Alignment is the practice of arranging the body in a pose so that each joint and muscle works as intended, both protecting against injury and deepening the pose's benefits. In Virabhadrasana II (Warrior II), the front knee stacks directly over the ankle rather than past the toes, while the hips open to the side and the shoulders remain above the hips with arms extending parallel to the floor. In Trikonasana (Triangle Pose), the legs are wide with the front foot pointing forward and the back foot at ninety degrees; the practitioner hinges at the front hip rather than at the waist, keeping both sides of the torso long and the top arm stacked over the bottom. In Adho Mukha Svanasana (Downward-Facing Dog), the hands sit shoulder-width apart with fingers spread wide, the hips press up and back, the spine stays long, the ears fall between the biceps, and the heels reach toward the floor without needing to touch the ground. Across all lunging poses, the front knee should track in line with the second toe, never collapse inward, to safeguard the joint and engage the muscles properly.
For beginners, modifications and props make even challenging poses accessible. In Downward Dog, bending the knees relieves hamstring strain, a wider hand placement eases wrist pressure, and blocks under the hands bring the floor closer. Chaturanga can be practiced with the knees on the ground, in a Half Chaturanga, to build upper body strength gradually, or with a full lowering to the floor before pressing up into Upward Dog. In Warrior III, keeping the back toes on the floor, using blocks under the hands, or practicing near a wall all provide support until balance and strength develop.
Props are not crutches but tools that bring the floor closer, extend reach, or support the body in passive shapes. Yoga blocks support the hands in standing poses such as Triangle or Half Moon, provide a stable seat under the sit bones in seated folds, and can be placed under the back for supported chest openers. Yoga straps loop around the feet in seated forward folds or around the arms in shoulder and bound poses, allowing the practitioner to maintain alignment without forcing a range they have not yet developed. Bolsters, the firm cushions used primarily in Restorative and Yin Yoga, support the body in long-held passive poses so the muscles can fully release. Folded blankets pad the knees, hips, or head; elevate the hips in seated folds to ease tight hamstrings; and provide warmth during Savasana. The practice also cultivates two complementary qualities: flexibility, the passive range of motion available to a muscle or joint, and mobility, the active ability to move through that range with control.