The Navy SEAL Physical Fitness Guide - Uniformed Services ...

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Table 5-1. Recommended Fin TypesType of SwimmingSDV OperationUnderwater SwimmingSurface SwimmingType of FinShort fin (Beware of compromisedpropulsion power. Rocket fin iswide and may provide extra safetyfactor).Offset finStraight finFigure 5-1. Examplesof Traditional Shortand Long Fins (Left)and Newer LongBlade Fins withInnovative Buckles(Right)Specific Design Characteristics of Fins:" Size or surface area of fin blade." Stiffness of fin blade." Configuration or shape of fin blade - length and width." Integral footbox versus strap-type fin." “Offset” or angle of pitch between footbox and fin blade." Buoyancy of fin.Physical Attributes Influencing Fin Selection:" If your ankle range of motion is inherently limited, long fins will assist intransmitting lower extremity forces to the water.74 Swimming for Fitness
" If your ankles are inherently flexible, short fins may be more efficient as wellas less stressful on relaxed ankle joints." Your natural kick frequency will also influence your choice of fin stiffnessand size. Larger sizes and stiffness produces a slower rate of kicking, whileshort flexible fins allow a higher kick rate.Operational Constraints:" Face down versus sidestroke position." Surface versus submerged." Space limitations (SDV)." Thermal protection.The fit of the fin is critical.If the fin is too tight, the finbox may make your foot cramp up and more susceptibleto cold. If it is too loose, energy is lost in the slop between foot and footbox; slop alsotranslates into foot chafe! Booties provide grip for the foot within the footbox and theneoprene acts to even out areas where stress is concentrated.Other Fin Selection ConsiderationsFins vary slightly in buoyancy; about half of sport fin models float and theremainder sink. This may be an operational consideration. In the April 1996 Rodale’sScuba Diving fin test, fins testing as "outstanding" in the area of power included theexpensive Scubapro Gorilla, Mares/Plana Avanti, Ocean Edge Spectra, and the U.S. DiversBlades. However, so did the IDI Frog Foot and Power Fin models, which have been thestandard fins in the Teams for many years.The authors of the article reveal honestly that, "In spite of extensive research and amultiplicity of designs applied to modern fins, there are still tried and true fins that performas well as many of the top newer models." The older, buckle-style strap fasteners have theadvantage of being reversible and are far less likely to foul in fishing line or seaweed thanfasteners on newer models, many of which have quick-release buckles. The simple strapson older models have no plastic to break, are easy and inexpensive to replace, and can befound in almost any dive store. These fins are also not as slippery on deck as newer designs.As a SEAL, you will need to evaluate individual fin performance carefully. Youshould not only consider characteristics of the fin, but know your own physical attributesand any particular operational constraints in making your decision.When buying fins consider:" Size, stiffness, weight, buoyancy, buckles and releases.The Navy SEAL Physical Fitness Guide 75
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The Navy SEAL PhysicalFitness Guide
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About the AuthorsCAPT Frank K. Butl
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Warfare (SEAL) personnel, U.S. Mari
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An Introduction byRADM Raymond C. S
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Chapter 2 SEAL Mission-Related Phys
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Underwater Training 86Varying Your
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Elements of a Load-Bearing Conditio
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Summary of Ergogenic Agents 244Prot
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Table 3-13. Workload Conversion She
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Table 15-2. Alternate Activities fo
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Figure 7-4. Recommended Exercise Se
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Table 0-1. Skill- and Health-Relate
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Aerobic Metabolism: Most of the ene
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MET (Metabolic Equivalent Unit): A
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Type I Muscle FibersType I muscle f
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Figure 1-1. Muscle Fiber Compositio
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Measure your heart rate by taking y
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Figure 1-4. An Example for Determin
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Table 1-2. Percentage Contributed b
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if you were exercising continuously
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" Decrease in maximal aerobic capac
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Swimming is not the only mission-re
Page 48 and 49: Combat Swimmer OperationsWith the c
Page 50 and 51: Winter Warfare operations often req
Page 52 and 53: Table 2-2. Physical Requirements fo
Page 54 and 55: SummaryThe most important types of
Page 56 and 57: Basics Concepts ofCardiorespiratory
Page 58 and 59: Anaerobic PowerHow much strenuous w
Page 60 and 61: " The degree of aerobic training is
Page 62 and 63: Table 3-2. Stages and Work Rates fo
Page 64 and 65: 40 Cardiorespiratory ConditioningHe
Page 66 and 67: many challenges. It is also a very
Page 68 and 69: " A stroke rate between 24 and 30 p
Page 70 and 71: hr, and a moderate workout would be
Page 72 and 73: than 35 steps/minute, whereas a hig
Page 74 and 75: Other Terms for Work RateOther term
Page 76 and 77: 52 Cardiorespiratory Conditioning
Page 78 and 79: Running GearRunning ShoesA good pai
Page 80 and 81: " Cantilever is a concave outsole d
Page 82 and 83: If you have high arches you will ne
Page 84 and 85: Sometimes low cost, over-the-counte
Page 86 and 87: Table 4-2. Running Surfaces: From B
Page 88 and 89: FootstrikeFor most runners, other t
Page 90 and 91: Figure 4-5. Ways to Increase Runnin
Page 92 and 93: " After you finish, stretch and wal
Page 94 and 95: Table 4-5. Frequency of Running Inj
Page 96 and 97: Open Water GearIn the pure sense th
Page 100 and 101: " Getting the best possible fit; tr
Page 102 and 103: developed guidelines for use of pas
Page 104 and 105: These are useful to develop the fee
Page 106 and 107: Figure 5-2 illustrates how the diff
Page 108 and 109: Freestyle Swim: 10 x 100 m with 45
Page 110 and 111: Underwater TrainingSwimming underwa
Page 112 and 113: For beginning freestyle swimmers, a
Page 114 and 115: Figure 5-7. Side and Front Views of
Page 116 and 117: " One Arm Freestyle: May be done wi
Page 118 and 119: Technology has allowed the developm
Page 120 and 121: The TIME you spend on weight traini
Page 122 and 123: Determining Repetition MaximumsThe
Page 124 and 125: Table 6-4. Intensity Levels Relativ
Page 126 and 127: Table 6-6. Strength Development Pha
Page 128 and 129: Table 6-8. Week 1: Circuit Training
Page 130 and 131: Cooling Down andStretchingUpon the
Page 132 and 133: 108 Strength Training
Page 134 and 135: alanced physical conditioning progr
Page 136 and 137: The quadriceps muscle is quickly st
Page 138 and 139: above, when a muscle is slowly stre
Page 140 and 141: physical activity whether it be str
Page 142 and 143: Figure 7-4. Recommended Exercise Se
Page 144 and 145: Table 7-1. Dynamic Stretch Exercise
Page 146 and 147: Table 7-1. Dynamic Stretch Exercise
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Table 7-2. Static Stretch Exercises
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" Sudy, Mitchell (Ed.). Personal Tr
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Increasing the number of repetition
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A unit's PT schedule should beflexi
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" Incorporate a total body flexibil
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neck into flexion. The fingertips o
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For a 30-minute workout, choose 1 t
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Table 8-2. Recommended Calisthenics
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endurance. Depending on the fitness
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156 CalisthenicsTable 8-4. Buddy Ex
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Resources" Gain W., Hartmann J. Str
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Plyometric training is very intense
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Recommended shoes are those that pr
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stress on the muscles, joints, and
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Plyometric TrainingPlyometric train
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Table 9-3. Plyometric ExercisesExer
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Table 9-3. Plyometric ExercisesExer
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Table 9-4. Upper Body PlyometricsEx
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174 Plyometrics
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" Physiological and environmental f
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Figure 10-1. Workload and Energy Ex
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Lack of sleep can compromise your m
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" One hump at least every other wee
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184 Load-Bearing
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Training in HotEnvironmentsExercisi
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" Dehydration." Salt depletion." Il
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" Optimize acclimation by a careful
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HypothermiaA lowering of body core
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Training at AltitudeAn athlete’s
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Acclimation to AltitudeProlonged ex
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transient and reversible.Although m
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Treatments for Training-Related Inj
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Table 12-1. Tips for Applying Ice:
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" Increased blood pressure." Decrea
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Return to Mission-Related TasksUlti
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Sprains and StrainsLigaments attach
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" A change in shoe wear (worn out s
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Table 12-5. Musculoskeletal Injurie
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Running and HikingRunning and hikin
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over a period of several days. A da
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218 Training and Sports Related Inj
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220 Training and Sports Related Inj
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use of AAS for improved competitive
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How Anabolic Steroids AlterMetaboli
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permanent impairment, and some arep
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Table 13-3. Physiologic Effects of
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Exercise itself induces these same
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effects of rEPO are actually simila
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234 Harmful Substances that Affect
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Training for SkiingA high skill lev
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to avoid a recurrence of previous i
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Table 14-3. A PT Program for High M
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Table 14-4. Nutritional Ergogenic A
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Table 14-4. Nutritional Ergogenic A
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Supplements are a quick and conveni
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Strength and flexibility are closel
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Table 15-3. Basic Physical Training
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Table 15-4. Total Body Physical Tra
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A Physical Fitness Programfor Comin
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Table 15-7. Re-Entry Physical Train
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Table 15-9. Selected Stretching Exe
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Final Comments From:RADM SmithThis
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Many of the exercises in the RADM S
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264 Physical Fitness and Training R
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Exercise Instruction Diagram3/4 Squ
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Exercise Instruction DiagramBackCur
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Exercise Instruction DiagramShoulde
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Exercise Instruction DiagramBarbell
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Exercise Instruction DiagramWrist C
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CommonTerms forMuscle GroupsHip Ext
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Figure B-2. Selected Muscles of the
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Figure B-4. Selected Muscles of the
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massage feet, apply foot power, cha
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