Anatomy of Lower Limb Regions
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Questions and Answers

What forms the medial border of the femoral triangle?

  • Iliacus
  • Pectineus
  • Adductor longus (correct)
  • Sartorius
  • Which of the following structures passes through the adductor canal?

  • Femoral artery (correct)
  • Common peroneal nerve
  • Saphenous nerve
  • Tibial nerve
  • What forms the superior boundary of the popliteal fossa?

  • Hamstring tendons (correct)
  • Tibial nerve
  • Calf muscles
  • Gastrocnemius
  • What forms the medial boundary of the tarsal canal?

    <p>Medial malleolus</p> Signup and view all the answers

    What forms the anterior border of the inguinal canal?

    <p>Aponeurosis of external oblique</p> Signup and view all the answers

    What is the direction of the apex of the femoral triangle?

    <p>Directed downwards</p> Signup and view all the answers

    Which of the following structures passes through the adductor canal?

    <p>Nerve to vastus medialis</p> Signup and view all the answers

    What forms the lateral boundary of the popliteal fossa?

    <p>Lateral head of gastrocnemius</p> Signup and view all the answers

    Which muscle is NOT part of the posterior compartment of the thigh?

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

    What is the main nerve found in the anterior compartment of the thigh?

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

    Which structure passes through the tarsal canal?

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

    What is the superior boundary of the inguinal canal?

    <p>Inguinal ligament</p> Signup and view all the answers

    Which nerve is found in the popliteal fossa?

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

    What is the function of the hamstrings in the posterior compartment of the thigh?

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

    Which muscle is part of the anterior compartment of the thigh?

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

    What is the main artery found in the tarsal canal?

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

    What is the inferior boundary of the inguinal canal?

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

    Which muscle is part of the popliteal fossa?

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

    Study Notes

    Anatomical Areas and Boundaries

    Femoral Triangle Boundaries

    • Medial border: adductor longus
    • Lateral border: sartorius
    • Base: inguinal ligament
    • Apex: directed downwards

    Adductor Canal Contents

    • Femoral artery
    • Femoral vein
    • Saphenous nerve
    • Nerve to vastus medialis
    • Branches of femoral artery

    Popliteal Fossa Anatomy

    • Boundaries:
      • Superior: hamstring tendons
      • Inferior: calf muscles
      • Medial: medial head of gastrocnemius
      • Lateral: lateral head of gastrocnemius
    • Contents:
      • Popliteal artery
      • Popliteal vein
      • Tibial nerve
      • Common peroneal nerve

    Tarsal Canal Structures

    • Boundaries:
      • Medial: medial malleolus
      • Lateral: lateral malleolus
      • Posterior: posterior talofibular ligament
      • Anterior: anterior talofibular ligament
    • Contents:
      • Posterior tibial artery
      • Posterior tibial vein
      • Tibial nerve
      • Flexor hallucis longus tendon

    Inguinal Canal Borders

    • Anterior: aponeurosis of external oblique
    • Posterior: conjoint tendon
    • Superior: inguinal ligament
    • Inferior: lacunar ligament

    Anterior Compartment of Thigh

    • Boundaries:
      • Medial: medial intermuscular septum
      • Lateral: lateral intermuscular septum
    • Contents:
      • Quadriceps femoris
      • Sartorius
      • Intermediate femoral cutaneous nerve

    Posterior Compartment of Thigh

    • Boundaries:
      • Medial: medial intermuscular septum
      • Lateral: lateral intermuscular septum
    • Contents:
      • Hamstrings (biceps femoris, semitendinosus, semimembranosus)
      • Sciatic nerve

    Axilla

    • Boundaries:
      • Medial: chest wall
      • Lateral: humerus
      • Anterior: pectoralis major
      • Posterior: subscapularis and teres minor
    • Contents:
      • Axillary artery
      • Axillary vein
      • Brachial plexus
      • Lymph nodes

    Quadrangular Space

    • Boundaries:
      • Superior: teres minor
      • Inferior: teres major
      • Medial: long head of triceps
      • Lateral: humerus
    • Contents:
      • Axillary nerve
      • Posterior humeral circumflex artery

    Triangular Space

    • Boundaries:
      • Superior: teres minor
      • Inferior: teres major
      • Medial: long head of triceps
    • Contents:
      • Circumflex scapular artery

    Cubital Fossa

    • Boundaries:
      • Medial: pronator teres
      • Lateral: brachioradialis
      • Superior: medial epicondyle
      • Inferior: anterior aspect of forearm
    • Contents:
      • Brachial artery
      • Median nerve
      • Biceps brachii tendon

    Extensor Compartments

    • 1st compartment: thumb extensors
    • 2nd compartment: extensor carpi radialis brevis and longus
    • 3rd compartment: extensor pollicis longus
    • 4th compartment: extensor digitorum communis and extensor indicis proprius
    • 5th compartment: extensor digiti minimi
    • 6th compartment: extensor carpi ulnaris

    Carpal Tunnel

    • Boundaries:
      • Dorsal: carpal bones
      • Ventral: flexor retinaculum
    • Contents:
      • Median nerve
      • Flexor tendons of digits

    Anatomical Areas and Boundaries

    Femoral Triangle

    • Medial border defined by adductor longus
    • Lateral border defined by sartorius
    • Base formed by inguinal ligament
    • Apex directed downwards

    Adductor Canal

    • Contains femoral artery, femoral vein, saphenous nerve, nerve to vastus medialis, and branches of femoral artery

    Popliteal Fossa

    • Boundaries: superiorly by hamstring tendons, inferiorly by calf muscles, medially by medial head of gastrocnemius, and laterally by lateral head of gastrocnemius
    • Contains popliteal artery, popliteal vein, tibial nerve, and common peroneal nerve

    Tarsal Canal

    • Boundaries: medially by medial malleolus, laterally by lateral malleolus, posteriorly by posterior talofibular ligament, and anteriorly by anterior talofibular ligament
    • Contains posterior tibial artery, posterior tibial vein, tibial nerve, and flexor hallucis longus tendon

    Inguinal Canal

    • Anterior boundary formed by aponeurosis of external oblique
    • Posterior boundary formed by conjoint tendon
    • Superior boundary formed by inguinal ligament
    • Inferior boundary formed by lacunar ligament

    Anterior Compartment of Thigh

    • Boundaries: medially by medial intermuscular septum and laterally by lateral intermuscular septum
    • Contains quadriceps femoris, sartorius, and intermediate femoral cutaneous nerve

    Posterior Compartment of Thigh

    • Boundaries: medially by medial intermuscular septum and laterally by lateral intermuscular septum
    • Contains hamstrings (biceps femoris, semitendinosus, semimembranosus) and sciatic nerve

    Axilla

    • Boundaries: medially by chest wall, laterally by humerus, anteriorly by pectoralis major, and posteriorly by subscapularis and teres minor
    • Contains axillary artery, axillary vein, brachial plexus, and lymph nodes

    Quadrangular Space

    • Boundaries: superiorly by teres minor, inferiorly by teres major, medially by long head of triceps, and laterally by humerus
    • Contains axillary nerve and posterior humeral circumflex artery

    Triangular Space

    • Boundaries: superiorly by teres minor, inferiorly by teres major, and medially by long head of triceps
    • Contains circumflex scapular artery

    Cubital Fossa

    • Boundaries: medially by pronator teres, laterally by brachioradialis, superiorly by medial epicondyle, and inferiorly by anterior aspect of forearm
    • Contains brachial artery, median nerve, and biceps brachii tendon

    Extensor Compartments

    • 1st compartment contains thumb extensors
    • 2nd compartment contains extensor carpi radialis brevis and longus
    • 3rd compartment contains extensor pollicis longus
    • 4th compartment contains extensor digitorum communis and extensor indicis proprius
    • 5th compartment contains extensor digiti minimi
    • 6th compartment contains extensor carpi ulnaris

    Carpal Tunnel

    • Boundaries: dorsally by carpal bones and ventrally by flexor retinaculum
    • Contains median nerve and flexor tendons of digits

    Lower Limb

    Posterior Compartment of Thigh

    • Bounded by posterior aspect of femur, hamstrings, and gluteal fascia
    • Contains hamstring muscles, sciatic nerve, and profunda femoris artery

    Anterior Compartment of Thigh

    • Bounded by anterior aspect of femur, iliacus fascia, and sartorius muscle
    • Contains quadriceps muscle, femoral nerve, and femoral artery

    Tarsal Canal Structures

    • Bounded by medial and lateral walls of the tarsal canal and tarsal tunnel
    • Contains posterior tibial artery, posterior tibial vein, and tibial nerve

    Inguinal Canal Borders

    • Bounded by inguinal ligament, lacunar ligament, iliopubic tract, and conjoint tendon
    • Contains iliofemoral nerve, iliolumber artery, and spermatic cord in males

    Popliteal Fossa Anatomy

    • Bounded by posterior aspect of the knee joint, hamstrings, and gastrocnemius muscle
    • Contains popliteal artery, popliteal vein, tibial nerve, and common peroneal nerve

    Adductor Canal Contents

    • Bounded by adductor magnus muscle and vastus medialis muscle
    • Contains femoral artery, femoral vein, and saphenous nerve

    Femoral Triangle Boundaries

    • Bounded by inguinal ligament, adductor longus muscle, and sartorius muscle
    • Contains femoral artery, femoral vein, and femoral nerve

    Upper Limb

    Axilla

    • Bounded by pectoralis major muscle, subscapularis muscle, and humerus
    • Contains axillary artery, axillary vein, and brachial plexus

    Quadrangular Space

    • Bounded by teres major muscle, teres minor muscle, humerus, and long head of triceps brachii muscle
    • Contains axillary nerve and posterior humeral circumflex artery

    Triangular Space Cubital Fossa

    • Bounded by medial epicondyle of the humerus, lateral epicondyle of the humerus, and olecranon process
    • Contains ulnar nerve and ulnar artery

    Extensor Compartments

    • Bounded by dorsal surface of the forearm and extensor retinaculum
    • Contains extensor muscles of the forearm and posterior interosseous nerve

    Carpal Tunnel

    • Bounded by carpal bones and flexor retinaculum
    • Contains median nerve and flexor tendons of the wrist

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    Description

    This quiz covers the boundaries and contents of the femoral triangle and adductor canal, as well as the anatomy of the popliteal fossa. It is designed to test your knowledge of the anatomical areas and boundaries of the lower limb.

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