Improving Trunk Postural Control Facilitates Walking in Children With Cerebral Palsy: A Pilot Study. 2023

Shijun Yan, and Seoung Hoon Park, and Renee Keefer, and Weena Dee, and Ana-Marie Rojas, and William Zev Rymer, and Ming Wu
From the Legs and Walking Lab, Shirley Ryan AbilityLab, Chicago, Illinois (SY, SHP, RK, WD, A-MR, WZR, MW); Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, Illinois (SY, SHP, A-MR, WZR, MW); and Department of Biomedical Engineering, University of Illinois at Chicago, Chicago, Illinois (MW).

The aim of this study is to determine the effects of bilateral trunk support during walking on trunk and leg kinematics and neuromuscular responses in children with cerebral palsy. Fourteen children with spastic cerebral palsy (Gross Motor Function Classification System level I to III) participated in this study. Children walked on a treadmill under four different conditions, that is, without support (Baseline), with bilateral support applied to the upper trunk (upper trunk support), the lower trunk (lower trunk support), and combined upper and lower trunk (combined trunk support). The trunk and leg kinematics and muscle activity were recorded. Providing bilateral support to the trunk had a significant impact on the displacement of the pelvis and trunk ( P < 0.003) during walking. Children's weaker leg showed greater step length ( P = 0.032) and step height ( P = 0.012) in combined trunk support compared with baseline and greater step length in upper trunk support ( P = 0.02) and combined trunk support ( P = 0.022) compared with lower trunk support. Changes in soleus electromyographic activity during stance phase of gait mirrored the changes in step length across all conditions. Providing bilateral upper or combined upper and lower trunk support during walking may induce improvements in gait performance, which may be due to improved pelvis kinematics. Improving trunk postural control may facilitate walking in children with cerebral palsy.

UI MeSH Term Description Entries
D010865 Pilot Projects Small-scale tests of methods and procedures to be used on a larger scale if the pilot study demonstrates that these methods and procedures can work. Pilot Studies,Pilot Study,Pilot Project,Project, Pilot,Projects, Pilot,Studies, Pilot,Study, Pilot
D002547 Cerebral Palsy A heterogeneous group of nonprogressive motor disorders caused by chronic brain injuries that originate in the prenatal period, perinatal period, or first few years of life. The four major subtypes are spastic, athetoid, ataxic, and mixed cerebral palsy, with spastic forms being the most common. The motor disorder may range from difficulties with fine motor control to severe spasticity (see MUSCLE SPASTICITY) in all limbs. Spastic diplegia (Little disease) is the most common subtype, and is characterized by spasticity that is more prominent in the legs than in the arms. Pathologically, this condition may be associated with LEUKOMALACIA, PERIVENTRICULAR. (From Dev Med Child Neurol 1998 Aug;40(8):520-7) Diplegic Infantile Cerebral Palsy,Little Disease,Monoplegic Cerebral Palsy,Quadriplegic Infantile Cerebral Palsy,Spastic Diplegia,CP (Cerebral Palsy),Cerebral Palsy, Athetoid,Cerebral Palsy, Atonic,Cerebral Palsy, Congenital,Cerebral Palsy, Diplegic, Infantile,Cerebral Palsy, Dyskinetic,Cerebral Palsy, Dystonic-Rigid,Cerebral Palsy, Hypotonic,Cerebral Palsy, Mixed,Cerebral Palsy, Monoplegic, Infantile,Cerebral Palsy, Quadriplegic, Infantile,Cerebral Palsy, Rolandic Type,Cerebral Palsy, Spastic,Congenital Cerebral Palsy,Diplegia, Spastic,Infantile Cerebral Palsy, Diplegic,Infantile Cerebral Palsy, Monoplegic,Infantile Cerebral Palsy, Quadriplegic,Little's Disease,Monoplegic Infantile Cerebral Palsy,Rolandic Type Cerebral Palsy,Athetoid Cerebral Palsy,Atonic Cerebral Palsy,Cerebral Palsies, Athetoid,Cerebral Palsies, Dyskinetic,Cerebral Palsies, Dystonic-Rigid,Cerebral Palsies, Monoplegic,Cerebral Palsy, Dystonic Rigid,Cerebral Palsy, Monoplegic,Diplegias, Spastic,Dyskinetic Cerebral Palsy,Dystonic-Rigid Cerebral Palsies,Dystonic-Rigid Cerebral Palsy,Hypotonic Cerebral Palsies,Hypotonic Cerebral Palsy,Mixed Cerebral Palsies,Mixed Cerebral Palsy,Monoplegic Cerebral Palsies,Spastic Cerebral Palsies,Spastic Cerebral Palsy,Spastic Diplegias
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D004856 Postural Balance A POSTURE in which an ideal body mass distribution is achieved. Postural balance provides the body carriage stability and conditions for normal functions in stationary position or in movement, such as sitting, standing, or walking. Postural Control,Posture Balance,Posture Control,Posture Equilibrium,Balance, Postural,Musculoskeletal Equilibrium,Postural Equilibrium,Balance, Posture,Control, Postural,Control, Posture,Equilibrium, Musculoskeletal,Equilibrium, Postural,Equilibrium, Posture,Postural Controls,Posture Balances,Posture Controls,Posture Equilibriums
D005684 Gait Manner or style of walking. Gaits
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001696 Biomechanical Phenomena The properties, processes, and behavior of biological systems under the action of mechanical forces. Biomechanics,Kinematics,Biomechanic Phenomena,Mechanobiological Phenomena,Biomechanic,Biomechanic Phenomenas,Phenomena, Biomechanic,Phenomena, Biomechanical,Phenomena, Mechanobiological,Phenomenas, Biomechanic
D016138 Walking An activity in which the body advances at a slow to moderate pace by moving the feet in a coordinated fashion. This includes recreational walking, walking for fitness, and competitive race-walking. Ambulation

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