Research Article

Characteristics of Lower Leg Muscle Activity in Patients with Cerebral Palsy during Cycling on an Ergometer

Table 2

A letter in one cell indicates the quadrant (Q1, Q2, Q3, or Q4 as indicated in Figure 1) at which a given muscle reached maximum activity throughout a full cycle. H indicates an healthy participant, C a patient, I very irregular EMG pattern recorded from patients, and N poor EMG signal from healthy group.

MusclePosition
Q1Q2Q3Q4

M. biceps femorisI I IC C C CC C C H
H H H H
C CC
H H H H N

M. rectus femorisC CC C C C CC CC
H H H H H
C C
H H H N N

M. tibialis anteriorCI I C CC I
H H H H H
H H H H N

M. gastrocnemiusCC HC CI IC C C C
H H H H
C C C C
H H H H H