Intensity is a synonym of Strength. Strength is a synonym of Ability. Reliability is derived from Ability. 
you are likely to find Muscle in/at/on Jaw. Jaw is related to Shark. 
Intensity <--Synonym--> Strength <--Synonym--> Ability <--DerivedFrom-- Reliability 
Muscle --AtLocation--> Jaw <--RelatedTo--> Shark 