Samtulāsana & Vasiṣṭha Tapasyā: Exploring Sūrya–Candra Balance Through Haṭha Yoga
- YogaGurukula
- Aug 17
- 4 min read
Samtulāsana & Vasiṣṭha Tapasyā: Exploring Sūrya–Candra Balance Through Haṭha Yoga
Samtulāsana (Plank Pose) and Vasiṣṭha Tapasyā (Side Plank) are simple yet powerful Haṭha Yoga practices for developing strength, stability, balance, concentration and deeper body–breath awareness.
At Gurukula, we approach āsana not simply as physical exercise, but as a means of developing an integrated relationship between śarīra (body), prāṇa (vital energy), manas (mind) and awareness.
This practice offers an opportunity to explore the principle of polarity through the complementary symbolism of Sūrya and Candra—solar and lunar qualities.
🌞 Samtulāsana — The Practice of Steadiness
Samtulāsana is a strong, symmetrical position in which the body is maintained as one integrated line from the head through the heels.
The posture engages the:
Arms and shoulders
Abdominal muscles
Back and spinal stabilisers
Pelvic region
Legs and feet
The objective is not simply to “hold a plank.” The practitioner develops sthira—steadiness—while maintaining relaxed and conscious breathing.
Practising Samtulāsana
Begin from a stable position with the hands beneath or slightly outside the shoulders.
Extend the legs backwards and establish a firm connection between the hands, feet and ground.
As you practise:
Keep the spine long.
Engage the abdomen without holding the breath.
Press through the palms.
Activate the legs.
Keep the neck relaxed.
Maintain smooth breathing.
Rather than creating unnecessary muscular tension, discover the minimum effort required to remain stable.
This is an important principle of Haṭha Yoga: strength accompanied by awareness.
🌙 Vasiṣṭha Tapasyā — Side Plank
From Samtulāsana, the practitioner can transition into Vasiṣṭha Tapasyā, a lateral balancing posture.
Unlike the symmetrical loading of Samtulāsana, the side plank creates a different relationship between gravity, the supporting arm, the pelvis and the lateral muscles of the body.
It develops awareness of:
Lateral core stability
Shoulder stability
Wrist and arm strength
Pelvic control
Spinal alignment
Balance and proprioception
Mental concentration
Practise on the right and left sides, giving equal attention to both.
The experience of moving from the central stability of Samtulāsana into the lateral expression of Vasiṣṭha Tapasyā provides an excellent opportunity to observe how the body responds to changing patterns of balance.
☯️ Sūrya and Candra: Understanding Polarity in Haṭha Yoga
The word Haṭha is traditionally associated with complementary principles, often represented through Ha and Ṭha, and the symbolism of solar and lunar energies.
Sūrya represents qualities such as:
Vitality
Activity
Heat
Strength
Discipline
Transformation
Candra represents qualities such as:
Receptivity
Coolness
Reflection
Calmness
Rest
Contemplation
These should not be understood as completely separate or opposing forces. The deeper yogic principle is integration and harmony.
Just as day and night form a natural cycle, our own lives require activity and rest, effort and relaxation, strength and softness.
Haṭha Yoga provides a practical way to explore this principle through the body, breath and mind.
🌞🌙 Exploring Sūrya–Candra Polarity Through Āsana
Samtulāsana provides a strong, grounded and symmetrical foundation.
Vasiṣṭha Tapasyā introduces lateral balance and requires the practitioner to experience the body from a different orientation.
When performed mindfully, the sequence can become an exploration of:
Strength ↔ Softness
Activity ↔ Rest
Effort ↔ Surrender
Stability ↔ Adaptability
Right ↔ Left
Sūrya ↔ Candra
The purpose is not to force an energetic experience but to observe the relationship between these complementary qualities.
🧘 From Physical Āsana to Awareness
A traditional approach to yoga asks us to go beyond the external appearance of an āsana.
The question is not only:
How long can I hold the posture?
It is also:
How am I breathing?
Where am I creating unnecessary tension?
Can I remain steady without becoming rigid?
Can I maintain awareness while the body works?
In this way, āsana becomes a form of sādhanā—a disciplined practice that cultivates awareness.
The physical body becomes the field of observation.
The breath becomes the bridge.
The mind becomes the witness.
🌿 Benefits of Samtulāsana and Vasiṣṭha Tapasyā
When practised appropriately and progressively, these postures may support:
Core strength
Upper-body strength
Shoulder stability
Spinal stability
Pelvic control
Balance and coordination
Proprioception
Postural awareness
Concentration
Physical confidence
Mind–body awareness
These benefits should be understood as potential outcomes of regular, appropriate practice rather than as guaranteed therapeutic effects.
🌱 Practising Safely
Yoga practice should always be adapted to the individual.
If you are beginning, you can modify Samtulāsana by placing the knees on the floor. Vasiṣṭha Tapasyā can also be modified by keeping the lower knee grounded for additional support.
Begin with shorter holds and gradually develop strength and endurance.
Maintain natural breathing throughout the practice. Avoid forcing the body or holding the breath unnecessarily.
If you experience pain rather than normal muscular effort, come out of the posture and rest.
🌺 Sanātan Yoga at Gurukula
At Gurukula, Haṭha Yoga is approached as part of a wider tradition of Sanātan Yoga, integrating:
Āsana • Kriyā • Prāṇāyāma • Mudrā • Meditation • Yoga Nidra • Mantra • Yogic Philosophy • Yoga Chikitsa
The purpose is not merely to create a flexible or strong body, but to cultivate samatva—balance and equanimity—within the whole person.
Through regular practice, we learn to observe the body, refine the breath, steady the mind and gradually deepen our understanding of yoga as a way of living.
🌞🌙 Explore the Practice
Samtulāsana → Vasiṣṭha Tapasyā → Right Side → Left Side → Rest → Observe
Practise slowly. Breathe consciously. Observe the polarity. Discover balance.
🙏 Yoga is not simply the achievement of a posture; it is the cultivation of awareness within the posture.
About Gurukula Sanātan Yoga
Gurukula offers traditional and contemporary programmes in Sanātan Yoga, Haṭha Yoga, Prāṇāyāma, Meditation, Yoga Therapy and Yogic Philosophy, with online and residential learning opportunities.
📲 WhatsApp: +44 7833 693106
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