Logik LBSFULL13E

GB
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Muscle Mass
Themusclemassisthebody’smotor.Themostoftheenergyweuseisconsumedby
muscles.Musclemassvariesgreatlyfrompersontoperson,basedlargelyonphysical
activity.Insteadoffocusingonmuscleitself,mostmedicalprofessionalsdefertobody
fattodetermineifyourmusclemassisatanidealpercentageforyourheight.
Body Water
About60%ofanadult’sbodyismadeupofwater.Thisvariesaccordingtocertain
factors:age,gender.Asthemajorityofthebodywaterisfoundinthefat-freemass
(73%ofthefat-freemassiswater)andthewatercontentoffattissueisnaturallyvery
low(around10%offattissueiswater),whenthebodyfatratioishighthebodywater
ratiofallsautomatically.
Bodywaterhealthyrangepercentages:
Male Female
Age 6 - 12 58-70 60-73
Age 12 - 99 42-61 46-66
Athlete
(Age 12 - 99)
56-71 60-73
Bone Mass
Bonemassrangepercentages:
Male Female
Low <12 <10
Normal 12-18 10-16
High >18 >16
BMI
BMIisaninternationallyusedindextoshowthebodyconditionbycheckingthe
balancebetweentheheightandtheweight.Itiscalculatedbythefollowingformula:
BMIinmetric=weight(kg)/height(m)/height(m)
BMI Designation
>18.5 Underweight
18.5-25 Normal
25-30 Slightlyoverweight
30orMore Extremelyoverweight
LBSFULL13E_IB_7L_130829.indb 29 29/8/13 10:51 AM