May lift shoulder and/or pelvis briefly off support surface but then uses arms and/or legs to actively resist rolling.
may lift shoulder and/or pelvis briefly off support surface but then uses arms and/or legs to actively resist rolling.
May lift shoulder and/or pelvis briefly off support surface but then uses arms and/or legs to actively resist rolling.
may lift shoulder and/or pelvis briefly off support surface but then uses arms and/or legs to actively resist rolling.