Kneeling

Kneeling is a body position in which one or both knees rest on the ground or another surface. It can be used for support, movement, work, or ritual.

Knee joint: The synovial joint connecting the femur, tibia, and patella, enabling bending and straightening of the leg. Kneeling bends this joint and places pressure on structures at its front.
Kneeling lunge: A lunge position with one knee resting on the ground and the other leg bent in front. It is a specific kneeling posture used in exercise and stretching.
Kneeling during the national anthem: A protest gesture in which a person kneels during a national anthem, notably in U.S. sports and public life. This visible form of kneeling has carried meanings of protest against racial injustice.
Squatting: A posture in which the body is lowered by bending the hips and knees while the feet remain on the ground. Unlike kneeling, squatting usually keeps both feet as the main ground supports.
Patella: The kneecap, a bone embedded in the tendon that extends the knee. It lies between the kneeling surface and the knee joint, where direct pressure can cause discomfort.
Gardening: The practice of cultivating and maintaining plants in gardens. Kneeling brings hands close to soil and low-growing plants during many gardening tasks.
Colin Kaepernick: An American football quarterback who began kneeling during the U.S. national anthem in 2016 to protest racial injustice. His protest brought national attention to kneeling during the anthem.
Sitting: A posture in which the body's weight rests primarily on the buttocks, with the torso upright or reclined. Sitting shifts support away from the knees and distinguishes kneeling from a common resting posture.
Center of mass: The point representing the average position of an object's mass for analyzing its motion and balance. Shifting the torso changes balance over the knees and supporting feet.
Prayer: A practice of communicating with or directing thoughts toward a deity or sacred reality. Kneeling is a bodily posture used in prayer in several religious traditions.

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CurtsyCompared with: A curtsy briefly bends the knees without settling into a kneeling posture.