Impact Training: Benefits, Types & Tips
Impact training refers to exercise forms involving repeated physical impacts that strengthen bones, muscles, and joints, improving bone density, strength, and coordination.
Things worth knowing about "Impact Training"
Impact training refers to exercise forms involving repeated physical impacts that strengthen bones, muscles, and joints, improving bone density, strength, and coordination.
What Is Impact Training?
Impact training refers to physical exercise forms in which the body is subjected to repeated mechanical loading through impact forces. Common examples include running, jumping, skipping rope, and plyometric exercises. These mechanical stimuli promote bone and muscle development and are considered a key component of comprehensive fitness and preventive health programs.
Mechanism of Action
During impact training, compressive and shear forces act on the musculoskeletal system. These mechanical stresses activate specialized bone cells called osteoblasts, which are responsible for new bone formation. At the same time, muscles, tendons, and ligaments are strengthened, improving the overall stability of the musculoskeletal system.
- Activation of osteoblasts to increase bone mineral density
- Strengthening of muscles and stabilizing structures
- Improvement of neuromuscular coordination
- Stimulation of collagen synthesis in tendons and ligaments
Forms of Impact Training
Low-Impact Training
Low-impact training includes movement forms in which at least one foot remains in contact with the ground or the loading intensity is kept low. Typical examples include walking, swimming, cycling, and aqua fitness. This form is particularly suitable for beginners, older adults, and individuals with joint or bone conditions.
High-Impact Training
High-impact training involves activities with intense impact forces, during which both feet briefly leave the ground, such as running, aerobics, sprinting, or jump training. This form places comparatively higher loads on joints, bones, and muscles, and is especially effective for increasing bone density.
Plyometric Training
Plyometric training is a specialized form of high-impact training based on explosive movements such as box jumps, depth jumps (drop jumps), or broad jumps. It improves explosive power and is frequently used in competitive sports.
Health Benefits
- Bone density: Regular impact training has been shown to increase bone mineral density and help prevent osteoporosis.
- Muscle strength: Impact loads activate large muscle groups and promote muscle development.
- Cardiovascular health: High-impact forms in particular improve cardiovascular fitness.
- Coordination and balance: Impact training enhances balance and proprioceptive awareness.
- Weight management: High caloric expenditure supports weight control.
Risks and Contraindications
Despite its many benefits, impact training -- especially high-impact variants -- carries an increased risk of injury to joints, ligaments, and bones. The following groups should consult a physician before beginning an impact training program:
- Individuals with existing joint or bone conditions (e.g., osteoarthritis, osteoporosis)
- People recovering from musculoskeletal injuries or surgeries
- Pregnant women and those in the postpartum period
- Individuals with severe obesity
- Older adults without prior training experience
Recommendations for Getting Started
Beginners should start with low-impact forms and gradually increase intensity. Proper technique, appropriate footwear, and sufficient recovery periods are essential to avoid overuse injuries. Professional guidance from a certified sports therapist or fitness trainer is recommended.
References
- Kohrt, W.M. et al. (2004): Physical Activity and Bone Health. Medicine & Science in Sports & Exercise, 36(11), 1985-1996.
- World Health Organization (WHO): Global recommendations on physical activity for health. Geneva, 2010.
- Beck, B.R. & Snow, C.M. (2003): Bone health across the lifespan -- exercising our options. Exercise and Sport Sciences Reviews, 31(3), 117-122.
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