follow through vs put one's back into

follow through

verb
  • To execute or complete a commitment. 

  • to continue moving the arms (and any held implements, such as a bat or club) or legs after striking e.g. a ball. 

  • To defecate unintentionally as a result of a cough or sneeze, etc. 

put one's back into

verb
  • Synonym of strive: to apply oneself. 

How often have the words follow through and put one's back into occurred in a corpus of books? (source: Google Ngram Viewer )