Lift · Lots of talk
Lengthened partials
Also called lengthened partial · stretched partials · long-length partials · deep stretch hypertrophy
Community talk. May contain inaccuracies. Not medical, training, or diet advice. Sharp pain, fainting, or disordered-eating concerns need a clinician.
Lengthened partials are repetitions restricted to the part of an exercise where the working muscle is relatively stretched. Lifters use them for muscle growth, but they have not consistently outperformed full-range repetitions.
Wolf et al. · 202501
What the repetitions involve
A calf partial uses the lowered-heel end. The heel rises from below the step toward level, then lowers again. Repeated tiptoe squeezes use the shortened end instead. The relevant joint position changes with the exercise.
Larsen et al. · 2025Partial-only sets, finishers and alternating reps differ. A set can stay in the long range throughout. A finisher adds partials after complete reps become impossible. Forum users also describe one full repetition followed by one lengthened half-repetition, often called an integrated or 1.5-rep pattern.
Community · Reddit · 2024Four sets twice weekly was one study format. An eight-week upper-body trial used roughly half-range reps, two-second lowering and a one-second pause. Its exercise-specific targets were 5–10 or 10–15 reps; this was a supervised comparison, not a universal routine.
Wolf et al. · 2025The rep style does not replace a program. It can fit within push/pull/legs, upper/lower or a strength routine such as 5/3/1. Weekly scheduling and progressive overload—increasing training demands over time—remain separate decisions. A beginner still needs to understand the complete movement.
CommunityKeep full and partial repetitions separate in the log. An illustrative set of eight full reps followed by four lengthened partials is '8 full + 4 partial', not twelve full reps. Next time, nine full reps plus three partials still totals twelve movements but represents a different set. Note the exercise and stopping points so a longer set does not quietly become a shorter range of motion.
Illustrative log02
What it may offer
Muscle growth can be similar to full-range work. A 2026 knee-extension trial found similar thigh-muscle thickness changes with lengthened partials and full range over eight weeks. The partial group used a lower relative load, so this does not isolate range alone or establish superiority across exercises.
McMahon et al. · 2026Both calf-set formats produced growth. In 23 trained adults, partial-only sets and full-range sets followed by partials increased measured calf thickness. The estimated advantage for partial-only sets remained uncertain. This supports options, not a reason everyone must add finishers.
Larsen et al. · 202503
What can change the decision
A big study can still have measurement limits. A 15-site comparison found very small differences over 12 weeks. Its opened preprint estimated arm and thigh muscle area from circumference and skinfold measurements, rather than directly scanning individual muscles.
Gschneidner et al. · 2024 preprintPartials can make reracking difficult. One lifter warned that a failed partial press or squat might leave too little strength to return the bar to the rack. Replies discussed safeties, spotters and equipment choice. A machine still needs a workable exit from the set.
Community · Reddit · 2024A partial-rep record is a different record. More weight or reps may reflect a changed path rather than improved strength through the complete lift. Reports describe filming a set and recording its range, and warn about copying heavy clips or maximal deadlifts while shortening the movement.
CommunitySharp joint pain is a stop signal. Reports distinguish a muscle stretch or burn from a painful shoulder, elbow or knee. They avoid bouncing into that position, including deep flies. Sharp pain or fainting needs a clinician; forcing a deeper stretch is not the answer.
Community04
What lifters report in practice
Reports include 2–4 sets of 8–15 reps. Some describe a controlled 1–2-second pause, one or two selected isolation moves per session, or 1–2 weekly extras per muscle. These are different reported arrangements, not one combined prescription; the record does not specify what each extra includes.
CommunityMachines and cables can make the range easier to use. A May discussion included calf-growth reports and a lifter who preferred machines and cables over awkward dumbbell or barbell setups. Other replies reported disappointing arm growth. Feeling a stretch did not settle which exercise worked best.
Community · Reddit · 2024A stronger pump can bring more soreness. A lifter adding partials after full-range leg extensions, side raises and pushdowns described enjoyable pumps but persistent extra soreness after two months. Replies disputed the mechanism; the experience did not demonstrate extra growth.
Community · Reddit · 2023Some lifters see no clear size advantage. A year-long user reported no noticeable growth, with some time spent cutting. Another reported worse rep-strength progress for back and chest over two training blocks but better calf results. They acknowledged other explanations, including exercise choice and changing set counts.
Community · Reddit · 2024Keeping the same stopping point takes work. One lifter returned mostly to full range because partial depth was hard to standardize. Others used physical reference points to keep their repetitions comparable. That disagreement concerns tracking progress, not just whether the exercise feels hard.
Community · Reddit · 2024Some use partials for a 4–8-week block. They record one stretch set, reduce extra partials during a deload while keeping movement practice, or park them during meet preparation. The method remains optional; a pump or next-day soreness is not their only reason to keep it.
CommunityThe long-end versus squeeze debate reaches rows too. A low-row discussion favored tension while the muscle was long; a reply preferred it to the shortened squeeze and had just tried it. No outcome followed the question about how it went. Other replies discussed the unused chest pad and liking the machine.
CommunityLifters disagree about replacing full-range work. The stretch debate includes enthusiasm around Nippard and Israetel, skepticism about renaming familiar bodybuilding practice, and people who keep full reps alongside partials. Those positions differ from proving that one range is best for every muscle.
Community · Reddit · 2024References for this topic
Sources and context
Has "the stretch" been proven to be as important as the modern fitness scene will lead you to believe? ↗
- id
- fit-partials-history — Has "the stretch" been proven to be as important as the modern fitness scene will lead you to believe?
- platform
- Reddit · r/naturalbodybuilding
- role
- Community discussion
- accessed On
- 2026-09-07
- locator
- 2024-08-18–19 replies describing partial finishers and alternating full and half reps.
- scope
- Indexed historical discussion of set formats and older bodybuilding practice.
- limitations
- Deliberately historical, not a current study review. Scientific claims and claimed growth effects in the thread are not adopted.
Daily Discussion Thread (June 11, 2026) - Beginner and Simple/Quick Questions Go Here ↗
- id
- fit-partials-current — Daily Discussion Thread (June 11, 2026) - Beginner and Simple/Quick Questions Go Here
- platform
- Reddit · r/naturalbodybuilding
- role
- Community discussion
- accessed On
- 2026-09-07
- locator
- 2026-06-11 thread, FunTimesWit reply describing the last reps as lengthened partials.
- scope
- Opened a current first-person description of a set-ending technique.
- limitations
- Only the reported practice is used; surrounding muscle-growth, recovery and injury advice was not verified or adopted.
Lengthened partial repetitions elicit similar muscular adaptations as full range of motion repetitions during resistance training in trained individuals ↗
- id
- fit-guide-lengthened-peerj-2025 — Lengthened partial repetitions elicit similar muscular adaptations as full range of motion repetitions during resistance training in trained individuals
- platform
- PeerJ
- role
- Professional context
- accessed On
- 2026-09-24
- locator
- Abstract; Range of motion paragraph; Table 2 protocol; resistance-training procedures
- scope
- The 2025 trial's half-range definition, pause and lowering cues, four-set upper-body protocol, and the similar thickness and 10-rep results versus full range.
- limitations
- One eight-week upper-body trial in trained adults. It does not prescribe a general program, and it does not prove lengthened partials outperform a full range.
- slugs
- lengthened-partials
American College of Sports Medicine Position Stand. Resistance Training Prescription for Muscle Function, Hypertrophy, and Physical Performance in Healthy Adults ↗
- id
- fit-guide-lengthened-acsm-2026 — American College of Sports Medicine Position Stand. Resistance Training Prescription for Muscle Function, Hypertrophy, and Physical Performance in Healthy Adults
- platform
- American College of Sports Medicine
- role
- Professional context
- accessed On
- 2026-09-24
- locator
- Abstract results on voluntary strength and the March 5, 2026 publication line
- scope
- The 2026 stand links strength findings to a complete range of motion, heavier loads, two to three sets, early placement, and at least two sessions a week.
- limitations
- An overview of reviews for healthy adults. It does not test lengthened partials as a named method.
- slugs
- lengthened-partials
- powerbuilding
- ppl
- bwf-rr
- rest-days
Lengthened partial repetitions versus full range, PeerJ 2025 ↗
- id
- fit-rebuild-lengthened-partials-wolf-2025 — Lengthened partial repetitions versus full range, PeerJ 2025
- platform
- PubMed Central
- role
- Professional context
- accessed On
- 2026-09-27
- published Or Updated
- 2025-02-12
- locator
- Abstract, introduction, Table 2 protocol, range-of-motion procedures, and discussion
- scope
- Half-range definition, two-second lowering, one-second pause, four-set upper-body plan, and the similar elbow-thickness and 10-rep results versus full range.
- limitations
- One eight-week upper-body trial in trained adults. It does not show that partials beat a full range, and the PeerJ site itself did not load.
- slugs
- lengthened-partials
Resistance Training Beyond Momentary Failure: The Effects of Past-Failure Partials Versus Initial Partials on Calf Muscle Hypertrophy Among a Resistance-Trained Cohort ↗
- id
- fit46-lengthened-partials-calf-formats-2025 — Resistance Training Beyond Momentary Failure: The Effects of Past-Failure Partials Versus Initial Partials on Calf Muscle Hypertrophy Among a Resistance-Trained Cohort
- slugs
- lengthened-partials
- role
- Professional context
- platform
- Wiley · European Journal of Sport Science
- locator
- Abstract; sections 2.3 and 4.2; first-published date
- scope
- Calf-rep example and direct comparison of two set formats.
- limitations
- Small eight-week within-person calf trial; uncertain difference. Funded by Jaquish Biomedical. Not evidence that all muscles respond alike.
- accessed On
- 2026-09-29
- published Or Updated
- 2025-08-24
Moderate Intensity Resistance Training With Partial Range-of-Motion at Long Muscle Lengths Elicits Similar Hypertrophy and Architectural Adaptations as High Intensity Resistance Training Using Full Range-of-Motion ↗
- id
- fit46-lengthened-partials-knee-trial-2026 — Moderate Intensity Resistance Training With Partial Range-of-Motion at Long Muscle Lengths Elicits Similar Hypertrophy and Architectural Adaptations as High Intensity Resistance Training Using Full Range-of-Motion
- slugs
- lengthened-partials
- role
- Professional context
- platform
- PubMed · Journal of Strength and Conditioning Research
- locator
- Publication date and abstract, PMID 42392615; DOI 10.1519/JSC.0000000000005561
- scope
- Primary trial abstract supporting the bounded knee-extension comparison.
- limitations
- Abstract inspected, not publisher full text. Forty-five subjects across four groups; load and range both varied. No general safety or performance inference.
- accessed On
- 2026-09-29
- published Or Updated
- 2026-07-02
The effects of lengthened-partial range of motion resistance training of the limbs on arm and thigh muscle cross-sectional area: a multi-site cluster trial (preprint) ↗
- id
- fit46-lengthened-partials-multisite-preprint-2024 — The effects of lengthened-partial range of motion resistance training of the limbs on arm and thigh muscle cross-sectional area: a multi-site cluster trial (preprint)
- slugs
- lengthened-partials
- role
- Professional context
- platform
- SportRxiv · author preprint
- locator
- PDF pages 1 and 4–5: abstract, Muscle Area Measurement, Intervention; manuscript update line
- scope
- Size and measurement limitations of the multi-site comparison.
- limitations
- Read the 2024 preprint, not the later published version. Authors include commercial training-provider affiliations. Avoid claiming formal equivalence from its nonsignificant prespecified tests.
- accessed On
- 2026-09-29
- published Or Updated
- 2024-12-17
Lengthened partials implementation ↗
- id
- fit46-lengthened-partials-implementation-reddit-2024 — Lengthened partials implementation
- slugs
- lengthened-partials
- role
- Community discussion
- platform
- Reddit · r/naturalbodybuilding
- locator
- -MadeInCanada-'s return-to-full-range account and surrounding replies by grammarse and Delta3Angle
- scope
- Range standardization, set exits and disagreement about compound lifts.
- limitations
- Reports and opinions, not comparative injury evidence or proof of an optimal exercise range.
- accessed On
- 2026-09-29
- published Or Updated
- 2024-09-12
Lengthened partials people: how’s it going? ↗
- id
- fit46-lengthened-partials-experiences-reddit-2024 — Lengthened partials people: how’s it going?
- slugs
- lengthened-partials
- role
- Community discussion
- platform
- Reddit · r/naturalbodybuilding
- locator
- Original questions; calf replies; Delta3Angle's eight-month account; The_Sir_Galahad and MDawgityDawg's arm accounts
- scope
- Equipment preferences, enthusiasm, exercise-dependent results and disagreement.
- limitations
- Self-selected, unverified anecdotes with changing diets and exercises. Biomechanical assertions in replies are not adopted as scientific findings.
- accessed On
- 2026-09-29
- published Or Updated
- 2024-05-24
Experiencing increased muscle soreness with long-length partials ↗
- id
- fit46-lengthened-partials-soreness-reddit-2023 — Experiencing increased muscle soreness with long-length partials
- slugs
- lengthened-partials
- role
- Community discussion
- platform
- Reddit · r/naturalbodybuilding
- locator
- Lanterfant's opening and follow-up that soreness persisted after two months; surrounding replies
- scope
- Pump enjoyment versus recovery burden in a set-ending practice.
- limitations
- One account. Reply mechanisms, soreness treatments and categorical claims about particular muscles are not verified or adopted.
- accessed On
- 2026-09-29
- published Or Updated
- 2023-12-14
Has anyone NOT seen a difference in hypertrophy from doing lengthened partials? ↗
- id
- fit46-lengthened-partials-nonresponse-reddit-2024 — Has anyone NOT seen a difference in hypertrophy from doing lengthened partials?
- slugs
- lengthened-partials
- role
- Community discussion
- platform
- Reddit · r/naturalbodybuilding
- locator
- Hogpharmer's opening and clarification; feraask's two-block comparison and set-count explanation
- scope
- No visible benefit, mixed body-part response and acknowledged confounding.
- limitations
- No control group, measured growth or unchanged training conditions. Reply physiology and outcome predictions are not accepted.
- accessed On
- 2026-09-29
- published Or Updated
- 2024-02-05
Keep this topic in view
Preserved original record
Earlier public profile and reader notes are preserved separately from the current article. They may contain superseded wording and are not newly checked material.
Read the full original profile
- slug
- lengthened-partials
- name
- Lengthened partials
- aliases
- lengthened partial
- stretched partials
- long-length partials
- deep stretch hypertrophy
- family
- lift
- heat
- high
- talk
- Lots of talk
- most Discussed
- false
- first Line
- Lengthened partials are exercise repetitions limited to the part of the movement where the working muscle is relatively stretched.
- why Line
- Lifters compare full-range sets, partial reps after a full-range set and sets built around partials, often debating which movements make the idea practical.
- feel Words
- lengthened partials
- stretch hypertrophy
- long muscle length
- partial reps
- common Picture
- lead
- Reported sets: 2–4 of 8–15 repetitions
- why
- Some examples use a controlled 1–2-second pause in the stretched position. [community]
- lead
- Exercise setup determines the muscle’s position
- why
- Machines and isolation exercises appear in reports; the same visual range means different things across lifts. [community]
- lead
- Load and range need to be compared together
- why
- A partial-rep weight does not directly equal a full-range personal best. [community]
- watch For
- Bouncing out of a stretch that hurts. Replacing every lift with partials. Copying a reel on a max deadlift.
- what People Say
- The job: more time where the muscle is long, because 2024–26 science-IG said that region grew better in a pile of studies. [community]
- Jeff Nippard / Israetel-adjacent rooms made the phrase loud. [community]
- r/naturalbodybuilding debates full range of motion (ROM) versus working only through the lengthened part of a movement. [community]
- Why people like it: the stretch burn is obvious. They feel the target. [community]
- Why skeptics groan: they already trained deep. This is a new word for the bottom. [community]
- Not “partials” as in cheating lockouts. Opposite end of the lift. [community]
- Compounds: some add a lengthened set after; they do not turn squats into half-reps as a personality. [community]
- Pain in the joint, not the muscle: they abort the stretch. [community]
- Beginners need a full ROM picture first or they only learn the bottom. [community]
- Lengthened partials describe a rep style for muscle-building work. A strength program such as 5/3/1 still has its own progression rules. [community]
- Reels lie about load. They look heavier because the range is shorter. [community]
- how People Run It
- Pick one or two isolation moves per session, not the whole workout. [community]
- 2–4 sets in the long range, with a controlled eccentric—the phase in which the working muscle lengthens. [community]
- Stop the rep before the muscle shortens all the way if they are doing “lengthened-only.” [community]
- Or: full ROM, then a back-off of lengthened partials. [community]
- They keep a slight bend so ligaments are not the mover. [community]
- They do not bounce. [community]
- They leave when the target is pumped, not when the joint is barking. [community]
- amounts People Use
- Sets: 2–4 on the chosen move. [community]
- Reps: often 8–15 in the long range. [community]
- Frequency: 1–2 extras per muscle a week, not every set of every lift. [community]
- Load: less than a full-ROM top-end if they used to cheat lockouts. [community]
- Time in stretch: a 1–2 second pause shows up in cues. [community]
- how People Keep It
- One “stretch set” written on the card so it does not eat the program. [community]
- Machines / cables when free-weight stretch is ugly. [community]
- They film one set to see if they actually stayed long. [community]
- They drop it on a meet block. [community]
- Sore in the muscle the next day is expected; joint ache is not the keep-signal. [community]
- how It Feels
- First week: an unfamiliar stretch and pump, sometimes followed by delayed-onset muscle soreness (DOMS). [community]
- If they bounced: they feel athletic and learned nothing. [community]
- If they loaded a deep fly too heavy: shoulder story. [community]
- After a month: the movement feels like the target, not the joint. [community]
- Ego week: they add plates and lose the length. [community]
- Deload: they keep ROM, they drop the extra partials. [community]
- how Long People Run It
- As an addition during a training block, often described over 4–8 weeks. [community]
- An optional set style, rather than a requirement for every future training block. [community]
- Strength block: they park it. [community]
- They bring it back on a hypertrophy block. [community]
- deep Dive
- Progressive overload describes increasing training demands over time. Lengthened partials describe which part of a movement a rep uses. [community]
- Push/pull/legs (PPL) or upper/lower routines can include lengthened partials without changing the weekly split. [community]
- Full-range reps and lengthened partials can appear in the same routine. Using partials does not require removing every full-range set. [community]
- Studies people paste are often on specific machines and trained lifters. [trial]
- Training frequency and set style are separate: the number of days in the gym does not specify which part of a movement each rep uses. [community]
- watch For Long
- Sharp joint pain in the stretch is a stop. [community]
- Short reps only near lockout are different from reps in the lengthened portion of a movement. [community]
- Deadlift lengthened-only is how backs get a story. [community]
- Chasing Instagram load in a shortened range. [community]
- Replacing a whole program with one cue. [community]
- related
- progressive-overload
- ppl
- upper-lower
- deload-week
- ten-minute-mobility
- research Pointer
- house Pointers
- play Pointer
- —
- sources
- Nippard / Israetel 2025–26 hypertrophy cues
- r/naturalbodybuilding ROM threads
- disclaimer
- Community talk may be wrong. Not medical, training, or diet advice. Sharp pain, fainting, or disordered-eating concerns need a clinician.
- quick Answer History
- field
- commonPicture
- rows
- lead
- After full ROM, or instead on that movement
- why
- Two patterns in the same IG comment. [community]
- field
- firstLine
- rows
- Lengthened partials are reps in the stretched half of the movement — the 2025–26 hypertrophy cue from science-based lifting rooms.
- field
- whyLine
- rows
- Lengthened partials are reps in the stretched half of the movement — the 2025–26 hypertrophy cue from science-based lifting rooms.
- field
- commonPicture
- rows
- lead
- The stretched half
- why
- Not the lockout half. [community]
- lead
- Controlled, not bounced
- why
- The stretch is the point, not a rebound. [community]
- lead
- Isolation and machines first
- why
- Flies, laterals, leg extensions, preacher. [community]
- lead
- After full-range reps, or instead for that movement
- why
- Both approaches appear in the discussion; full ROM means full range of motion. [community]
- lead
- Not a max single
- why
- Hypertrophy tool, not a meet cue. [community]
- lead
- Reported set sizes: 2–4 sets of 8–15 reps
- why
- The notes describe selected exercises, often with a controlled 1–2-second pause in the stretched position. [community]
- field
- whatPeopleSay
- rows
- r/naturalbodybuilding argues full ROM vs lengthened-only. [community]
- It is a hypertrophy cue, not a strength program. 5/3/1 still owns the bar. [community]
- field
- howPeopleRunIt
- rows
- 2–4 sets in the long range, slow-ish eccentric into the stretch. [community]
- field
- howItFeels
- rows
- First week: unusual stretch pump. DOMS in a new place. [community]
- field
- howLongPeopleRunIt
- rows
- As a mesocycle garnish for 4–8 weeks. [community]
- Not a forever religion. [community]
- field
- deepDive
- rows
- Progressive overload still owns adding weight. This is *where* the rep lives. [community]
- PPL / upper-lower can host one lengthened extra without becoming a new split. [community]
- Full ROM is not the enemy. This card is the stretch-bias, not a ban on lockouts. [community]
- Self lift-two-to-four is the week. This is a set style. [community]
- field
- watchForLong
- rows
- Quarter-rep lockout cheating is not this card. [community]
Read the preserved reader notes
- definition
- Lengthened partials are exercise repetitions limited to the part of the movement where the working muscle is relatively stretched.
- community Picture
- Lifters compare full-range sets, partial reps after a full-range set and sets built around partials, often debating which movements make the idea practical.
- additions
- text
- The phrase does not identify one set format. A 2024 bodybuilding discussion included full-range reps followed by partials, but also an integrated pattern that alternated a full rep with a half rep. A June 2026 daily thread described using lengthened partials only for the last reps of selected exercises. Those accounts refer to different ways of arranging reps, not necessarily disagreement about the same protocol. Reports also connect these practices with older bodybuilding techniques.
- sources
- guide
- what
- The moving part is where the rep lives. A lengthened partial stays where the working muscle is relatively long. In the 2025 PeerJ trial by Wolf and colleagues, that meant about half of the person's own full range, starting at the end of the lowering and coming only partway back. A shortened partial is the other end, near the lockout or the squeeze. Those are different cues.
- In that trial the full-range arm stopped when another full repetition would not go. The partial arm stopped when another half-range repetition would not go. Both used a lowering of about two seconds, a one-second pause where the muscle was longest, and an intent to lift quickly. The partial was not a bounce out of the bottom, and it was not a shorter rep used so a heavier lockout would fit.
- The trial did not find that these partials beat a full range. Over eight weeks of upper-body work, elbow-flexor and elbow-extensor thickness and a ten-rep pulldown changed similarly on the two arms. The paper's introduction says several earlier studies found more growth from longer-muscle-length work than from shorter-length work, and that strength changes in those comparisons matched the range that was trained. The American College of Sports Medicine's position stand of March 5, 2026 tied its strength findings to a complete range of motion.
- how
- Pick one or two lifts where the long position is obvious and the joint can be held still. The PeerJ table used presses, pulldowns, pushdowns, and curls. A maximal deadlift was not in it. Learn the full range of the chosen lift first. The study familiarized people with that full range, then set the partial at about 50 percent of it, measured from the long position.
- Start the rep in the long position. Lower for about two seconds. Pause about one second where the muscle is stretched, without bouncing. If the set is lengthened-only, lift only about halfway back. Stop when another repetition in that same half-range will not complete. That is how the 2025 trial ended a set. A full-range set followed by extra half-reps is a different pattern. The paper notes one earlier trial did that and also did more total work, so the extra reps and the range were mixed.
- The trial used four sets of each exercise, two supervised upper-body sessions a week, at least 48 hours apart, for eight weeks. Some exercises were aimed at 10 to 15 reps and some at 5 to 10, with the load adjusted so the set still ended inside that range. That is one protocol, not a required dose. Reports of two to four sets, and of which machines people keep, are in the community notes.
- Leave the rest of the workout alone. Do not turn every squat, bench, and hinge into half-reps in the same week. If the long position is sharp in the joint, stop the set. The pause is for the muscle, not a yank on the elbow or the shoulder.
- understand
- The 2025 trial is a direct comparison of this cue with a full range in trained people, and it did not show a clear thickness difference at the elbow. The authors still wrote that someone interested in muscle size would emphasize the stretched position, either with a full range or with these partials. That is their reading of a wider set of studies. It is not a promise, and it is not a reason to drop full-range practice of a lift that has to be strong through the whole path.
- The March 5, 2026 ACSM overview is the other half. Voluntary strength in that stand was enhanced by heavier loads, a complete range of motion, two to three sets, placing that work at the start of the session, and at least two sessions a week. A lengthened partial can be one hypertrophy set. It is the wrong tool as the only range for a lift whose test is a full-range max. The PeerJ introduction already says those strength changes tend to match the range that was trained.
- The common miss is a short-range lockout called by this name, or a bounce out of a stretch that hurts. Sharp pain, fainting, chest pain, or disordered eating is a clinician's problem, not a deeper stretch. What people report about the burn, the soreness, and the machines that make the cue usable is in the community notes.
- sources
- fit-guide-lengthened-peerj-2025 — Lengthened partial repetitions elicit similar muscular adaptations as full range of motion repetitions during resistance training in trained individuals
- fit-guide-lengthened-acsm-2026 — American College of Sports Medicine Position Stand. Resistance Training Prescription for Muscle Function, Hypertrophy, and Physical Performance in Healthy Adults
- note References
- field
- deepDive
- index
- 2
- text
- Full-range reps and lengthened partials can appear in the same routine. Using partials does not require removing every full-range set. [community]
- sources
End of Lengthened partials
