scholarly journals Estimating medial gastrocnemius muscle volume in children with spastic cerebral palsy: a cross-sectional investigation

2017 ◽  
Vol 60 (1) ◽  
pp. 81-87 ◽  
Author(s):  
Simon-Henri Schless ◽  
Britta Hanssen ◽  
Francesco Cenni ◽  
Lynn Bar-On ◽  
Erwin Aertbeliën ◽  
...  
Keyword(s):  
Cerebral Palsy ◽  
Gastrocnemius Muscle ◽  
Muscle Volume ◽  
Medial Gastrocnemius ◽  
Spastic Cerebral Palsy ◽  
Cross Sectional ◽  
Medial Gastrocnemius Muscle

scholarly journals Medial gastrocnemius muscle volume in ambulant children with unilateral and bilateral cerebral palsy aged 2 to 9 years

2016 ◽  
Vol 58 (11) ◽  
pp. 1146-1152 ◽  
Author(s):  
Lee A Barber ◽  
Felicity Read ◽  
Jacquie Lovatt Stern ◽  
Glen Lichtwark ◽  
Roslyn N Boyd
Keyword(s):  
Cerebral Palsy ◽  
Gastrocnemius Muscle ◽  
Muscle Volume ◽  
Medial Gastrocnemius ◽  
Medial Gastrocnemius Muscle

Mechanical stimulation of the plantar foot surface attenuates soleus muscle atrophy induced by hindlimb unloading in rats

2005 ◽  
Vol 99 (2) ◽  
pp. 739-746 ◽  
Author(s):  
Antonios Kyparos ◽  
Daniel L. Feeback ◽  
Charles S. Layne ◽  
Daniel A. Martinez ◽  
Mark S. F. Clarke
Keyword(s):  
Muscle Atrophy ◽  
Soleus Muscle ◽  
Gastrocnemius Muscle ◽  
Hindlimb Unloading ◽  
Medial Gastrocnemius ◽  
Type I ◽  
Cross Sectional ◽  
Plantar Surface ◽  
Male Wistar Rats ◽  
Medial Gastrocnemius Muscle

Unloading-induced muscle atrophy occurs in the aging population, bed-ridden patients, and astronauts. This study was designed to determine whether dynamic foot stimulation (DFS) applied to the plantar surface of the rat foot can serve as a countermeasure to soleus muscle atrophy normally observed in hindlimb unloaded (HU) rats. Forty-four mature (6 mo old), male Wistar rats were randomly assigned to ambulatory control, HU alone, HU with active DFS (i.e., plantar contact with active inflation), HU with passive DFS (i.e., plantar contact without active inflation), and HU while wearing a DFS boot with no plantar contact groups. Application of active DFS during HU significantly counteracted the atrophic response by preventing ∼85% of the reduction in type I myofiber cross-sectional area (CSA) in the soleus while preventing ∼57% of the reduction in type I myofiber CSA and 43% of the reduction in type IIA myofiber CSA of the medial gastrocnemius muscle. Wearing of a DFS boot without active inflation prevented myofiber atrophy in the soleus of HU animals in a fashion similar to that observed in HU animals that wore an actively inflated DFS boot. However, when a DFS boot without plantar surface contact was worn during HU, no significant protection from HU-induced myofiber atrophy was observed. These results illustrate that the application of mechanical foot stimulation to the plantar surface of the rat foot is an effective countermeasure to muscle atrophy induced by HU.

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