Influence of Specific Collagen Peptides on Recovery After Exercise Induced Muscle Damage

Change in maximal voluntary contraction (MVC)

Measured by isokinetic dynamometer

Time frame: Baseline (pre, post, 24 hours, 48 hours) and after 12 weeks (pre, post, 24 hours, 48 hours)

Change in rate of force development (RFD)

Measured by isokinetic dynamometer

Time frame: Baseline (pre, post, 24 hours, 48 hours) and after 12 weeks (pre, post, 24 hours, 48 hours)

Change in countermovement jump height (CMJ)

Measured by force plate

Time frame: Baseline (pre, post, 24 hours, 48 hours) and after 12 weeks (pre, post, 24 hours, 48 hours)

Change in subjective pain score

Measured by visual analogue scale

Time frame: Baseline (pre, post, 24 hours, 48 hours) and after 12 weeks (pre, post, 24 hours, 48 hours)

Change in Achilles tendon cross-sectional area

Measured by ultrasound

Time frame: Baseline and after 12 weeks

Change in Vastus Lateralis fibre length

Measured by ultrasound

Time frame: Baseline (pre, post, 24 hours, 48 hours) and after 12 weeks (pre, post, 24 hours, 48 hours)

Change in collagen related blood markers

Measured by blood analysis

Time frame: Baseline (pre, post, 2 hours, 24 hours, 48 hours) and after 12 weeks (pre, post, 2 hours, 24 hours, 48 hours)

Change in Achilles tendon echo intensity

Measured by ultrasound

Time frame: Baseline and after 12 weeks