Strength.docx

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14 Apr 2012
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Strength:
Greatest amount of force that a body or its segments can produce in a single maximal effort
Ability to apply a force
A combination of:
o Combined contractile force of muscles causing movement
o Ability to coordinate agonists, antagonists, neutralizers, stabilizers
o Mechanical ratios of lever:
Angle of pull
Length of resistance arm
Muscular endurance
Power
Speed
Prevention of injuries
Absolute strength:
Maximum force
Irrespective of body weight
Time taken to develop force
Body wt.& strength (eg. Football, shot put)
Increased Stength:
Overload
Progressive resistance
Specificity
Variety
Individualization
Neural muscular
Type of contractions:
Isotonics:
o Dynamic constant, external resistance, DCER
o Constant resistance
o Varying tension: 120° 30°
o DeLorme
Early 1940s
Rehab
Free weights, machines
1) Concentric
2) Eccentric
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