Arm swing during walking at different speeds in children with Cerebral Palsy and typically developing children.
Kids with hemiplegic CP keep a lopsided, tiny arm swing at every walking speed—so let the arms work during gait training instead of holding them still.
01Research in Context
What this study did
Meyns et al. (2011) filmed kids walking on a treadmill at slow, normal, and fast speeds. They compared arm and leg swing in children with hemiplegic and diplegic cerebral palsy to typically developing peers.
The team used motion-capture markers on the arms and legs. They wanted to see how arm swing changed with speed in each group.
What they found
Hemiplegic kids kept the same small arm swing no matter how fast they walked. Their affected arm moved far less than the other side, so the pattern stayed lopsided.
Diplegic kids also showed odd arm motion, but both sides looked alike. Typically developing kids smoothly increased arm swing as speed rose.
How this fits with other research
Laugeson et al. (2014) later studied teens and young adults with the same CP types. They found the same uneven arm paths, showing these quirks last into adulthood.
Saether et al. (2014) saw higher trunk wobble when CP kids sped up. Pieter’s arm data match that picture: faster walking stresses the whole body, not just the legs.
Galli et al. (2010) focused only on lower-limb gait one year earlier. Pieter widened the lens by showing the upper body is part of the problem too.
Why it matters
If the arms do not join the speed-up, gait training should let them move, not strap them to walkers. Encourage natural arm swing, check side-to-side symmetry, and treat the upper body as a gait partner, not baggage.
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02At a glance
03Original abstract
Children with Cerebral Palsy (CP) have difficulties walking at a normal or high speed. It is known that arm movements play an important role to achieve higher walking speeds in healthy subjects. However, the role played by arm movements while walking at different speeds has received no attention in children with CP. Therefore we investigated the use of arm movements at two walking speeds for children with diplegia (DI) and hemiplegia (HE) as compared to typically developing (TD) children. Arm and leg swing lengths were determined in 11 HE children and 15 DI children and compared to 24 TD children using 3D gait analysis at their preferred and "as fast as possible" walking speeds. We found that TD children increased walking speed more than both CP groups. HE children showed larger arm swings on the non-hemiplegic compared to the hemiplegic side for both walking speeds. In contrast to TD or DI children, the HE group did not show an increase in arm swing length with increasing walking speed. Their leg swing length was larger on the non-hemiplegic than on the hemiplegic side but only at the preferred walking speed. The DI children exhibited smaller leg swings at both walking speeds. Since arm swing is used both by DI (to increase speed) and by HE children (to compensate for the reduced movement on the affected side) it is argued that these movements are important and should be allowed (or even encouraged) in gait training procedures (such as treadmill training).
Research in developmental disabilities, 2011 · doi:10.1016/j.ridd.2011.03.029