Recovery from muscle weakness by exercise and FES

lessons from Masters, active or sedentary seniors and SCI patients

Ugo Carraro, Helmut Kern, Paolo Gava, Christian Hofer, Stefan Loefler, Paolo Gargiulo, Kyle Edmunds, Íris Dröfn Árnadóttir, Sandra Zampieri, Barbara Ravara, Francesco Gava, Alessandra Nori, Valerio Gobbo, Stefano Masiero, Andrea Marcante, Alfonc Baba, Francesco Piccione, Sheila Schils, Amber Pond, Simone Mosole

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Many factors contribute to the decline of skeletal muscle that occurs as we age. This is a reality that we may combat, but not prevent because it is written into our genome. The series of records from World Master Athletes reveals that skeletal muscle power begins to decline at the age of 30 years and continues, almost linearly, to zero at the age of 110 years. Here we discuss evidence that denervation contributes to the atrophy and slowness of aged muscle. We compared muscle from lifelong active seniors to that of sedentary elderly people and found that the sportsmen have more muscle bulk and slow fiber type groupings, providing evidence that physical activity maintains slow motoneurons which reinnervate muscle fibers. Further, accelerated muscle atrophy/degeneration occurs with irreversible Conus and Cauda Equina syndrome, a spinal cord injury in which the human leg muscles may be permanently disconnected from the nervous system with complete loss of muscle fibers within 5–8 years. We used histological morphometry and Muscle Color Computed Tomography to evaluate muscle from these peculiar persons and reveal that contraction produced by home-based Functional Electrical Stimulation (h-bFES) recovers muscle size and function which is reversed if h-bFES is discontinued. FES also reverses muscle atrophy in sedentary seniors and modulates mitochondria in horse muscles. All together these observations indicate that FES modifies muscle fibers by increasing contractions per day. Thus, FES should be considered in critical care units, rehabilitation centers and nursing facilities when patients are unable or reluctant to exercise.

Original languageEnglish
Pages (from-to)1-12
Number of pages12
JournalAging clinical and experimental research
DOIs
Publication statusAccepted/In press - Sep 3 2016

Fingerprint

Muscle Weakness
Exercise
Muscles
Muscular Atrophy
Electric Stimulation
Skeletal Muscle
Rehabilitation Nursing
Polyradiculopathy
Rehabilitation Centers
Motor Neurons
Denervation
Critical Care
Spinal Cord Injuries
Athletes
Nervous System
Horses
Atrophy
Leg
Mitochondria
Color

Keywords

  • Aging
  • Denervation and type grouping
  • FES recovery
  • Master Athletes
  • Muscle
  • Muscle Color Computed Tomography

ASJC Scopus subject areas

  • Ageing
  • Geriatrics and Gerontology

Cite this

Recovery from muscle weakness by exercise and FES : lessons from Masters, active or sedentary seniors and SCI patients. / Carraro, Ugo; Kern, Helmut; Gava, Paolo; Hofer, Christian; Loefler, Stefan; Gargiulo, Paolo; Edmunds, Kyle; Árnadóttir, Íris Dröfn; Zampieri, Sandra; Ravara, Barbara; Gava, Francesco; Nori, Alessandra; Gobbo, Valerio; Masiero, Stefano; Marcante, Andrea; Baba, Alfonc; Piccione, Francesco; Schils, Sheila; Pond, Amber; Mosole, Simone.

In: Aging clinical and experimental research, 03.09.2016, p. 1-12.

Research output: Contribution to journalArticle

Carraro, U, Kern, H, Gava, P, Hofer, C, Loefler, S, Gargiulo, P, Edmunds, K, Árnadóttir, ÍD, Zampieri, S, Ravara, B, Gava, F, Nori, A, Gobbo, V, Masiero, S, Marcante, A, Baba, A, Piccione, F, Schils, S, Pond, A & Mosole, S 2016, 'Recovery from muscle weakness by exercise and FES: lessons from Masters, active or sedentary seniors and SCI patients', Aging clinical and experimental research, pp. 1-12. https://doi.org/10.1007/s40520-016-0619-1
Carraro, Ugo ; Kern, Helmut ; Gava, Paolo ; Hofer, Christian ; Loefler, Stefan ; Gargiulo, Paolo ; Edmunds, Kyle ; Árnadóttir, Íris Dröfn ; Zampieri, Sandra ; Ravara, Barbara ; Gava, Francesco ; Nori, Alessandra ; Gobbo, Valerio ; Masiero, Stefano ; Marcante, Andrea ; Baba, Alfonc ; Piccione, Francesco ; Schils, Sheila ; Pond, Amber ; Mosole, Simone. / Recovery from muscle weakness by exercise and FES : lessons from Masters, active or sedentary seniors and SCI patients. In: Aging clinical and experimental research. 2016 ; pp. 1-12.
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