 |
| |
| 1 | “jump rope” OR “jumping rope” OR “rope jumping” OR “rope skipping” OR “skipping” |
| 2 | “physical fitness” OR “physical health” OR “body morphology ”OR “body form” OR “body shape” OR “physical form” OR “physical function” OR “body function” OR “cardiopulmonary fitness” OR “physical performance” OR “physical functional performances” OR “physical qualities” OR “height” OR “weight” OR “BMI” OR “body fat rate” OR “body fat percentage” OR “resting HR” OR “heart rate” OR “vital capacity” OR “lung capacity” OR “aerobic capacity” OR “spirometric capacity” OR “speed” OR “strength” OR “endurance” OR “agility” OR “keen” OR “flexibility” OR “pliable” OR “coordination” OR “balance” |
| 3 | “preadolescence” OR “preadolescent” OR “children” OR “youth” OR “younger” |
| 4 | #1 AND #2 AND #3 |