiofibular ligament
    • takes longer to heal

    • common - stretching or tearing one or more ligaments of the lower (base ) of ankle
    • Lateral ligamentous structures
  7. What type of joint is the ankle?
    • Hinge or giglymus-type joint
  8. 3 arches of the foot and why important
    • Medial longitudinal arch - shock absorption
    • Lateral longitudinal arch - Balance
    • Transverse arch - assisting in adapting the foot to the ground
  9. Explain Plantar Fascia,  what is it important for?

    How is Plantar fasciitis relates to this?
    • Broad structure extending from medial calcaneal tuberosity to promimal phalanges of the toes
    • Assists in stablizing the medial longitudinal arch & in propelling the body forward
    • Plantar fasciitis - common painful condition involving plantar fascia
    •   caused by overuse of arches or standing too long
  10. List the muscles known as plantar flexors (8 total)
    • Gastrocnemius
    • Flexor diditorum longus
    • flexor halluciis longus
    • Preoneus longus
    • Peroneus Brevis
    • Plantaris
    • Soleus
    • Tibialis posterior
  11. List the muscles known as dorsiflexors (4 total)
    • Tibialis anterior
    • proneus teritus
    • extensor digitorum longus
    • extensor halluces longus
  12. List the muscles known as Elevators(4 total)
    • Peroneus longus
    • Peroneus brevis
    • Peroneus tertius
    • Extensor digitorum longus
  13. List the muscles known as Invertors(4 total)
    • Tibialis anterior
    • Tibialis posterior
    • Flexor digitorum longus
    • Flexor hallucis longus
  14. 3 muscle, movement, exercises

    Gastrocnemius muscle
    • Plantar flexion of ankle
    • Flexion of the knee

    exercises- Standing calf raises
  15. 3 muscle, movement, exercises

    Peroneus Tertius
    • Eversion of foot
    • Dorsiflexion of ankle

    exercises - pulling foot up toward shin
  16. 3 muscle, movement, exercises

    Soleus Muscle
    Plantar flexion of ankle

    exercises -  seated calf raises
  17. Shin splints explained
    Overtime w stress pulling of the bone, more bone grows and causes pain

    • Painful leg condition with running
    • no specific diagnosis
    • bc muscluotendionous injuries
    • involves-  tibialis posterior or medial soleus or anterior tibialis
    • Tendinitis
    • springs and long running

    Prevention - stretching plantar flexors and strengthen dorsiflexors
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Chapter 11 Kine (Foot and Ankle)
2013-04-11 13:37:18
Foot Ankle

Foot and Ankle (muscles/ bones and joints)
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