What does this research mean for the field?

Both foam rolling and proprioceptive neuromuscular facilitation (PNF) stretching as warm-up strategies acutely improve hamstring flexibility in amateur athletes. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To compare the immediate effects of foam rolling versus proprioceptive neuromuscular facilitation stretching on flexibility, knee flexion strength, vertical jump height, and pain threshold.

August 29, 2026Karya Journal of Health Science

Acute Effects of Foam Rolling and PNF Stretching as Warm-Up Strategies on Muscle Flexibility, Strength, and Pressure Pain Threshold in Amateur Athletes

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Authors

ESElif Esma SafranBezmiâlem Vakıf Üniversitesi HYHayri Eren Yılmaz BÇBirce Beril ÇelikAcıbadem University

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Implication

Randomized trial demonstrates improved hamstring flexibility after foam rolling and stretching in amateur athletes, suggesting both warm-up strategies boost mobility.

Key Points

To compare the immediate effects of foam rolling versus proprioceptive neuromuscular facilitation stretching on flexibility, knee flexion strength, vertical jump height, and pain threshold.
Randomized trial allocating 76 amateur athletes to either foam rolling (n=36; 3×30 seconds) or PNF stretching (n=40; 4×30 seconds of contract-relax-passive stretch) after a 5-minute aerobic cycling warm-up.
Assessed sit-and-reach flexibility, handheld dynamometry for isometric knee flexion strength, vertical jump height, and pressure algometry for pressure pain threshold immediately before and after interventions.
Sit-and-reach flexibility increased significantly in both groups immediately following the warm-up routines (foam rolling: Δ=1.81 cm, p < 0.05).
Both interventions acutely altered hamstring range of motion while performance metrics, including strength, jump height, and pain tolerance, were tracked to determine warm-up efficacy.

Cite This Study

Safran et al. (2026) studied this question.

synapsesocial.com/papers/6a92991a8e5d7d1fc0c10ef8 https://doi.org/10.52831/kjhs.1984233

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Implication

Randomized trial demonstrates improved hamstring flexibility after foam rolling and stretching in amateur athletes, suggesting both warm-up strategies boost mobility.

Acute Effects of Foam Rolling and PNF Stretching as Warm-Up Strategies on Muscle Flexibility, Strength, and Pressure Pain Threshold in Amateur Athletes

Discussion

Member takes

Implication

Key Points

Cite This Study

Acute Effects of Foam Rolling and PNF Stretching as Warm-Up Strategies on Muscle Flexibility, Strength, and Pressure Pain Threshold in Amateur Athletes

Discussion

Member takes

Implication

Key Points

Cite This Study

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