CompletedNot Applicable

The Acute Effect of Squat Exercises Performed at Different Depths on Muscle Activation and Jump Performance

Turkey (Türkiye)14 participantsStarted 2025-04-07

Plain-language summary

This study examined the acute effects of different squat depths (partial, parallel, full) on lower extremity muscle activation and jump performance (countermovement jump - CMJ). Fourteen healthy sports science students participated in this randomized crossover study. Participants performed three sets of squats at their 5-repetition maximum (5RM) load across three different depths. Surface electromyography (SEMG) was recorded from the vastus lateralis (VL), rectus femoris (RF), and biceps femoris (BF) muscles during each set, while CMJ performance was assessed before and after the squat protocols.

Who can participate

Age range18 Years – 35 Years

SexALL

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Inclusion Criteria: * Inclusion criteria were: being 18-35 years of age, having at least one year of resistance training experience, and being familiar with partial, half, and full squat techniques. Exclusion Criteria: * Exclusion criteria included having a chronic illness, a current or recent musculoskeletal injury, or experiencing pain during any of the three squat variations.

What they're measuring

Muscle Activation (Surface Electromyography - sEMG)

Timeframe: During the squat protocol (at the time of the intervention).

Countermovement Jump (CMJ) Performance

Timeframe: Baseline (pre-test) and 5 minutes after the completion of the squat protocol (post-test).

Trial details

NCT IDNCT07543237

SponsorPamukkale University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2025-05-16

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