- Your body works as an interconnected system, so pain often manifests far from its true cause.
- To effectively resolve pain, it’s essential to treat the primary cause, even if located in a distant area.
- Understanding the kinetic chain will help you understand why the physical therapist evaluates the entire body, not just the symptom.
- Foot dysfunctions can cause lower back pain, and pelvic problems can affect the cervical spine.
Table of Contents
- What is the Kinetic Chain?
- Closed vs Open Kinetic Chain
- The Main Muscle Chains
- How the Kinetic Chain Generates Distant Pain
- The Principle of Regional Interdependence
- Clinical Examples
- Kinetic Chain Assessment
- Kinetic Chain-Based Treatment
- Fundamental Principles
- Top-Down and Bottom-Up Approach
- Kinetic Chain Exercises
- Posterior Chain Mobility
- Global Stability and Strength
- Balance and Proprioception
- The Kinetic Chain in Common Pathologies
- Recommended Products for Rehabilitation Support
- Frequently Asked Questions (FAQ)
- Why doesn’t pain always originate where it manifests?
- How do I know if my pain comes from somewhere else?
- Can orthotics influence the entire kinetic chain?
- How long does it take to “realign” the kinetic chain?
- Is physical activity sufficient to maintain kinetic chains in balance?
- Does the kinetic chain concept also apply to the upper limbs?
- Scientific References
- Read also
The most important concept for understanding musculoskeletal pain is the kinetic chain. This is a principle that has revolutionized the clinical approach in physiotherapy and that every patient should know, because it explains why pain often doesn’t originate where it manifests.
The kinetic chain is the principle according to which the human body functions as an interconnected system, where each segment influences adjacent and distant ones. A foot problem can cause knee pain, hip pain, back and even shoulder pain. Treating only the point where pain is felt, without considering the kinetic chain, is like treating the symptom while ignoring the cause.
What is the Kinetic Chain?
The kinetic chain is an interconnected system of joints, muscles, and connective tissues throughout the body that work together to produce coordinated movement and transfer forces. The term “kinetic chain” was introduced by mechanical engineer Franz Reuleaux in 1875 and subsequently applied to the human body by Dr. Arthur Steindler in 1955.
The concept is simple: the joints and muscles of the body are connected in functional chains, like the links of a chain. The movement or dysfunction of one “link” is transmitted to all the others.
Closed vs Open Kinetic Chain
- Closed kinetic chain: the distal segment is fixed (e.g., foot on the ground during squats). Forces are distributed along the entire chain
- Open kinetic chain: the distal segment is free (e.g., kicking a ball). The movement is more isolated
The Main Muscle Chains
Various authors have described the body’s muscle chains:
- Posterior chain: from the sole of the foot (plantar fascia) along the calf, hamstrings, glutes, erector spinae, to the base of the skull
- Anterior chain: from the dorsal surface of the foot along the anterior tibialis, quadriceps, iliopsoas, rectus abdominis, sternocleidomastoid
- Lateral chain: peroneals, iliotibial band, tensor fasciae latae, gluteus medius, obliques, intercostals
- Anterior crossed chain: connects the lower limb of one side with the contralateral upper limb (walking pattern)
How the Kinetic Chain Generates Distant Pain
The Principle of Regional Interdependence
The concept of regional interdependence (Wainner and Sueki, 2013) states that seemingly unrelated dysfunctions in one body region may contribute to pain in another region.
Clinical Examples
From foot to back:
A flat foot (excessive pronation) causes internal rotation of the tibia, knee valgus, internal rotation of the femur, lateral pelvic tilt, compensatory lumbar scoliosis, lower back pain. Correcting the foot resolves the lower back pain.
From pelvis to cervical:
Pelvic anteversion causes lumbar hyperlordosis, compensatory thoracic hyperkyphosis, forward head posture, chronic cervicalgia. Correcting the pelvis resolves the cervicalgia.
From ankle to shoulder:
Ankle stiffness (after a sprain) alters gait pattern, causing contralateral hip overload, trunk compensation, altered scapular mechanics, shoulder pain.
Kinetic Chain Assessment
A complete physiotherapeutic evaluation must analyze the entire kinetic chain:
- Global posture: postural analysis in three planes
- Plantar support: evaluation of the foot and plantar arch
- Lower limb alignment: knee varus/valgus, rotations
- Pelvic balance: tilt, rotation, symmetry
- Spinal curves: lordosis, kyphosis, scoliosis
- Joint mobility: restrictions that force compensations
- Muscle balance: tightness, weakness, asymmetries
Kinetic Chain-Based Treatment
Fundamental Principles
- Identify the primary cause: don’t treat only where it hurts
- Treat from the weakest link: often the cause is distant from the symptom
- Restore mobility where it’s lacking: hypomobile joints force compensations
- Strengthen where stability is needed: weak muscles don’t protect structures
- Re-educate global movement: not just analytical exercises but complete motor patterns
Top-Down and Bottom-Up Approach
- Top-down: the problem originates from above (e.g., cervical stiffness causing shoulder pain)
- Bottom-up: the problem originates from below (e.g., flat foot causing knee pain)
Kinetic Chain Exercises
Posterior Chain Mobility
Exercise 1: World’s Greatest Stretch
Difficulty: Intermediate | Equipment: Mat | Duration: 5 minutes
Starting position:
Standing, upright posture, feet shoulder-width apart.
Step-by-step execution:
- Step 1: Take a large step forward with the right foot, moving into a deep lunge position with the left knee on the ground (or close to the floor). Place both hands on the ground inside the advanced foot
- Step 2: Rotate the torso to the right, extending the right arm toward the ceiling. Follow the hand with your gaze. Hold the position for 3-5 seconds, feeling the opening of the hip, spine, and shoulder
- Step 3: Bring the hand back to the ground, return to upright position and repeat on the other side with the left foot forward
Sets and repetitions: 5 repetitions per side — Alternate right and left
Common errors to avoid:
- Rotating the torso too quickly, without controlling the movement
- Letting the advanced knee go beyond the toe
- Not opening the chest sufficiently during rotation, limiting the benefit on the spine
How to know you’re doing it correctly:
You feel simultaneous mobilization of hip, thoracic spine, and shoulder. The movement is fluid and controlled. The sensation of opening in chest and hip increases progressively with each repetition.
Exercise 2: Standing Posterior Chain Stretch
Difficulty: Easy | Equipment: None | Duration: 3 minutes
Starting position:
Standing, feet shoulder-width apart, arms at sides, relaxed posture.
Step-by-step execution:
- Step 1: Slowly lower the chin toward the chest and begin to round the spine vertebra by vertebra, starting from the cervical area
- Step 2: Continue descending slowly until letting the arms hang toward the floor. Keep legs straight but without locking the knees. Breathe slowly and deeply
- Step 3: Hold the position for 30 seconds, then rise slowly by unrolling the spine from bottom to top, one vertebra at a time
Sets and repetitions: 3 repetitions — 15-second pause between each
Common errors to avoid:
- Locking knees in hyperextension, overloading the lumbar area
- Bouncing in the maximum stretch position
- Rising abruptly instead of gradually
How to know you’re doing it correctly:
You feel gentle and progressive tension along calves, back of thighs, and lumbar area. The stretch should never generate acute pain. With consistent practice, you gradually reach deeper positions.
Exercise 3: Downward Dog
Difficulty: Intermediate | Equipment: Mat | Duration: 5 minutes
Starting position:
On hands and knees on the mat, hands slightly ahead of shoulders, fingers spread wide, knees under hips.
Step-by-step execution:
- Step 1: Lift knees off the floor and push pelvis up and back, gradually straightening legs. Arms remain straight
- Step 2: Press heels toward the floor (they don’t need to touch ground), stretching calves and hamstrings. Keep back straight, head relaxed between arms
- Step 3: Hold position for 30 seconds breathing deeply, then return to hands and knees controlling the descent
Sets and repetitions: 5 repetitions — 15-second pause between each
Common errors to avoid:
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- Rounding the back to compensate for hamstring stiffness: better to bend knees slightly and keep back straight
- Overloading wrists by placing hands too close to the body
- Holding breath during the hold
How to know you’re doing it correctly:
You feel complete and simultaneous stretch along the entire posterior chain: calves, hamstrings, and back muscles. Weight is evenly distributed between hands and feet. The spine feels lengthened and decompressed.
Global Stability and Strength
Exercise 4: Goblet Squat
Difficulty: Intermediate | Equipment: Dumbbell or kettlebell | Duration: 8 minutes
Starting position:
Standing, feet slightly wider than shoulders with toes slightly turned out. Hold a weight (dumbbell or kettlebell) in front of chest with both hands, elbows pointing down.
Step-by-step execution:
- Step 1: Inhale and begin to descend by bending knees and pushing hips back, as if sitting in a chair. Keep the weight in front of chest as a counterweight
- Step 2: Descend until bringing thighs parallel to floor (or as mobility allows), keeping back straight, chest open, and knees in line with toes
- Step 3: Exhale and rise by pushing through heels, contract glutes at the top and return to starting position
Sets and repetitions: 3 sets x 12 repetitions — 45-60 second pause between sets
Common errors to avoid:
- Letting the torso fall forward, losing control of the spine
- Allowing knees to collapse inward (dynamic valgus)
- Lifting heels off the floor during descent
How to know you’re doing it correctly:
You feel work distributed across the entire lower limb kinetic chain: quadriceps, glutes, calves, and core. Back stays straight throughout the movement. Body weight is distributed mainly on heels and center of foot.
Exercise 5: Turkish Get-Up (Simplified)
Difficulty: Advanced | Equipment: Light dumbbell or kettlebell | Duration: 8 minutes
Starting position:
Supine on mat, right arm extended toward ceiling with weight in hand, right knee bent with foot on ground. Left arm is extended at about 45 degrees from body.
Step-by-step execution:
- Step 1: Press on left elbow to lift torso, then extend left arm to support on hand. Right arm with weight always stays extended toward ceiling
- Step 2: Lift pelvis off ground, slide left leg under body and place left knee on ground, reaching lunge position
- Step 3: From lunge position, stand up by pushing with front leg. To go down, reverse each step in order. Repeat on other side
Sets and repetitions: 3 repetitions per side — 30-45 second pause between repetitions
Common errors to avoid:
- Losing control of weight overhead: gaze must stay on weight throughout
- Skipping intermediate steps to speed up movement
- Using too heavy a load before mastering technique (start without weight or with very light weight)
How to know you’re doing it correctly:
Every phase of movement is controlled and stable. Arm with weight stays perfectly vertical throughout sequence. You feel whole-body involvement: shoulder, core, hips, legs. Movement is slow and deliberate.
Exercise 6: Farmer’s Carry
Difficulty: Intermediate | Equipment: Two dumbbells or kettlebells | Duration: 5 minutes
Starting position:
Standing, one weight in each hand at sides. Upright posture, shoulders low and back, abdomen contracted, gaze forward.
Step-by-step execution:
- Step 1: Begin walking with regular, controlled steps, maintaining upright posture and level shoulders (without leaning to one side)
- Step 2: Walk 30-40 meters (or about 30-40 steps in limited space), keeping abdomen contracted and core stable throughout
- Step 3: Stop, place weights on ground by bending knees (not back), rest, then repeat
Sets and repetitions: 3 sets x 30-40 meters — 45-60 second pause between sets
Common errors to avoid:
- Leaning laterally due to asymmetric or excessive load
- Elevating shoulders toward ears under weight, creating cervical tension
- Walking too fast, losing postural control
How to know you’re doing it correctly:
You feel global work on hand grip, shoulder stability, core, and lower limbs. Posture remains symmetrical and controlled throughout walk. Breathing is regular despite effort.
Balance and Proprioception
Exercise 7: Single Leg Stance with Movement
Difficulty: Intermediate | Equipment: None | Duration: 5 minutes
Starting position:
Standing near a wall or stable support (to be used only if balance is lost). Weight on both feet, upright posture, gaze forward.
Step-by-step execution:
- Step 1: Transfer weight to right leg and lift left foot a few centimeters off ground. Stabilize balance for 5 seconds before adding movements
- Step 2: While maintaining balance, slowly perform arm movements: bring them forward, laterally, and overhead. Each position change challenges balance differently
- Step 3: To increase difficulty, also move the free leg: small oscillations forward, backward, and laterally. Hold for 30 seconds total, then change legs
Sets and repetitions: 3 sets x 30 seconds per side — 15-second pause between sets
Common errors to avoid:
- Looking down: looking at a fixed point at eye level improves balance
- Locking supporting leg knee in hyperextension
- Giving up if balance is lost: place foot down, regain stability and restart
How to know you’re doing it correctly:
You perceive constant micro-adjustments of ankle and hip to maintain balance. With practice, arm and free leg movements become wider and more controlled. Duration in balance increases progressively.
Exercise 8: Tandem Walk (Heel-to-Toe)
Difficulty: Easy | Equipment: None | Duration: 5 minutes
Starting position:
Standing, upright posture, feet together. Identify a straight line on the floor (a tile joint, adhesive tape, or imaginary line).
Step-by-step execution:
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- Step 1: Take a step forward placing heel of right foot directly in front of toe of left foot. Keep gaze forward, not down
- Step 2: Transfer weight to advanced foot and repeat with left foot, placing heel in front of toe of right. Continue for 10 steps
- Step 3: At the end, turn around and repeat in opposite direction. Keep arms slightly open if necessary for balance
Sets and repetitions: 3 sets x 10 steps forward and 10 steps backward — 20-second pause between sets
Common errors to avoid:
- Looking at feet during walk: reduces effectiveness of proprioceptive training
- Taking steps too quickly, compromising balance
- Widening base of support to make exercise easier, losing the benefit
How to know you’re doing it correctly:
You can complete the sequence of 10 steps without losing balance. The step is slow and controlled. With practice, you can perform steps without needing arms open for balance.
The Kinetic Chain in Common Pathologies
| Where it hurts | Possible cause in the chain |
|---|---|
| Cervicalgia | Thoracic stiffness, pelvic anteversion, hyperlordosis |
| Shoulder pain | Scapular dyskinesia, thoracic stiffness, cervical dysfunction |
| Dorsalgia | Compensatory hyperkyphosis from pelvic anteversion |
| Lower back pain | Iliopsoas tightness, gluteal weakness, flat foot |
| Hip pain | Pelvic instability, lumbar stiffness, pronated foot |
| Knee pain | Gluteus medius weakness, flat/cavus foot, hip stiffness |
| Plantar fasciitis | Calf stiffness, gluteal weakness, pelvic retroversion |
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Frequently Asked Questions (FAQ)
Because the body compensates. If a joint is stiff, adjacent ones work harder to maintain function. Over time, compensatory overload causes pain — but not at the point of original dysfunction, rather at the point of compensation. It’s like when one player on a team doesn’t run, and the others get tired in his place.
If pain is chronic and doesn’t respond to local treatments, it’s very likely the cause is in the kinetic chain. A global physiotherapy evaluation can identify the source of the problem. Indicative signs: recurring pain despite treatment, stiffness in joints “distant” from the pain, visible postural asymmetries.
Yes. The foot is the base of the kinetic chain in standing position. A well-prescribed orthotic can improve alignment of ankle, knee, hip and spine. Conversely, an incorrect orthotic can create problems. It’s essential that orthotics are prescribed after a global evaluation of the kinetic chain.
It depends on the complexity of the condition. Simple dysfunctions can improve in 2-4 weeks. Complex and established postural alterations require 3-6 months of consistent work. The approach must be gradual: first restore mobility where it’s lacking, then strengthen where stability is needed, finally re-educate global motor patterns.
Regular physical activity is fundamental, but not always sufficient. A sport practiced with incorrect technique or an uncorrected muscle imbalance can perpetuate dysfunctions. The ideal is to combine physical activity with specific mobility and stabilization exercises targeted to individual deficiencies.
Absolutely yes. The upper limb kinetic chain goes from the cervical and thoracic spine through the scapula, shoulder, elbow, wrist to the hand. Elbow pain (epicondylitis) can depend on a shoulder or cervical spine dysfunction. Carpal tunnel syndrome can be aggravated by cervical compression.
Frequently Asked Questions
Why doesn’t pain always originate where it manifests?
The human body functions as an interconnected system, known as the kinetic chain, where each segment influences adjacent and distant ones. Consequently, a dysfunction in one area can create compensatory patterns or excessive stress in another, leading to pain manifesting far from its primary cause.
How do I know if my pain comes from somewhere else?
Identifying the true origin of pain often requires a comprehensive evaluation by a physical therapist. This assessment involves examining the entire body, not just the symptomatic area, to uncover underlying dysfunctions within the kinetic chain that may be contributing to the discomfort.
Can orthotics influence the entire kinetic chain?
Yes, orthotics can significantly influence the entire kinetic chain, particularly starting from the feet. By altering foot mechanics and support, they can impact alignment and movement patterns upwards through the ankles, knees, hips, and even the spine.
How long does it take to “realign” the kinetic chain?
The duration required to address kinetic chain imbalances varies greatly depending on the individual’s specific condition, the complexity of the dysfunctions, and adherence to the treatment plan. It typically involves a progressive approach focusing on mobility, stability, and strength, guided by a physical therapist.
Resources
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Scientific References
- Sueki DG, et al. A regional interdependence model of musculoskeletal dysfunction. J Man Manip Ther. 2013;21(2):90-102.
- Myers TW. Anatomy Trains: Myofascial Meridians for Manual Therapists and Movement Professionals. 4th ed. Elsevier; 2020.
- Sahrmann SA. Diagnosis and Treatment of Movement Impairment Syndromes. Mosby; 2002.
- Powers CM. The influence of abnormal hip mechanics on knee injury. J Orthop Sports Phys Ther. 2010;40(2):42-51.
- Wainner RS, et al. Regional interdependence: a musculoskeletal examination model. J Orthop Sports Phys Ther. 2007;37(11):658-660.
- Kibler WB, et al. The role of core stability in athletic function. Sports Med. 2006;36(3):189-198.
- Lee DG. The Pelvic Girdle. 4th ed. Elsevier; 2011.
- Comerford MJ, Mottram SL. Kinetic Control. Elsevier; 2012.
- Cook G. Movement: Functional Movement Systems. On Target Publications; 2010.
- Janda V. Muscles and motor control in low back pain. Churchill Livingstone; 1987.
Dr. Cosimo Pilotto — physical therapist | MyPhysioHelp.it
Related articles:
- Cervicalgia and Kinetic Chain
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- Plantar Fasciitis
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