Classification of ligament and muscle sprains

Classification of ligament & muscle sprains  
Ligament sprains
  • Grade l/ mild sprain :- Few ligament fibers torn, stability maintained. 
  • Grade ll/ Moderate sprain :- Partial rupture, increased laxity but no gross instability. 
  • Grade lll/ severe sprain:- Complete rupture, gross instability. 
Muscle strains
  • Grade l/mild strain :- Few muscle fibers torn, minimum loss of strength and pain on muscle contraction. 
  • Grade ll/ moderate strain: Approximately half of muscle fibers torn, significant muscle weakness and loss of function. Moderate to severe pain on isometric contraction. 
  • Grade lll/ severe strain:- Complete tear of the muscle, significant muscle weakness and severe loss of function. Minimum to no pain on isometric contraction. 

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