Yoga Fundamentals

This deck offers a welcoming introduction to the foundations of yoga, covering everything from its ancient origins and key philosophical texts to the wide variety of styles practiced today. You'll find cards on foundational questions like the history of yoga, the role of Patanjali, and the meaning behind the Yoga Sutras, as well as practical overviews of popular styles such as Hatha, Vinyasa, Yin, Bikram, Restorative, and Kundalini. It's a great starting point for building a well-rounded understanding of both the theory and the practice.

The cards are designed for beginners and curious learners who want to explore yoga beyond the mat, whether you're just starting a personal practice, considering a teacher training, or simply want to appreciate the traditions that shape modern yoga. No prior experience is needed, and the questions move gradually from big-picture concepts to more specific ideas about ethics, principles, and styles.

Because the material mixes history, philosophy, and practical categories, you'll get the most out of it by reviewing in short, spaced sessions rather than trying to absorb everything at once. As you study, try to notice how the ideas connect — for example, how the ethical guidelines of the Yamas and Niyamas relate to the physical practices described in the different yoga styles. Linking concepts together in this way will help the information stick and give you a clearer picture of yoga as a whole.

Yoga is an ancient practice that originated in India over 5,000 years ago, with its earliest references appearing in the Rigveda. The word "yoga" itself comes from the Sanskrit root "yuj," meaning "to yoke" or "to unite," reflecting the practice's core aim of integrating body, mind, and spirit. A typical yoga session weaves together physical postures (called asanas), breathing techniques (pranayama), and meditation to promote overall well-being.

The philosophy and practice of yoga were systematically codified by the sage Patanjali around 200 BCE to 200 CE in a foundational text known as the Yoga Sutras. This text consists of 196 concise aphorisms organized into four chapters, or padas, that describe the nature of the mind, the path to liberation, the powers attained through practice, and, most famously, the eight limbs of yoga. Patanjali is often called the "father of yoga" for his role in shaping this enduring tradition.

The eight limbs, known collectively as Ashtanga, form a progressive roadmap for the practitioner. They begin with Yama (ethical restraints) and Niyama (personal observances), move through Asana (postures) and Pranayama (breath control), and continue into the increasingly internal practices of Pratyahara (sense withdrawal), Dharana (concentration), Dhyana (meditation), and finally Samadhi (absorption or enlightenment). Each limb builds on the previous, with the physical practice serving as preparation for the deeper meditative states that follow.

The first two limbs of yoga are ethical and personal practices that form the moral foundation for everything else. The Yamas are five ethical restraints that govern how we interact with the world around us. Ahimsa teaches non-violence in thought, word, and action toward oneself and others, and is considered the most important of all the Yamas. Satya invites truthfulness, Asteya discourages stealing in all its forms, Brahmacharya calls for moderation and the wise stewardship of one's energy, and Aparigraha encourages non-possessiveness and freedom from greed.

The Niyamas, by contrast, are five personal observances that cultivate inner discipline and self-growth. Saucha promotes cleanliness in both the body and the mind, while Santosha nurtures contentment with what is. Tapas refers to the committed inner fire or discipline required to sustain practice through challenge, and Svadhyaya involves self-study and self-reflection through observation and the study of sacred texts. The fifth Niyama, Ishvara Pranidhana, is the practice of surrendering to a higher power or to the natural flow of life, releasing the ego's grip on outcomes.

Together, the Yamas and Niyamas are not mere rules but living principles. They shape a yogi's character both on and off the mat, providing the inner ground in which the physical and meditative practices of yoga can take root and flourish.

Over the centuries, yoga has branched into many distinct styles, each with its own emphasis and pace. Hatha Yoga is the broad umbrella term for any practice that teaches physical postures, though in modern studios it usually refers to slower-paced classes focused on basic poses, alignment, and breathwork. The name comes from "ha" (sun) and "tha" (moon), symbolizing the balance of opposing energies.

Vinyasa Yoga links breath and movement into a flowing sequence of postures, with smooth transitions that vary in pace and intensity, building cardiovascular endurance, internal heat, and flexibility. Ashtanga Yoga, founded by K. Pattabhi Jois, follows a strict set sequence of postures performed in the same order every time, organized into six series of increasing difficulty, with a strong emphasis on breath, drishti (gaze), and bandhas (energy locks). Yin Yoga takes the opposite approach, holding passive floor poses for three to five minutes to target deep connective tissues such as fascia, ligaments, and joints while cultivating meditative stillness.

Several other popular styles address specific goals. Bikram Yoga is a fixed sequence of 26 postures and two breathing exercises performed in a room heated to about 105°F with 40 percent humidity. Iyengar Yoga, founded by B.K.S. Iyengar, emphasizes precise alignment, longer holds, and the use of props to make poses accessible to all bodies and ages. Restorative Yoga uses bolsters, blankets, and blocks to fully support the body in passive poses held for extended periods, activating the parasympathetic nervous system for deep relaxation. Kundalini Yoga combines postures, breathwork, mantras, and meditation with the aim of awakening the dormant energy said to rest at the base of the spine. In practice, Hatha classes tend to hold poses longer with rest between them, while Vinyasa classes flow continuously, creating a more dynamic and cardiovascular practice.

Asana, the third limb of yoga, refers to any physical posture practiced in a session. Although the Sanskrit word literally means "seat," it has come to describe the wide range of poses used today. Foundational standing poses build the body's structural base. Tadasana (Mountain Pose) teaches alignment and body awareness from which all standing poses arise. Vrksasana (Tree Pose) develops balance by rooting through one foot while the other rests along the inner thigh or calf. The three Warriors — Virabhadrasana I, II, and III — strengthen the legs and hips through lunge-shaped stances, with Warrior III adding a challenging balancing element as the body forms a horizontal T-shape.

A wide variety of poses target different parts of the body and different energetic intentions. Trikonasana (Triangle Pose) and Utthita Parsvakonasana (Extended Side Angle) stretch the hamstrings, hips, and side body while strengthening the legs. Ardha Chandrasana (Half Moon) balances on one leg and one hand, opening the hips and challenging coordination. Chair Pose (Utkatasana) builds strength through the quads and glutes, and Eagle Pose (Garudasana) intertwines the limbs to stretch the shoulders and outer hips. Backbends such as Bhujangasana (Cobra), Urdhva Mukha Svanasana (Upward-Facing Dog), Ustrasana (Camel), Setu Bandhasana (Bridge), Salabhasana (Locust), and Matsyasana (Fish) open the chest and front body, strengthen the spine, and energize the back and neck.

Forward folds and restorative shapes provide the counterbalance to these opening and strengthening poses. Balasana (Child's Pose) gently stretches the hips and back while calming the mind, and Paschimottanasana (Seated Forward Fold) lengthens the entire posterior chain. Cat-Cow (Marjaryasana-Bitilasana) mobilizes the spine through alternating rounds and arches. Core-strengthening poses like Phalakasana (Plank), Chaturanga Dandasana (Four-Limbed Staff), and Navasana (Boat) develop essential stability, while Bakasana (Crow) introduces arm balance through concentrated strength and courage. Deep hip openers such as Eka Pada Rajakapotasana (Pigeon) and Ananda Balasana (Happy Baby) release stored tension. The practice often culminates with inversions like Sirsasana (Headstand, the "king of asanas") and Sarvangasana (Shoulderstand, the "queen of asanas"), followed by Savasana (Corpse Pose), the final resting position in which the body and mind absorb the benefits of the entire practice.

Pranayama, the fourth limb of yoga, is the conscious extension and regulation of breath. "Prana" means life force and "ayama" means extension, so the practice is designed to channel and balance vital energy throughout the body. Within asana practice, breath is more than background — it guides every movement. Generally, inhales accompany opening and extending actions, while exhales accompany folding, twisting, and going deeper. In Vinyasa classes, an audible Ujjayi breath, called Victorious Breath, is created by gently constricting the back of the throat on both inhale and exhale. This produces an ocean-like sound that builds internal heat, maintains focus, and regulates the pace of the flow.

Several other pranayama techniques serve specific purposes. Nadi Shodhana, or alternate nostril breathing, balances the left and right hemispheres of the brain and calms the nervous system by alternately closing each nostril through a structured breathing pattern. Kapalabhati, the Skull Shining Breath, uses short forceful exhales through the nose with passive inhales to energize the body, clear the sinuses, and strengthen the abdominal muscles; it is considered a kriya, or cleansing technique. Bhramari, or Bee Breath, involves humming on the exhale with the lips closed, a practice that calms the mind, lowers blood pressure, and supports relief from insomnia and anxiety.

These breathing methods are woven into dynamic sequences that link postures in continuous flow. Surya Namaskar, the Sun Salutation, is a classical sequence of twelve poses performed as a warm-up or even a complete practice. Sun Salutation A proceeds through Mountain Pose, Upward Salute, Forward Fold, Half Lift, Chaturanga, Upward-Facing Dog, Downward-Facing Dog, and back to standing, ending in Samasthiti. Sun Salutation B inserts Utkatasana (Chair Pose) and Virabhadrasana I (Warrior I) into the same framework, making the sequence longer and more demanding. Between sides or standing sequences, a "Vinyasa" typically refers to the linking mini-flow of Chaturanga, Upward Dog, and Downward Dog that maintains heat and continuity. A complete yoga sequence is designed to progressively warm the body, challenge it through peak poses, and then cool it down with seated forward folds, gentle twists, an inversion such as Shoulderstand, and finally Savasana, allowing the practitioner to absorb the practice's effects.

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.

Beneath the surface of the asanas, yoga offers a sophisticated map of subtle energy and consciousness. The seven chakras are energy centers that run along the spine, each associated with particular qualities: Muladhara (Root, red) at the base grounds the body in stability and survival and is supported by balancing poses like Mountain and Tree; Svadhisthana (Sacral) governs creativity and emotion; Manipura (Solar Plexus) relates to personal power; Anahata (Heart, green) at the center of the chest is the seat of love and compassion, awakened by heart-opening poses such as Camel and Cobra; Vishuddha (Throat) governs communication; Ajna (Third Eye, indigo), located between the eyebrows, is linked to intuition and insight and is supported by meditation and inversions such as Headstand; and Sahasrara (Crown) represents pure spiritual connection.

Drishti, the focused gazing point used during asanas, trains concentration and balance; in the Ashtanga tradition there are nine such points, including the tip of the nose, the navel, and the thumbs. Bandhas are internal energy locks that contain and direct prana: Mula Bandha lifts the pelvic floor to stabilize the pelvis and contain energy; Uddiyana Bandha draws the abdomen in and up to support the spine and core; and Jalandhara Bandha seals the throat by drawing the chin toward the chest. Mudras are symbolic hand gestures used in meditation and pranayama to guide energy flow, such as Gyan Mudra, formed by touching the thumb and index finger for wisdom, or Anjali Mudra, palms pressed together at the heart in reverence.

Mantras and sound are central to the inner practice. A mantra is a word, phrase, or sound repeated to focus the mind, and "Om" (Aum) is the most universal, considered the primordial sound of the universe. Its three syllables represent the states of waking, dreaming, and deep sleep, while the silence that follows symbolizes pure consciousness, or Turiya. The greeting "Namaste," spoken with hands at the heart in Anjali Mudra, translates roughly as "the light in me honors the light in you." Meditation, or Dhyana, is sustained focused awareness that follows from Dharana (single-pointed concentration) and Pratyahara (withdrawal of the senses), and ultimately leads to Samadhi, a state of complete absorption in which the meditator merges with the object of awareness. A Sankalpa, or positive intention set at the start of practice or within Yoga Nidra, gives this inner work direction and purpose. Yoga Nidra, often called "yogic sleep," is a guided practice performed lying in Savasana that uses body scanning and visualization to draw the practitioner into a deeply restful state between waking and sleeping.

The benefits of this comprehensive practice ripple across body and mind. Physically, yoga improves flexibility, muscle tone, posture, respiration, cardiovascular health, balance, and injury prevention through greater body awareness. Mentally, it reduces stress and anxiety, sharpens concentration, deepens sleep, lifts mood, and cultivates emotional resilience. At the level of the nervous system, especially through pranayama, restorative poses, and Savasana, yoga activates the parasympathetic "rest-and-digest" response, lowers cortisol and heart rate, and stimulates the vagus nerve to counter the fight-or-flight state. Practicing three to five times a week — or even short daily sessions of fifteen to twenty minutes — builds these benefits over time. What distinguishes yoga from simple stretching is precisely this weaving of breath, focus, philosophy, and whole-body awareness into every posture, so that even a single downward dog becomes an opportunity to unite body, mind, and breath.