Lower and Higher Load Resistance Exercise Protocols: Acute Muscle Activation and Skeletal Muscle Hypertrophy
Muscle Hypertrophy, Muscle Fibre Activation
About this trial
This is an interventional basic science trial for Muscle Hypertrophy focused on measuring muscle fibre activation, electromyography
Eligibility Criteria
Inclusion Criteria:
- healthy
- male
- 18-30 years of age
Exclusion Criteria:
- Have any acute or chronic illness such as cardiac, pulmonary, liver, or kidney abnormalities, uncontrolled hypertension, insulin- or non-insulin dependent diabetes or other metabolic disorders-all ascertained through a medical history screening questionnaire
- Experience arthritic conditions
- Smoke tobacco products
- Consume any analgesic or anti-inflammatory drug(s), prescription or non-prescription, chronically
- Have a history of neuromuscular complications
- Are on any medications known to affect protein metabolism (i.e. corticosteroids, non-steroidal anti-inflammatories, or prescription strength acne medications).
- Have an extensive history of RE training in the year prior to study entry.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Experimental
80 %1RM, Regular Tempo
80 %1RM, Slow Tempo
30 %1RM, Regular Tempo
30 %1RM, Slow Tempo
Participants performed three sets of unilateral knee extension with a load that was 80 % of their one-repetition maximum (1RM) at a tempo of three seconds per repetition.
Participants performed three sets of unilateral knee extension with a load that was 80 % of their one-repetition maximum (1RM) at a tempo of seven seconds per repetition.
Participants performed three sets of unilateral knee extension with a load that was 30 % of their one-repetition maximum (1RM) at a tempo of three seconds per repetition.
Participants performed three sets of unilateral knee extension with a load that was 30 % of their one-repetition maximum (1RM) at a tempo of seven seconds per repetition.