Flexibility
Flexibility
Stretching Guidelines (Alter)
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Historical reference: its only source is the original reference manual, and some of it may be out of date. Not used for AI answers until re-sourced.
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DefinitionA short reference note, not a full lesson.
Definition
Eight how-to rules for safe stretching from Alter (1996): warm up first, isolate the muscle, move in slowly, align properly, breathe out into the stretch, hold ~10 seconds, concentrate, and come out carefully.
Detail
From "Stretching for Fitness" (Alter, 1996), the stretching guidelines are:
- a. Warm-up prior to stretching (see General (Aerobic) Warm-Up).
- b. Isolate the muscle group to be stretched.
- c. Move slowly and smoothly into the stretch to avoid initiation of the stretch reflex (see Stretch Reflex Resetting).
- d. Use proper mechanics and strive for correct alignment.
- e. Breathe normally and freely, but accentuate the exhalation when moving deeper into the stretch.
- f. Hold the stretch (usually about 10 seconds or more) and relax. DO NOT strain or passively force a joint beyond its normal range of motion.
- g. Concentrate and feel the stretch.
- h. Come out of each stretch as carefully as you went into it.
Key facts
- Warm up before stretching.
- Isolate the target muscle group.
- Move slowly and smoothly in (avoids triggering the stretch reflex).
- Use proper mechanics / correct alignment.
- Breathe freely; accentuate exhalation going deeper.
- Hold ~10 seconds or more; do not force a joint beyond normal ROM.
- Concentrate and feel the stretch.
- Come out as carefully as you went in.
Connections
- General (Aerobic) Warm-Up — guideline (a) requires warming up first.
- Stretch Reflex Resetting — moving slowly avoids initiating this reflex.
- Static Stretching — the technique these guidelines support.
- Stretching Controversy — companion cautions from the same source.
- When Not to Stretch (Precautions) — the contraindications listed alongside.
Sources
Historical reference · reference manual (page cited)
p.204
Cited authority in source: Alter (1996), Science of Stretching.
Keep this lesson, or ask how it applies to you.
Educational content only — not medical advice. Always consult a qualified professional for individualized guidance, especially around injury, pregnancy, or medical conditions.
Explore related topics
Stretching Guidelines (Alter)
When Not to Stretch …Static StretchingStretch Reflex Reset…Stretching ControversyGeneral (Aerobic) Wa…Atlas Connections
When Not to Stretch (Precautions)
Do not stretch if a bone blocks motion, after a recent fracture, with suspected joint infection/inflammation, with osteoporosis, with sharp acute pain on movement, or with certain vascular/skin diseases.Static Stretching
Stretching to the farthest point and holding the position — the safest technique, requiring the least energy and giving time to reset the stretch reflex, change length, and relax the muscle via the GTOs.Stretch Reflex Resetting
When a muscle is stretched suddenly the stretch reflex makes it contract, but training can raise the threshold at which the reflex fires, letting the muscle relax further into the stretch.Stretching Controversy
Stretching is not a panacea — for some athletes it may increase the risk of ligament injury and joint separation/dislocation, and excessively loose joints may lead to premature osteoarthritis.General (Aerobic) Warm-Up
Light aerobic activity (bike, treadmill, rower, etc.) that elevates the heart rate 20–30 bpm above rest for 5–10 minutes, to raise muscle temperature, boost blood flow, and reduce injury risk.