1. Brief view at Structure Function Mechanism
Muscle spindle
Brief view at Structure
Function
Mechanism

2. Structure Motorneurones … alpha & gamma
Muscle Fibers … Extrafusal & Intrafusal
Intrafusal … Nuclear bag & Nuclear chain
Sensory … II group & Ia group
Motor .. Static & Dynamic

4. Function Main function of Muscle spindle :
Correction for changes in muscle length when extrafusal muscle fiber either shortens or lengths .

6. Sources
Physiology & Anatomy ‘A homostatic approach’, John Clancy and Andrew J Mcvicar,1995