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Peak Performance International LLC, Smithville, NJ (2026)

03/30/2026

Gluteus Medius | Pelvic Stability & Hind End Power

If your horse feels flat behind or struggles to sit and engage the hind end,
it is not always a hock problem.

The issue is often higher at the pelvis.

True engagement starts at the lumbosacral region.

The gluteus medius is one of the most powerful muscles in the hind end. It drives propulsion, stabilizes the pelvis, and allows efficient force transfer through the lumbosacral and sacroiliac regions.

This is the muscle responsible for how your horse pushes, carries, and stabilizes from behind.

Anatomy (quick overview)
Origin
• Longissimus lumborum
• Gluteal surface of the ilium
• Sacrum
• Sacroiliac and sacrosciatic ligaments

Insertion
• Greater trochanter of the femur

Innervation
• Cranial gluteal nerve

Primary functions
• Extends the hip
• Abducts the hindlimb
• Stabilizes the pelvis relative to the spine
• Controls pelvic position during single limb stance
• Drives propulsion through the hind end

When this system is not working
• Flat or weak canter
• Delayed or hollow transitions
• Difficulty sitting
• Pelvic drop or asymmetry
• Loss of impulsion

Riders feel this as a horse that looks engaged, but does not actually push or carry from behind.

What most people miss
The cranial gluteal nerve originates from the lumbosacral plexus.

If motion is restricted through the lumbar spine, SI region, or lumbosacral junction:
• neural input changes
• muscle recruitment becomes inefficient
• compensation develops

This is why:
you cannot strengthen a muscle that is not being recruited correctly.

Chiropractic insight
Restoring motion through the lumbar spine, lumbosacral junction, and pelvis improves neuromuscular signaling and allows the gluteus medius to function properly.

Mobility first. Then power.

Save this post for reference.

Comment ENGAGEMENT if your horse feels flat behind or struggles to sit.

Keep an eye out for this week’s Therapy Thursday post where I’ll show you how to support glute activation and pelvic stability.

03/28/2026

Most riders try to fix straightness with more leg.

But if your horse cannot control the hindlimb under load, more pressure will not solve the problem.

Research shows that muscles like the gracilis are responsible for both movement and stability. This is what allows the horse to step under, stay straight, and move with precision.

When this system is not functioning correctly, riders often see:

• drifting in lateral work
• difficulty crossing under
• inconsistent transitions

This is often mistaken for stiffness or lack of training.

In reality, it is a breakdown in pelvic stability and neuromuscular control.

In the full blog, I break down:

• what the research actually shows
• why this happens clinically
• how to address it through training and rehab

If your horse struggles to stay straight, the issue may be in how the system is functioning, not how hard you are riding.

Read the full article at the link in bio.

Comment LATERAL if this sounds like your horse.

Save this post so you can come back to it during training.

03/26/2026

Therapy Thursday | Gracilis Activation for Lateral Control & Pelvic Stability

If your horse struggles to cross under, drifts in lateral work, or feels unstable in transitions,
the issue may not be flexibility.

It is often adductor control and pelvic stability.

Suppleness and straightness depend on how well the hindlimb moves toward midline and stabilizes under load. The gracilis plays a key role in adduction, pelvic control, and stifle stability during single limb support. When this system is weak or poorly coordinated, horses lose straightness and compensate through the lumbosacral region.

Exercise | Single Hindlimb Lift on an Unstable Surface
This drill targets adductor activation and pelvic control.

How to perform
• Place one hindlimb on an unstable surface such as a foam pad
• Ask the horse to lift the opposite hindlimb
• Hold briefly without loss of balance
• Monitor pelvic alignment

Why this works
The supporting limb must adduct and stabilize under load, directly engaging the gracilis and adductor group. The unstable surface increases proprioceptive demand, improving coordination, neuromuscular timing, and pelvic control.

Over time riders often notice:
• improved ability to cross under
• better straightness in lateral work
• more controlled transitions

Clinical considerations
Use only in horses with adequate baseline balance. Avoid in cases of acute hindlimb injury, neurologic deficits, or significant instability. Discontinue if coordination decreases.

Chiropractic considerations
This drill improves activation but does not correct joint restriction or nerve inhibition.
Restrictions through the lumbosacral region and pelvis can impair obturator nerve function and limit adductor recruitment.

Mobility first. Then control.

Save this post and add it to your routine.
Comment LATERAL if your horse struggles to cross under or stay straight.
Book a performance assessment with Peak Performance International if hindlimb coordination or pelvic control has changed.

03/25/2026

Your horse is not “just off.”

If your horse feels:
• stiff
• uneven
• resistant
• or weaker behind

there is always a reason.

Most riders focus on training.
But often, the issue is how the body is moving.

Restricted motion through the spine and pelvis changes:
• how your horse loads
• how they push
• how they perform

That is when things start to feel:
“not quite right”

This is where I start.

Restore motion → improve function → rebuild performance

Comment PERFORMANCE and I’ll tell you what to look for in your horse.

Book a performance assessment:
https://peakperformanceequine.net/

03/24/2026

Pelvic/SI Adjustment | Restoring Symmetry & Load Distribution

If your horse drifts in lateral work, feels uneven behind, or struggles to step under,
the issue is not always strength.

It is often pelvic symmetry and load distribution.

The pelvis is responsible for transferring force from the hindlimbs into forward motion.
When motion is restricted through the sacroiliac region, the horse cannot load both limbs evenly.

That leads to:
• One limb doing more work
• Reduced ability to cross under
• Loss of straightness in transitions
• Compensation through the lumbar spine and adductor group

This is where the gracilis and other stabilizers begin to struggle.

What a pelvic/SI adjustment does
• Restores joint motion through the pelvis
• Improves load sharing between hindlimbs
• Reduces compensatory tension
• Enhances neuromuscular coordination

When symmetry is restored, muscles like the gracilis can actually function the way they are supposed to.

Mobility first. Then control.

Comment LATERAL if your horse drifts, feels uneven, or struggles to stay straight.

Book a performance assessment with Peak Performance if pelvic symmetry or hindlimb control has changed.

03/23/2026

Gracilis | Hindlimb Adductor & Pelvic Stability

If your horse cannot cross under, drifts in lateral work, or loses straightness in transitions, it is not always a training issue.

It is often a problem with adductor control and pelvic stability.

The gracilis is a key muscle responsible for bringing the hindlimb toward midline while stabilizing the pelvis and supporting the stifle during movement. This is what allows the horse to step under the body, maintain straightness, and move with precision in lateral work.

Anatomically
The gracilis originates from the pelvic symphysis and inserts onto the tibia and crural fascia. It is innervated by the obturator nerve, which also supplies the rest of the adductor group.

Because of this, dysfunction is not just muscular. It is often neuromuscular.

When the gracilis and adductors are not functioning correctly, riders often notice:
• the inside hind failing to step under
• drifting in leg yield or half pass
• loss of straightness in transitions
• inconsistent engagement behind

This is commonly mistaken for stiffness or lack of training.

In reality, it is often a breakdown in pelvic control and neural input.

Restrictions through the lumbosacral junction or pelvis can alter obturator nerve function, limit adductor recruitment, and create compensatory movement patterns.

This is why:
More leg does not fix the problem.

Mobility must be restored first.
Then the system can be strengthened and coordinated correctly.

Save this post for reference.

Comment LATERAL if your horse struggles to cross under or stay straight.

Keep an eye out for this week’s Therapy Thursday post where I’ll show you a targeted exercise to support the gracilis and improve lateral control.

Book a performance assessment with Peak Performance International if suppleness, straightness, or hindlimb coordination has changed.

03/21/2026

Using boots or bandages during work?
You may be increasing heat without realizing it.

Most riders focus on protection.
Very few consider what happens to heat during exercise.

Research published in the American Journal of Veterinary Research shows that boots and bandages do not increase temperature at rest, but significantly increase heat retention during exercise, with bandages producing the highest temperatures.

This matters because the superficial digital flexor tendon already operates near its thermal limit during work.
Added heat can affect tendon elasticity, reduce cooling efficiency, and increase cumulative tissue stress.

In practice, this often shows up as:
• legs that stay warm after work
• increased filling
• slower recovery
• stiffness the next day

These signs are often dismissed, but they are clinically relevant.

Boots and bandages are not inherently harmful.
But they should be used intentionally, not automatically.

Want a deeper breakdown of how heat affects tendon health, recovery, and performance?
Read the full article here: https://peakperformanceequine.net/horse-boots-bandages-heat-tendon-health/

Save this post if you use boots or bandages regularly.

Comment HEAT if you want help assessing your setup.

Book a performance assessment with Peak Performance International if you are noticing changes in recovery, tendon sensitivity, or limb comfort.

03/19/2026

If your horse feels weak behind, struggles to push off, or loses power in transitions, it is not always a strength problem.

Often, it is a coordination and mobility issue within the hamstring chain.

True propulsion depends on how well the hip, stifle, and hock work together.

The semitendinosus is one of the primary hamstring muscles responsible for extending the hip and controlling stifle motion during propulsion. It also contributes to limb retraction and eccentric control during loading.

When this muscle is not functioning correctly, you may see:

• reduced push off
• shortened stride behind
• inconsistent engagement
• difficulty with transitions or collection

Exercise | Hindlimb Flexion with Circumduction

This controlled mobility exercise helps activate the hamstring chain while improving coordination through the hip, stifle, and hock.

How to perform

• Stand safely beside the hind limb
• Lift the limb into a comfortable flexed position
• Guide the limb through a slow circular motion at the hip
• Keep the movement smooth and controlled
• Avoid forcing range of motion
• Return the limb gently to the ground and repeat

Why this works

Circumduction challenges the semitendinosus through both concentric and eccentric control while encouraging coordinated movement across the entire hindlimb.

This improves:

• joint mobility
• neuromuscular coordination
• force transfer through the limb

Over time, riders often notice:

• improved push off
• more consistent hind end engagement
• smoother, more balanced transitions

Clinical considerations

This exercise should always be performed slowly and within the horse’s comfortable range.

Avoid if your horse has:

• acute hindlimb injury
• neurologic deficits
• significant stifle pain

Chiropractic considerations

If there are restrictions through the lumbosacral junction, pelvis, or hip, the hamstring chain cannot function efficiently.

Restoring joint motion improves neuromuscular signaling and allows exercises like this to actually create change instead of compensation.

Mobility first. Strength follows.

Save this post and add it to your routine this week.

If your horse feels weak behind or struggles to push off, comment POWER and I will help guide you.

If you are noticing ongoing changes in hindlimb strength, engagement, or performance, it may be time for a full evaluation.

Book a performance assessment with Peak Performance International to address the root cause, not just the symptoms.

03/17/2026

Hock Adjustment | Supporting Hamstring Function & Hind End Propulsion

If your horse struggles to push off, loses power behind, or feels inconsistent in transitions, the issue may not be strength alone.
Propulsion depends on coordinated motion through the hip, stifle, and hock.

The semitendinosus, one of the primary hamstring muscles responsible for hindlimb propulsion, inserts onto the calcaneus through the common calcaneal tendon. Because of this connection, normal hock mechanics are essential for effective hamstring activation and force transmission through the limb.

When motion becomes restricted in the hock joints, the mechanical relationship between the hamstring chain and the distal limb is altered. This can contribute to:

• reduced push off behind
• shortened stride in the hindlimb
• difficulty with transitions or collected work
• uneven hindlimb loading
• compensatory tension through the pelvis and lumbar spine

The hock complex consists of four joints: the tibiotarsal, proximal intertarsal, distal intertarsal, and tarsometatarsal joints. While the tibiotarsal joint provides the majority of flexion and extension, the lower joints function primarily as shock absorbers and play an important role in force transfer through the limb.

Chiropractic adjustments help restore normal joint motion, improve neuromuscular signaling, and reduce protective muscle tension around the joint. When hock mobility improves, the hamstring chain can coordinate more effectively with the hip and stifle to generate propulsion.

Restoring mobility through the distal limb also enhances the effectiveness of strengthening work like this week’s Semitendinosus Therapy Thursday exercise, allowing the muscle to function through its full mechanical chain.

Mobility first. Strength follows.

Save this post for reference.

Comment POWER if your horse feels weak behind or struggles to push off.

Book a performance assessment with Peak Performance International if hindlimb propulsion or engagement has changed.

03/16/2026

Semitendinosus | Hamstring Strength & Propulsion

If your horse feels weak behind, struggles to push off, or loses power in transitions, the issue may be in the hamstring chain.
True propulsion depends on coordinated hip, stifle, and hock function.

The semitendinosus is one of the three hamstring muscles in the posterior thigh, working alongside the semimembranosus and biceps femoris. It functions as a knee flexor and hip extensor, bending the stifle and extending the hip during walking, running, and jumping. It also provides stability and eccentric control during limb loading, making it central to propulsion and limb control across disciplines including jumping, dressage, polo, western, and racing.

Anatomical overview
Origin
Vertebral head: last sacral and first two caudal vertebrae, tail fascia, sacrosciatic ligament
Pelvic head: ventral ischial tuberosity
Insertion
Cranial border of the tibia
Crural fascia via the calcaneal tendon
Innervation
Caudal gluteal nerve
Sciatic nerve

Primary functions
Weight bearing: extends hip, stifle, and hock
Non weight bearing: flexes the stifle and retracts the limb
Provides eccentric control during stifle extension and hip flexion

Clinical relevance
This muscle powers explosive movements such as galloping, jumping, and collected work. Because of constant use, it is prone to strain and compensatory patterns, especially in overworked or under conditioned horses. Riders often describe reduced push off, shortened stride behind, difficulty with lateral work or transitions, and left right asymmetry in hindlimb power.

Chiropractic insight
The caudal gluteal and sciatic nerves exit the pelvis via the greater sciatic foramen. Trauma or hypertonicity in the hip or gluteal region can inhibit activation. Restoring motion through the lumbosacral junction, pelvis, and hip is essential when addressing hamstring dysfunction.

Save this post for reference.
Comment POWER if your horse feels weak behind or struggles to push off.

Keep an eye out for this week’s Therapy Thursday post where I’ll share a targeted exercise to help strengthen and support the semitendinosus.

03/15/2026

How long should you ice your horse’s legs after exercise?

Most riders use ice boots or cold hosing, but ice water immersion often produces the deepest tendon cooling because water transfers heat more efficiently than air.

Research measuring superficial digital flexor tendon temperature shows that tendon heat can rise significantly during exercise.

That is one reason cold therapy is commonly used after intense work.

In the new article I break down:

• why tendons heat up during exercise
• why most icing protocols recommend 15–20 minutes
• how ice boots, cold hosing, and ice buckets compare
Read the full article:

How to Ice Horse Legs Correctly

Link in bio.

Save this post so you can reference it after your next ride.

03/14/2026

Most riders ice their horse’s legs after work.

But not all cooling methods affect tendon tissue the same way.

Ice boots, cold hosing, and ice water immersion all reduce temperature differently, and how long you ice matters too.

During intense exercise, tendon temperatures can rise significantly, especially in structures like the superficial digital flexor tendon. Because tendons have limited blood supply compared with muscle, managing tissue temperature after work is one reason cold therapy is commonly used in performance horses.

In this post we break down:

• why tendons heat up during exercise
• what happens in the body during cold exposure
• why most protocols recommend 15–20 minutes of icing
• which cooling methods produce deeper tissue cooling

I also wrote a full evidence-based article explaining the physiology behind icing protocols and tendon temperature in horses.

If you want to understand the science behind post-exercise cooling, the full blog is now live.

Link in bio.

Save this post so you can reference it after your next ride.

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