Nonaccustomed

In the blood of the nonaccustomed the highest percentage of alcohol in the blood is reached in from one and one-half to two hours; it remains for some time at this level and then slowly declines.

Source: wiktionary

It is not clear whether respiratory complaints pertained to the upper or lower respiratory tract or whether conjunctivitis was more severe in the nonaccustomed workers.

Source: wiktionary

Skeletal muscles can be damaged in many ways by intense and active exercise, especially in nonaccustomed subjects.

Source: wiktionary

Engagement in nonaccustomed physical activity results in delayed onset muscle soreness (DOMS) which is particularly evident after eccentric muscle contractions.

Source: wiktionary