Caffeinate Chewing Gum on Ice Hockey Performance

The Effect of Caffeinate Chewing Gum on Ice Hockey Performance After Partial Sleep Deprivation: a Double-blind Crossover Trial

The purpose of this study was to examine the impact of caffeinated chewing gum on the physical performance of elite ice hockey players in a partial sleep deprivation state.

This study used a randomisation crossover design with a single-blind, double-blind experimental design. The participants were randomly assigned to either a caffeinated chewing gum trial (CAF) or a placebo trial (PL).

Inclusion Criteria:

• 1. 6 years of professional ice hockey training,
• 2. 6 months of continuous training,
• 3. 3 months of recovery from sports injuries such as strains and sprains

Exclusion Criteria:

• 1. non-specialised ice hockey player.
• 2. has not trained regularly for the past 6 months.
• 3. has recovered from an athletic injury.
• 4. have been recovering from a sports injury for less than 3 months, or have epilepsy, hypertension, hyperlipidemia, heart disease, arthritis, osteoporosis, brain injury, or a history of caffeine allergy.