Lab J (Answers)

Lab J (Answers) - Lab J: The Extensor Hood - ANSWERS A to...

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Lab J: The Extensor Hood - ANSWERS A to B: Full Finger Flexion Fill in the blanks below using one of the following structures: Central Tendon, Lumbricals, Oblique Retinacular Ligament, Extensor Digitorum Communis, Lateral Bands, Palmar Interossei, Dorsal Interossei, Triangular Ligament, Flexor Digitorum Profundus, Extensor Mechanism STRUCTURES FUNCTION 1. Flexor Digitorum Profundus Initiates flexion of fingers 2. Extensor Mechanism Shifts distally (through passive tension), allowing for full finger flexion. 3. Dorsal Interossei (or Palmar) Fall volar to MP joint and assist with MCP flexion. 4. Lateral Bands Migrate volarly, allowing relaxation at terminal tendon and DIP flexion. 5. Central Tendon Becomes slack, allowing for PIP flexion. 6. Oblique Retinacular Ligament Links DIP and PIP promoting flexion at both joints 7. Palmar Interossei (or Dorsal) Fall volar to MP joint and assist with MCP flexion. 8. Lumbricals
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Lab J (Answers) - Lab J: The Extensor Hood - ANSWERS A to...

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