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Konin ©2009
Jeff G. Konin, PhD, ATC, PTAssociate Professor & Vice Chair
Department of Orthopaedics & Sports Medicine
Executive Director The Sports Medicine & Athletic Related Trauma (SMART) Institute
Preventing Injuries in Throwers with the Core and Hips
Konin ©2009
Serape Draped loosely and crosses over the
front of the body in an “x” shape
The concept has been translated to muscle function reinforcing the muscles of the core as a connector
The serape muscles are considered
to include: the rhomboids, serratus anterior,
external obliques and internal obliques
Logan, G., & McKinney, W. 1970. The serape effect. In Anatomic Kinesiology (2nd Ed., pp. 154-561). New York: William C. Brown, Co.
a colorful garment worn by the
people of Mexico
Konin ©2009
Serape Effect
In ballistic actions such as throwing and kicking, the serape muscles add to the summation of internal forces. They also transfer internal force from a large body segment, the trunk, to relatively smaller body parts, the limbs
Hip to shoulder relationship
Konin ©2009
Logan, G., & McKinney, W. 1970. The serape effect. In Anatomic Kinesiology (2nd Ed., pp. 154-561). New
York: William C. Brown, Co
Konin ©2009
Deficits in measurable active & passive hip extension, active hip flexion with pain (Kouvalchouk Rev Chir Orthop 1998)
Serape EffectKonin et al ATT 2003
Konin ©2009
Konin ©2009
Preventing Injuries in Throwers with the Core and Hips
LE Flexibility (Used as part of an overall warm-up)Ipsilateral hip extension
Hip IR/ER (Lack of IR will force truck to open early and increase stress on medialElbow and /or anterior shoulder)
Core Training for Throwers Abdominal Bracing /Drawing in maneuver
Prone Cobra ProgressionLE Balance/Proprioception*
Standing Pulls - ant/post/lat pull (Weak gluts cause the hip to drop leading to drop of shoulder)LE Functional Strength Training**
Wind-Up/Lunge with twist Lunge with twist
Step-Ups with twist*Functional exercise that is multiplanar, incorporates the lumbo-pelvic-hip core
complex and can be challenged with proprioceptive input from unstable surfaces,eyes closed, etc
** Lunge strength will help deceleration injuries to the shoulder
Konin ©2009
Preventing Injuries in Throwers with the Core and Hips
LE Flexibility (Used as part of an overall warm-up)Ipsilateral hip extensionHip IR/ER (Lack of IR will force truck to open early and increase stress on medial
Elbow and /or anterior shoulder)
Konin ©2009
Preventing Injuries in Throwers with the Core and Hips
Core Training for Throwers Abdominal Bracing /Drawing in maneuverProne Cobra Progression
Konin ©2009
Preventing Injuries in Throwers with the Core and Hips
LE Balance/Proprioception* Standing Pulls - ant/post/lat pull (Weak gluts cause the hip to drop leading to drop of shoulder)*Functional exercise that is multiplanar, incorporates the lumbo-pelvic-hip core
complex and can be challenged with proprioceptive input from unstable surfaces, eyes closed, etc
Konin ©2009
Preventing Injuries in Throwers with the Core and Hips
LE Functional Strength Training**Wind-Up/Lunge with twist Lunge with twist Step-Ups with twist** Lunge strength will help deceleration injuries to the shoulder
Konin ©2009
Summary
An example of a program that can be implemented to maximize
performance and reduce injury