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Fundamental Motor Learning Concepts for CoachesMike Young
In this presentation, Mike discusses some of the fundamental concepts that all coaches and physical educators should understand to enhance the skill acquisition of their athletes.
This is Dr. Mike Young's presentation on Planning Speed Training for Team Sports from the 2015 Southwest Speed Summit. Dr. Young is the owner and Director of Performance at Athletic Lab sports performance training center. He has served as the fitness coach for 2 North American professional soccer clubs and consults for teams and schools in various other capacities. In this presentation, Dr. Young discussed the best practices for planning speed training sessions in the context of a team setting.
This is Dr. Mike Young's presentation from the 2016 Child to Champion Conference on Velocity Based Training. In this lecture, Dr. Young presented the drawbacks of traditional mass-based loading and discussed the potential benefits of using velocity based metrics such as average and peak velocity and power in the training of athletes. Mike also provides insight in to successful use of sport technology to increase compliance and usability.
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Learn the physiology and kinesiology of slideboard exercise. Learn how slideboard training improves cardiovascular capacity, strength, power, balance and stability. In ideal functional training tool that improves strength through accommodating eccentric load in all three planes of movement.
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Lecture includes phases of training and various plyometric workouts.
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A how to guide designed for personal trainers, athletic trainers, physical therapists and other movement professionals to get the most from their reACT Trainer!
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Attending the 2015 IHRSA Show in LA March 12 - 14th? Stop by and try out ActivMotion Bar at our booth or try our early morning workout. Show specials will be available at the booth, and we have limited product much of which is already pre-sold so stop by early to get your ActivMotion Bar!
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3. Three Types of Muscular Contractions
• Concentric – Muscle Shortening under
tension
• Isometric – muscle tension without any
change in length
• Eccentric aka “negative” – muscle
lengthens under tension
3
5. Concentric Contraction
Concentric contractions occur whenever you
are projecting force externally such as:
• lifting any object against gravity
• Performing an exercise on a machine where the
weight stack is moving up
• Throwing anything
• Jumping up, sideways or forward
• The push off phase of running.
5
6. Isometric Contractions
Isometric contractions occur whenever you
are stabilizing or preventing movement such
as:
• Rotator cuff muscles of the shoulder contract
isometrically to hold the head of the humerus into the
glenoid fossa while larger muscles like Pecs move
arm.
• Torso musculature contracts isometrically to maintain
the core in rigid alignment during most movments
including lifting, jump, throwing, etc.
6
7. Eccentric Contractions
Eccentric contractions occur whenever you
are absorbing force and decelerating such
as:
• Landing from a jump and landing phase of walking and
running
• Walking down stairs
• Cutting/changing direction rapidly while running
• Stopping quickly while running
• Absorbing bumps while skiing
• Decelerating arm when throwing 7
9. Eccentric Contractions
Muscles as Springs
• During most movement eccentric contractions allow us to
store kinetic energy which is then used during concentric
contractions – this process is ubiquitous and is known as
the Stretch Shortening Cycle or SSC.
• Up to 50% of all the energy needed to accelerate/lift the
body can be reclaimed from the eccentric/muscle
lengthening phase of the stride!
9
11. Elftman Principle
• Ranks muscle contractions based on their
inherent level of force production
• Muscles can produce the lowest amount of force
concentrically
• Muscles can produce more force isometrically
• Muscles can produce the most force eccentrically!
• During eccentric contraction force comes from
contractile elements AND from the viscoelastic
components of the connective tissue (primarily
tendons)!
11
12. Force- Velocity Curve
Unlike Concentric
contractions muscles are
capable of producing
more force the faster they
contract eccentrically (to
a point) which allows them
to store the kinetic energy
during rapid movements
such as a foot strike
during running.
12
14. Length/Tension Curve
Eccentric Training moves the
Length/Tension Curve
• Eccentric training increases a muscle’s
ability to produce force at a longer length!
• This is one of the ways eccentric training
prevents injury!
14
15. Effects of Eccentric Training
Eccentric exercise is thought to optimize the
alignment of myofibrils (contractile elements within
muscle fibers) allowing maximum leverage.
• This process helps explain the benefits of eccentric
exercise in the treatment of tendonitis.
• Eccentric exercise causes hypertrophy of tendons and
connective tissue increasing the tendons strength,
resistance to injury, and ability to store energy during
movement.
15
16. Eccentric vs Concentric Training
• Eccentric Training causes more rapid increases
in muscle size and strength!
• Strength from eccentric training carries over to
concentric training but NOT the other way
around!
• Since a muscle can produce much more force
eccentrically simply lowering your weights slowly
does not do much to overload or improve
eccentric strength!
16
18. Eccentrics and Metabolic Demand
• Eccentric Training requires a much lower level of
oxygen and cardiovascular work/stress and a
lower rate of perceived exertion for any given
level of force production/workload.
• Eccentric exercise has been proven to be ideal
for seniors and those with decreased
cardiovascular capacity because it quickly and
safely builds muscles and decreases fall risk
significantly!
18
19. Concerns with Eccentric Training
Eccentric Training can cause significant delayed
onset muscular soreness, acute decreases in
strength, and acute reduction in proprioceptive
ability.
These negative effects can be eliminated by:
• Gradual introduction and increases in interval
and total eccentric loading time
• Slow and gradual increase in intensity/load
during eccentric training.
19
20. DOMS and Training
• MYTH: training a sore muscle hurts recovery. All 3 studies
below come to the same conclusion: training sore muscles does
NOT hurt recovery. In fact, done properly, doing so can speed
up recovery by shuttling blood to recuperating muscle tissue.
• Nosaka K, Clarkson P.M. Muscle damage following repeated bouts of
high force eccentric exercise. Med. Sci. Sports Exrc., 27(9):1263-
1269,1995.
• Smith LL., Fuylmer MG., Holbert D., McCammon MR., Houmard JA.,
Frazer DD., Nsien E., Isreal RG. The impact of repeated bout of
eccentric exercise on muscular strength, muscle soreness and
creatine kinase. Br J Sp Med 28(4):267-271, 1994.
• T.C. Chen, Taipei Physical Education College, and S.S. Hsieh,
FACSM,. The effects of a seven-day repeated eccentric training on
recovery from muscle damage. Med. Sci. Sports Exrc. 31(5 Supp) pp.
S71, 1999.
20
21. Eccentric Training and
Anterior Cruciate Ligament Injury
• ACL tears are serious frequently requiring surgery, and
rehabilitation of ACL injury is challenging!
• Research shows that appropriate eccentric exercise for
ACL rehab is well tolerated and greatly accelerates
increases in muscle mass, strength and in hopping ability
compared to regular exercises!
21
23. Eccentric Exercise and Health
A study has shown that one weekly half hour bout
of eccentric exercise done for 8 weeks produces
significant health benefits including:
• Significant improvements in Resting Energy
Expenditure
• Increased Fat Utilization
• Improved Blood Lipid Profiles
• Decreased Insulin Resistance!
23
25. S.A.I.D. Principle
• Specific Adaptation to Imposed Demand is the
key principle to keep in mind when designing
exercise and rehab programs!
• The more specific the program relative to desired
outcomes the better results!
• An important aspect of program specificity is to
include specific conditioning relative to muscle
contraction type based on movement/sport
requirements.
25
26. S.A.I.D. Principle
• To properly train a person for activities/sports
requiring eccentric contractions the program must
include eccentric training!
• Since most activities and all sports require
eccentric strength – eccentric training should be
part of everyone’s training program!
• However most equipment and programs include
NO effective eccentric loading!
26
27. Existing Eccentric Training Methods
Trainers have devised ways to train eccentric
muscle strength and endurance.
However these methods pose several challenges
to implementation
• Many, such as plyometrics, ballistic training,
and heavy negatives pose significant risk of
injury and require careful preparation and
skilled coaching.
• Others use highly specialized, expensive
equipment
27
29. reACT Motion
• Reverse Bicycle Motion/Platform Changes Pitch
During Rotation
• Forces Legs to Absorb Energy with no impact
• Vertical Ellipse to Horizontal Ellipse
• No Impact with full Range of Motion
• Full control of movement speed
• Safe and secure
29
30. Validation
• 6 NFL Football Teams
• US Olympic Center at Lake Placid
• US Olympic Ski Team at Park City
• Navy SEALS
• Gonzaga University Basketball Team
30
31. reAct Pro Sports
• Houston Texans-NFL
• Indianapolis Colts-NFL
• Miami Dolphins-NFL
• New York Giants –NFL
• Tennessee Titan-NFL
• Washington Redskins-NFL
• Chicago Cubs-MLB
• Seattle Sonics (Okalahoma City Thunder) -NBA
31
32. Acclimitization and Initial Progressions
– The average new user will require 1 – 5 sessions to become
acclimatized to reACT so that they learn the basic
movements; get through any initial DOMS (delayed onset
muscular soreness); and have adapted so they no longer
experience DOMS.
– Until this acclimatization has taken place it is better to be
careful with intensity (keep speeds between 40-50; use a
work/rest ration of 1:2; and gradually progress number of
total sets and exercises).
– As a general rule, after acclimatization is complete initially
focus on volume progressions such as increased number of
sets, exercises, and set time.
32
33. Intensity Progressions
– Exercise intensity is primarily a function of three
variables:
• Platform Speed – 30 - 35 has high RPE with higher time under
tension for each platform cycle; while speeds of 40 – 50 have
lower RPE but demand more total work per minute; and
speeds of 60 – 70 greatly increase intensity.
• One leg versus two legs – one legged squats (either with non-
working leg held in front or to the rear) greatly increase
intensity because you effectively double the load!
• The addition of external weight such as vest also increases
load and therefore intensity. Adding weight should be the
LAST area of progression.
33
34. Work/Rest Ratio Progressions
– The work/rest ratio is important for progression and
customization of programming towards particular goals.
– Ideally the energy system requirements of the activity or
sport should be considered and the work/rest ratio
progressed accordingly:
• Example: football lineman focused on strength and power
would use smaller work/rest ratio (more rest time relative to
work time) plus higher platform speeds and eventually one leg
and/or external resistance when appropriate.
• Example: center halfback in soccer focused on endurance
would use larger work/rest ratio (less rest relative to work).
34
35. reACT Acute Training Variables
• Volume • Examples of progression
– Acclimatization period • After Acclimatization
– Time per set – Increase time per set
– Number of sets – Increase # sets
– Number of Exercises – Increase # exercises
• Work/Rest Ratio – > work/rest ratio
• Platform Speed – > or < Platform Speed
• Level of Compression/Extension – Increase level of
• Movement Progression compression/extension
• Load – Go from two feet to one foot
– Add weight vest
35
36. First Session for New Client
– Start clients facing forward with two feet parallel and
shoulder width apart with firm grip on handrails
– Start using manual program set for intensity/speed of 40
RPM and allow client to “ride” without flexing or extending at
hip/knee/ankle so client feels safe on machine.
– After client is comfortable riding progress to having them do
the basic squat (flex knees/hips/ankles as platform moves
up to absorb while holding on then extend as platform
moves down).
– Use short work intervals no longer than 30 Seconds with 1
minute off between sets. Do only 3 - 5 sets initially to avoid
excessive DOMS.
36
39. Speed/Intensity Recommendations
– Initially when learning reACT using a speed of 40 RPM
is recommended for short intervals (< 1 Min.)
– For the average person a speed of 30 RPM will
actually be associated with a much higher RPE (Rate
of Perceived Exertion) than faster speeds of 40 – 50.
– So RPE is high for slow speed of 30; moderate for
speeds of 40 – 50; and then high again at speeds
greater than 50.
– Speeds from 60 - 70 are advanced and not for
beginners!
39
40. Initial Exercise Progressions
– The first suggested progression is to go from two
hands holding on to one hand or two hands lightly
touching until your client can perform the basic squat
NOT holding on at all.
– Once your client can perform basic squat exercise
without support you can begin teaching a lunge stance.
– Note that it is appropriate to have clients hold on with
both hands again when learning new postures.
40
46. Side Facing Posture Progressions
– When your client has learned the front facing postures
they can begin to learn the side facing squat.
– As with all new postures the side facing
snowboard/skateboard/surf squat exercise should be
taught with your client holding on again with
progression to full compression and extension without
holding on.
46
50. Single Leg Squat Progression
– After learning forward & side facing postures the last
posture progression is the single leg Squat.
– Have your client face forward with one foot on the
platform and the other foot placed onto the standing
foot so that the toes are touching the top of standing
foot) while holding on with both hands. The client
compresses and extends with one leg from this secure
position.
– Progress to point where your client holds one foot up in
the air as other leg compresses and extends fully
without holding on with hands.
50
54. Advanced Exercises
After mastering all front, side facing and single leg squat
exercises a client can be progressed through advanced
exercises including (these are ADVANCED exercises that
should only be done with trainer supervision):
• The squat exercise holding on with eyes closed and
hands holding on. Progress slowly so that your client
can perform this challenge with one hand and then no
hands. Then you can progress to other postures for
maximum proprioceptive benefit!
• Begin to teach integrated functional movement patterns
with an upper body component like medicine ball throws
and catches.
54
56. Sample reACT 4 Week Program
Average User reACT 4 Week Program
Week Session # Exercises Speed # Sets Work Rest Load
1 1 Basic Squat 40 - 45 4 30 Sec. 60 Sec. BW
1 2 Basic Squat 40 - 45 5 30 Sec. 60 Sec. BW
2 1 Basic Squat 50 2 45 Sec. 90 Sec. BW
2 1 Lunge Left 40 - 45 2 45 Sec. 90 Sec. BW
2 1 Lunge Right 40 - 45 2 45 Sec. 90 Sec. BW
2 2 Basic Squat 50 2 45 Sec. 90 Sec. BW
2 2 Side Squat Left 40 - 50 2 30 Sec. 60 Sec. BW
2 2 Side Squat Right 40 - 50 2 30 Sec. 60 Sec. BW
3 1 Basic Squat 50 2 45 Sec. 60 Sec. BW
3 1 Lunge Left 50 2 45 Sec. 60 Sec. BW
3 1 Lunge Right 50 2 45 Sec. 60 Sec. BW
3 2 Basic Squat 50 2 45 Sec. 60 Sec. BW
3 2 Side Squat Left 50 2 45 Sec. 60 Sec. BW
3 2 Side Squat Right 50 2 45 Sec. 60 Sec. BW
4 1 Basic Squat 50 2 45 Sec. 45 Sec. BW
4 1 Lunge Left 50 2 45 Sec. 45 Sec. BW
4 1 Lunge Right 50 2 45 Sec. 45 Sec. BW
4 2 Basic Squat 50 2 45 Sec. 45 Sec. BW
4 2 Side Squat Left 50 2 45 Sec. 45 Sec. BW
4 2 Side Squat Right 50 2 45 Sec. 45 Sec. BW
Legend: BW is bodyweight
Rest is time spent riding with knees straight to rest between work sets
56
Work is the duration of each work interval
57. References/Bibliography
• Kent E . Timm, Clinical Applications of Eccentric Exercise Isokinetics
and Plyometrics. Hong Kong Physiother. J. 1991/1992; 13: 1 -4
• Standish WD, Rubinovich RM, Curwin S (1986) : Eccentric exercise
in chronic tendinitis. Clin Orthop 208: 65-68
• Timm KE, Davies GJ (1991) : Eccentric exercise . In : Duncan P (ed),
Proceedings of the Annual Conference of the American Physical
Therapy Association, Boston, MA. : American Physical Therapy
Association
• Standish WD, Rubinovich RM, Curwin S (1986) : Eccentric exercise
in chronic tendinitis. Clin Orthop 208: 65-68.
• Elftman H (1966) : Biomechanics of muscle. J Bone Jt Surg 48A:
363-370 .
• Kaneko M, Komi PV, Aura O (1984) : Mechanical efficiency
ofconcentric and eccentric exercises performed with medium to fast
contraction rates. Scand J Sports Sci 6: 15-20.
57
58. References/Bibliography
• Friden J, Seger J, Sjostrom M, Eckblom B (1983) : Adaptive response in
human skeletal muscle subjected to prolonged eccentric training . Int JSports
Med4: 177-183 .
• Daniel Lorenz; Michael Reiman: the role and Implementation of Eccentric
Training in Athletic Rehabilitation: Tendinopathy, Hamstring Strains, and ACL
Reconstruction. The International Journal of Sports Physical Therapy|Volume
6, Number 1| March 2011 | Page 27
• Nelson RT. (2006). A comparison of the immediate effects of eccentric
training vs. static stretch on hamstring flexibility in high school & college
athletes. North American Journal of Sports Physical Therapy, 1(2):56 – 61.6.
• Pashalis, Vassilis, Nikolaidis; Michalis G.; Theodorou, Anastasios A.;
Panayiotou, George; Fatouros, Ioannis G.; Koutedakis, Yiannis; Jamurtas,
Athanasios: A Weekly Bout of Eccentric Exercise Is Sufficient to Induce
Health-Promoting Effects. Medicine & Science in Sports & Exercise: January
2011 - Volume 43 - Issue 1 - pp 64-73
58
59. References/Bibliography
• LaStayo PC, Ewy GA, Pierotti DD, Johns RK, Lindstedt; S. The positive effects of negative work:
increased muscle strength and decreased fall risk in a frail elderly population. J Gerontol A Biol Sci
Med Sci. 2003;58:M419-424
• LaStayo PC, Pierotti DJ, Pifer J, Hoppeler H, Lindstedt; SL. Eccentric ergometry: increases in
locomotor muscle size and strength at low training intensities. Am J Physiol Regul Integr Comp
Physiol. 2000;278:R1282-1288.
• Lastayo PC, Reich TE, Urquhart M, Hoppeler H, Lindstedt SL. Chronic eccentric exercise:
improvements in muscle strength can occur with little demand for oxygen. Am J Physiol.
1999;276:R611-615.
• Lindstedt SL, LaStayo PC, Reich TE. When active muscles lengthen: properties and consequences
of eccentric contractions. News Physiol Sci. 2001;16:256-261.
• J. Parry Gerber, Robin L. Marcus, Leland E. Dibble, Patrick E. Greis, Robert T. Burks and Paul C.
LaStayo. Effects of Early Progressive Eccentric Exercise on Muscle Structure After Anterior
Cruciate Ligament Reconstruction. J. Bone Joint Surg. Am. 89:559-570, 2007.
doi:10.2106/JBJS.F.00385
59
60. References/Bibliography
• J. Parry Gerber, Robin L. Marcus, Leland E. Dibble, and Paul C. LaStayo. The Use of Eccentrically
Biased Resistance Exercise to Mitigate Muscle Impairments Following Anterior Cruciate Ligament
Reconstruction: A Short Review. Sports Health: A Multidisciplinary Approach January 2009 1:31-
38;doi:10.1177/1941738108327531
• J. Parry Gerber, Robin L. Marcus, Leland E. Dibble, Patrick E. Greis, Robert T. Burks and Paul C.
LaStayo. Effects of Early Progressive Eccentric Exercise on Muscle Structure After Anterior
Cruciate Ligament Reconstruction. J. Bone Joint Surg. Am. 89:559-570, 2007.
doi:10.2106/JBJS.F.00385
• Nosaka K, Clarkson P.M. Muscle damage following repeated bouts of high force eccentric exercise.
Med. Sci. Sports Exrc., 27(9):1263-1269,1995.
• Smith LL., Fuylmer MG., Holbert D., McCammon MR., Houmard JA., Frazer DD., Nsien E., Isreal
RG. The impact of repeated bout of eccentric exercise on muscular strength, muscle soreness and
creatine kinase. Br J Sp Med 28(4):267-271, 1994.
• T.C. Chen, Taipei Physical Education College, and S.S. Hsieh, FACSM,. The effects of a seven-day
repeated eccentric training on recovery from muscle damage. Med. Sci. Sports Exrc. 31(5 Supp) pp.
S71, 1999.
60
61. References/Bibliography
• T.E. Reich, S. L. Lindstedt, P. C. Lastayo, D. J. Pierotti. Is the spring quality of muscle plastic? Am J
Physiol Regulatory Integrative Comp Physiol 278: R1661–R1666, 2000
• Taylor CR. Force development during sustained locomotion: a determinant of gait, speed and
metabolic power. J Exp Biol 115:253–262, 1985
• Johnson, B. L., J. W. Adamaczyk, and K. O. Tennoe. A comparison of concentric and eccentric
muscle training. Med. Sci.Sports Exerc. 8: 35–38, 1976. 19.
• D. A., and O. M. Rutherford. Human muscle strength training: the effects of three different regimes
and the nature of the resultant changes. J. Physiol. (Lond.) 391: 1–11, 1987. 20.
• Komi, P. V., and E. R. Buskirk. Effect of eccentric and concentric muscle conditioning on tension
and electrical activity of human muscle. Ergonomics 15: 417–434, 1972.
• Abbott, B. C., B. Bigland, and J. M. Ritchie. The physiological cost of negative work. J. Physiol.
(Lond.) 117: 380–390, 1952.
• Friden, J. Adaptive response in human skeletal muscle subjected to prolonged eccentric training.
Int. J. Sports Med. 4:177–183, 1983.
61
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