[
    {
        "start_time": 0.0,
        "end_time": 3.0,
        "whole_body": "The person jumps vertically with both feet leaving and landing on the wooden deck simultaneously.",
        "hands": "His hands are positioned at waist level, gripping the jump rope handles and rotating his wrists to swing the rope in a circular motion around his body.",
        "face": "He maintains a focused, neutral expression, looking directly ahead."
    },
    {
        "start_time": 3.0,
        "end_time": 7.0,
        "whole_body": "The person shifts to alternating feet, lifting one knee slightly higher than the other in a jogging-like motion while clearing the rope.",
        "hands": "His hands continue to rotate the jump rope handles at waist level, keeping the rope's rhythm consistent with his footwork.",
        "face": "He remains focused, looking straight forward with a neutral expression."
    },
    {
        "start_time": 7.0,
        "end_time": 11.0,
        "whole_body": "The person returns to jumping with both feet simultaneously, maintaining a steady vertical rhythm.",
        "hands": "His hands keep rotating the rope in a steady circular motion at waist height.",
        "face": "He continues to look ahead with a concentrated, neutral gaze."
    },
    {
        "start_time": 11.0,
        "end_time": 15.0,
        "whole_body": "He switches back to the alternating foot jumping style, mimicking a running motion as he jumps over the rope.",
        "hands": "His hands maintain the circular rotation of the jump rope, synchronized with his foot movements.",
        "face": "His expression remains focused and neutral as he looks forward."
    },
    {
        "start_time": 15.0,
        "end_time": 19.0,
        "whole_body": "The person reverts to jumping with both feet together in a consistent vertical motion.",
        "hands": "His hands continue the rhythmic wrist rotation to keep the rope moving.",
        "face": "He keeps his gaze forward with a focused expression."
    },
    {
        "start_time": 19.0,
        "end_time": 24.0,
        "whole_body": "He performs alternating foot jumps again, maintaining the jogging rhythm until the end of the clip.",
        "hands": "His hands keep rotating the rope handles steadily at waist level.",
        "face": "He maintains a neutral, focused look, staring directly ahead."
    }
]