Which of these muscles is most frequently affected in childhood poliomyelitis?
Quadriceps
Deltoid
Tibialis anterior
Biceps
Ans. A. QuadricepsThe most frequently affected muscles in poliomyelitis (in order of the frequency with which they are affected)(Lower limb muscles - Quadriceps; tibialis anterior; peroneal muscles) > (Upper limb muscles - Deltoid; triceps; biceps) > (Trunk - abdominal muscles; back; intercostals; diaphragm)
Musculo Skeletal Disorders