lower limb
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Questions and Answers

What is the primary action of the Fibularis Longus muscle?

  • Flexion of the toes
  • Inversion of the foot
  • Dorsiflexion of the foot
  • Plantarflexion and eversion of the foot (correct)

    • Which muscle attaches to the tuberosity on the 5th metatarsal?

  • Fibularis Brevis (correct)
  • Extensor Digitorum Longus
  • Tibialis Anterior
  • Fibularis Longus

    • Which nerve supplies the Fibularis Brevis muscle?

  • Femoral nerve
  • Superficial fibular nerve (correct)
  • Tibial nerve
  • Deep fibular nerve

    • What is the proximal attachment site of the Fibularis Longus muscle?

    <p>Head of the fibula and lateral tibial condyle</p> Signup and view all the answers

    Which muscle is primarily responsible for dorsiflexion of the foot?

    <p>Tibialis Anterior</p> Signup and view all the answers

    Which muscle is responsible for dorsiflexion and inversion of the foot?

    <p>Tibialis Anterior</p> Signup and view all the answers

    What is the nerve supply for the Extensor Digitorum Longus?

    <p>Deep fibular nerve</p> Signup and view all the answers

    Which of the following actions is NOT performed by the Extensor Hallucis Longus?

    <p>Flexion of the big toe</p> Signup and view all the answers

    What is the blood supply to the Tibialis Anterior muscle?

    <p>Anterior tibial artery</p> Signup and view all the answers

    Which muscle has a distal attachment at the base of the distal phalanx of the great toe?

    <p>Extensor Hallucis Longus</p> Signup and view all the answers

    Which muscle is responsible for flexion, abduction, and lateral rotation at the hip joint?

    <p>Sartorius</p> Signup and view all the answers

    Which artery supplies blood to the Vastus Lateralis muscle?

    <p>Lateral circumflex femoral artery</p> Signup and view all the answers

    What is the proximal attachment of the Adductor Longus?

    <p>Pubis</p> Signup and view all the answers

    Which nerve supplies the Vastus Intermedius muscle?

    <p>Femoral nerve</p> Signup and view all the answers

    Which action is performed by the Rectus Femoris?

    <p>Extension of leg at knee</p> Signup and view all the answers

    What is the distal attachment of the Sartorius muscle?

    <p>Medial surface of the tibia</p> Signup and view all the answers

    Which muscle acts as a strong adductor of the thigh?

    <p>Adductor Magnus</p> Signup and view all the answers

    Which of the following muscles has its origin at the anterior superior iliac spine?

    <p>Sartorius</p> Signup and view all the answers

    Which muscle is located laterally, forming part of the femoral triangle?

    <p>Sartorius</p> Signup and view all the answers

    What is the main action of the Vastus Medialis muscle?

    <p>Extension of leg at knee</p> Signup and view all the answers

    What is the primary action of the gastrocnemius muscle?

    <p>Plantarflexes at the ankle joint and flexes the knee</p> Signup and view all the answers

    Which nerve supplies the soleus muscle?

    <p>Tibial nerve</p> Signup and view all the answers

    Where does the plantaris muscle primarily attach distally?

    <p>Calcaneal tendon</p> Signup and view all the answers

    Which artery supplies the gastrocnemius muscle?

    <p>Sural artery and posterior tibial artery</p> Signup and view all the answers

    What is the role of the popliteus muscle?

    <p>Laterally rotates the femur on the tibia</p> Signup and view all the answers

    What is the correct distal attachment for the tibialis posterior muscle?

    <p>Navicular bone</p> Signup and view all the answers

    Which of the following muscles operates primarily to plantarflex the foot at the ankle joint?

    <p>Gastrocnemius</p> Signup and view all the answers

    What is the common feature in the blood supply for both the gastrocnemius and soleus muscles?

    <p>Sural artery</p> Signup and view all the answers

    Which structure primarily provides support to the knee joint by absorbing shock and stabilizing the joint?

    <p>Menisci</p> Signup and view all the answers

    Which muscle originates from the tendons of the flexor digitorum longus?

    <p>Lumbricals</p> Signup and view all the answers

    What is the main function of the flexor hallucis brevis?

    <p>Flexion of the metatarsophalangeal joint of the big toe</p> Signup and view all the answers

    Which ligaments are responsible for providing lateral support to the ankle joint?

    <p>Fibular collateral ligament</p> Signup and view all the answers

    Which pair of muscles is primarily involved in plantarflexion at the ankle joint?

    <p>Gastrocnemius and soleus</p> Signup and view all the answers

    What is the primary action of the Flexor Digitorum Longus?

    <p>Flexes the lateral four toes</p> Signup and view all the answers

    Which artery supplies blood to the Flexor Hallucis Longus?

    <p>Lateral plantar artery</p> Signup and view all the answers

    What is the nerve supply for the Abductor Hallucis?

    <p>Medial plantar nerve</p> Signup and view all the answers

    Which muscle acts to flex the 2nd to 5th toes?

    <p>Flexor Digitorum Brevis</p> Signup and view all the answers

    The Flexor Hallucis Longus attaches to which part of the great toe?

    <p>Base of the distal phalanx</p> Signup and view all the answers

    What action does the Abductor Digiti Minimi perform?

    <p>Abducts and flexes the small toe</p> Signup and view all the answers

    Which of the following muscles is primarily involved in maintaining the medial arch of the foot?

    <p>Abductor hallucis</p> Signup and view all the answers

    Which muscle originates from the calcaneus tuberosity and plantar aponeurosis?

    <p>Abductor hallucis</p> Signup and view all the answers

    Study Notes

    MSK, Lower Limbs - 1 & 2

    • The lecture will cover anatomical movements, bony skeleton of lower limbs, muscles (gluteal, thigh, leg & foot), joints (hip, knee, and ankle), and blood supply and nerves.

    Anatomical Movements

    • Flexion vs Extension: Movement along the sagittal plane
    • Abduction vs Adduction: Movement in the coronal plane away from or towards the midline
    • Lateral rotation vs Medial rotation: Movement of the anterior surface of the thigh away from or towards the midline

    Bones of the Lower Limbs

    • Diagram showing the overall view of the lower limb skeletal system:
      • Bones and joints of the lower limb: Hip, Hip joint, Thigh, Knee, Leg, Ankle, Foot
      • Detailed hip bone views (lateral and medial)
      • Detailed femur anatomy (with specific landmarks)
      • Detailed tibia and fibula anatomy -Detailed foot anatomy (superior, lateral, and medial views)

    Muscles of the Hip Region & Thigh

    • Diagram showing muscles of the hip region and thigh:
    • specific muscles, including: Psoas major, Psoas minor, Iliacus, Tensor Fascia Latae, Pectineus.
    • Table with information on muscles:
      • Proximal attachment
      • Distal attachment
      • Nerve supply
      • Blood supply
      • Action of each muscle

    Gluteal Region Muscles

    • Diagram with muscles included: Gluteus maximus, Gluteus medius, Gluteus minimus, Piriformis, Superior Gemelli, Obturator Internus, Inferior Gemelli, Quadratus Femoris
    • Table with information on muscles:
      • Proximal attachment
      • Distal attachment
      • Nerve supply
      • Blood supply
      • Muscle actions

    Thigh Anterior Compartment Muscles

    • Diagram with muscles included: Sartorius, Rectus Femoris, Vastus Lateralis, Vastus Intermedius, and Vastus Medialis.
    • Detailed information in Table format covering:
      • Proximal attachment
      • Distal attachment
      • Nerve supply
      • Blood supply
      • Muscle actions

    Thigh Medial Compartment Muscles

    • Diagram with muscles included: Adductor Brevis, Adductor Longus, Adductor Magnus, Gracilis.
    • Detailed information in Table format covering:
      • Proximal attachment
      • Distal attachment
      • Nerve supply
      • Blood supply
      • Muscle actions

    Thigh Posterior Compartment Muscles

    • Diagram with muscles included: Vastus Lateralis, Biceps Femoris, Semitendinosus, and Semimembranosus, Gracilis, and Adductor Magnus
    • Detailed information in Table format covering:
      • Proximal attachment
      • Distal attachment
      • Nerve supply
      • Blood supply
      • Muscle actions

    Leg Anterior Compartment Muscles

    • Diagram with muscles included: Tibialis Anterior, Fibularis Longus, Fibularis Tertius,Extensor Retinaculum, Gastrocnemius, Extensor Digitorum Longus, Extensor Hallucis Longus
    • Detailed information in Table format covering:
      • Proximal attachment
      • Distal attachment
      • Nerve supply
      • Blood supply
      • Muscle actions

    Leg Posterior Compartment (superficial) Muscles

    • Diagram with muscles included: Gastrocnemius, Soleus, Plantaris
    • Detailed information in Table format covering:
      • Proximal attachment
      • Distal attachment
      • Nerve supply
      • Blood supply
      • Muscle actions

    Leg Posterior Compartment (deep) Muscles

    • Diagram with muscles included: Popliteus, Tibialis posterior, Flexor Digitorum Longus, Flexor Hallucis Longus(detailed diagram and table format)
    • Detailed information in Table format covering:
      • Proximal attachment
      • Distal attachment
      • Nerve supply
      • Blood supply
      • Muscle actions

    Ankle Joint

    • Images and information on the ankle joint's medial and lateral ligaments

    Subtalar Joint Movements

    • Information and images on the inversion and eversion movements of the subtalar joint

    Toe Movements

    • Images and information on toe flexion and extension

    Arches of the Foot

    • Description of the transverse and longitudinal arches

    Footprints: Normal, Flatfoot, and High Arch

    • Illustrations and descriptions of different foot types

    Arterial Blood Supply

    • Detailed diagrams and information covering blood vessels (e.g., common iliac, femoral, popliteal, anterior tibial, posterior tibial, and fibular arteries)

    Venous Drainage

    • Detailed diagrams and information covering venous drainage (e.g., superficial veins, deep veins)

    Nerves of the Lower Limb

    • Diagrams and descriptions of nerve pathways in the hip region, gluteal region, popliteal fossa, and leg

    Radiographic Images (X-rays and CT scans)

    • Images of a femoral head fracture.
    • Lateral view X-ray of the knee.
    • Sagittal view CT scan of the knee
    • Lateral view of an ankle X-ray
    • Anteroposterior view of an x-ray of the hip

    References

    • Atlas of Clinical Gross Anatomy 2nd Ed
    • Functional Anatomy Musculoskeletal Anatomy, Kinesiology, and Palpation for Manual Therapists
    • Fundamentals of Anatomy & Physiology-Pearson
    • Human Anatomy Atlas – Visible Body

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    Lower Limbs - MSK PDF

    Description

    Test your knowledge on the muscles of the lower leg, specifically focusing on the Fibularis Longus, Fibularis Brevis, and related structures. This quiz covers muscle attachments, functions, and innervation, providing a comprehensive assessment of your understanding of leg anatomy.

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