1. Ironic that my legs are fine, and it's my shoulders that slow up my walk.

2. Accelerate: 1 v move faster “The car Accelerated ” Synonyms: quicken , speed , speed up Antonyms: decelerate , retard , slow , slow down , slow up lose velocity; move more slowly Types: brisk , brisk up , brisken become brisk Type of: deepen , intensify become more intense v cause to move faster “He Accelerated the car” Synonyms: speed , speed