Changes in nuclear magnetic resonance ( T 2  ) relaxation of limb tissue with bed rest | Zendy

Leblanc Adrian | Zendy; Evans Harlan | Zendy; Schonfeld Ernesto | Zendy; Ford Joseph | Zendy; Schneider Victor | Zendy; Jhingran Satish | Zendy; Johnson Philip | Zendy

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Changes in nuclear magnetic resonance ( T 2 ) relaxation of limb tissue with bed rest

Author(s) -

Leblanc Adrian,

Evans Harlan,

Schonfeld Ernesto,

Ford Joseph,

Schneider Victor,

Jhingran Satish,

Johnson Philip

Publication year - 1987

Publication title -

magnetic resonance in medicine

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.696

H-Index - 225

eISSN - 1522-2594

pISSN - 0740-3194

DOI - 10.1002/mrm.1910040509

Subject(s) - rest (music) , nuclear magnetic resonance , relaxation (psychology) , magnetic resonance imaging , t2 relaxation , physics , medicine , radiology , acoustics

Bed rest is used to simulate the effects of weightlessness on human physiology. A spinecho procedure was used to image the lower leg of 15 normal male volunteers before and after 5 weeks of horizontal bedrest. In addition to noninvasively measuring muscle size changes, accurate T 2 images were produced to investigate possible relaxation time changes immediately (2–4 h) and 1–2 days after bed rest. Subcutaneous fat showed no change in T 2 , bone marrow showed a decrease, and muscle showed no change immediately after bed rest but increased 1–2 days following reambulation. © 1987 Academic Press, Inc.

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