
The sartorius muscle is the longest muscle in the human body, running from the hip to the knee and helping to rotate the thigh and flex the knee. Sitting for long periods, activities like dancing and gymnastics, or even walking and jogging can tighten the muscle, causing pain and limiting mobility. To loosen the sartorius muscle, you need to find a position that combines hip extension, internal rotation, and adduction. This can be done through exercises such as hip flexor exercises, lunges, squats, and resistance band exercises.
| Characteristics | Values |
|---|---|
| Muscle Location | The sartorius muscle is the longest muscle in the human body, running from the hip to the knee |
| Muscle Actions | Flexion of the hip, flexion of the knee, and external rotation of the hip |
| Muscle Functions | Helps with bending the knees and hips, rotating the leg outward, and rotating the hip outward |
| Muscle Pain | Sartorius muscle pain can cause swelling, pain, and weakness in the muscle, and limit mobility |
| Muscle Conditions | Sartorius tendonitis, sartorius tear |
| Muscle Exercises | Hip flexor exercises, squats, lunges, lateral band walks or "crab walks", crossover step-ups, resistance band exercises, stretches |
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What You'll Learn

Hip extension, internal rotation and adduction
The sartorius muscle is the longest muscle in the human body. It is a hip flexor muscle that spans two joints: the hip and the knee joint. It is sometimes known as the "tailor's muscle" because it allows people to sit with the heel of one foot across the knee of the other leg.
Sitting for prolonged periods can tighten the sartorius muscle around the hip. This muscle can also become tight due to an acute muscle tear, overuse, or spending long periods in a specific position, such as sitting cross-legged or driving with knees wide apart.
To stretch the sartorius muscle, you need to find a position that combines hip extension, internal rotation, and adduction. Here is a step-by-step guide to achieving this stretch:
- Start by sitting on a mat with your legs out in front of you.
- Bend your left leg and cross it over the right leg.
- Place your left hand on the floor beside your right hip for support.
- Turn your left thigh inwards, pushing your hips forward, and pressing your left knee to the ground.
- Hold this position for a count of 10, then release.
- Repeat the stretch for the desired number of repetitions on both sides.
In addition to stretching, strengthening exercises are also important for the sartorius muscle. Here is an exercise that combines hip flexion with external rotation to target the sartorius:
- Place a step just below knee height in front of you.
- Stand with your right foot on the step and your left foot on the floor behind you.
- Bend your right knee and lift your left leg off the floor, bringing your left thigh up towards your chest.
- Straighten your left leg and lower it back down to the starting position.
- Aim for 3 sets of 20 repetitions, alternating sides throughout.
This exercise can also be performed as a lateral band walk or "crab walk" with a resistance band for added challenge.
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Hip flexor exercises
The sartorius muscle is part of a group of muscles in the hip known as hip flexors. Hip flexor exercises are important for strengthening the sartorius muscle and improving hip mobility. Here are some exercises and stretches to loosen the sartorius muscle and improve hip flexibility:
Hip Flexor Stretches:
- Kneeling Hip Flexor Stretch: Begin by kneeling on the floor with your right leg in front, forming a 90-degree angle with your knee bent and foot flat on the floor. Keep your left knee on the floor, ensuring your shin is pointing straight back. Slowly and gently pull your foot with your right hand, bringing your leg behind you while keeping your pelvis tucked under. Avoid arching your back, and focus on feeling the stretch in the front of your thighs and hip flexor on the right side.
- Seated Hip Flexor Stretch: Find a seated position that combines hip extension, internal rotation, and adduction. Turn your thigh inwards, push your hips forward, and press your knee to the ground. This stretch targets the sartorius muscle effectively.
- Crossover Step-ups: Using a step just below knee height, place your foot in the crossover step-up position. This movement combines hip flexion with external rotation, specifically targeting the sartorius muscle. Aim for 3 sets of 20 repetitions, alternating sides.
- Lateral Band Walks: Also known as "crab walks," these exercises are excellent for strengthening the abductors and external rotators of the hip, including the sartorius muscle. Use a resistance band and aim for 3 sets of 1-minute stepping, alternating sides.
- Glute Bridges, Planks, Crunches, and Clamshells: These exercises help keep your glutes, core, and piriformis strong, which, in turn, improves hip strength and mobility.
It is important to listen to your body and not push yourself too far. If you experience any pain or discomfort, consult a doctor or physical therapist before continuing with these exercises.
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Resistance band exercises
Lateral Band Walks
Place a small, looped resistance band around your legs, just above your ankles. Stand with your feet hip-width apart so that the band is taut but not tight. Bend your hips and knees slightly, then take a step to the right, pulling against the resistance of the band. Step your left foot towards your right, ensuring the band remains taut. Continue stepping to the right, completing 10 to 12 steps, then reverse the movement and step to the left. Repeat the same number of steps on the left side. If this exercise feels too challenging, you can place the band just above your knees instead of your ankles.
Plie Squats
To set up for a plie squat, stand with your feet slightly wider than hip-width apart, with toes pointing outwards. Place the resistance band around your thighs. Rotate your hips outward so that your thighs, knees, and feet are pointing in the same direction. From this position, bend your knees and lower your body down as if you were going to sit back in a chair. Keep your chest lifted and knees pressed outwards over your toes. Push through your heels to return to the starting position.
Crab Walks
Place a resistance band around your thighs or just above your knees. Start with your feet hip-width apart and bend your hips and knees slightly. Take a step to the right with your right foot, followed by your left foot, so that you are walking sideways. Continue walking to the right for 1 minute, then switch directions and walk to the left for 1 minute.
Lateral Step-ups
Stand sideways on a step or box that is just below knee height. Flex your hip and knee, and step up onto the box. Follow with your opposite leg to stand on the box, then reverse the movement and carefully step back down. Complete 12 to 15 repetitions on one side, then switch sides and lead with your opposite leg. You can also use dumbbells or a loaded barbell to increase the challenge.
The Clam
Lie on your side on a mat with your body in a straight line and your knees bent. Place a resistance band just above your knees. Keeping your heels together, slowly lift your top knee as high as you can while breathing out. Breathe in and slowly lower your leg back down. Repeat this exercise for the desired number of repetitions, then switch sides.
In addition to these exercises, you can also try the kneeling hip flexor stretch and foam rolling to help loosen and relieve tension in the sartorius muscle.
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Foam roller exercises
The sartorius muscle is the longest muscle in the human body, running from the hip to the knee. It is important to keep it flexible and strong to avoid injury and maintain leg movement. A foam roller is a great tool to lengthen and massage the sartorius muscle, improving flexibility and reducing pain.
Hip to Knee Roll:
- Lie on your stomach with the foam roller placed beneath your hip area, engaging your core for stability.
- With your hands planted on the mat, gently roll forward, moving the foam roller from the top of your hip down to the inside of your knee, targeting the sartorius muscle.
- Once you reach the knee, reverse the motion and roll back up from the inside of the knee to the front of your thigh, returning to the top of your hip.
- Repeat this movement 5 to 10 times, focusing on the path of the sartorius muscle.
Side-Lying Leg Roll:
- Lie on your right side, propped up on your right forearm, with your legs stacked on top of each other.
- Place the foam roller between your legs, just above your knee, allowing gravity to initiate pressure on the inside of your legs.
- Move your top leg forward and backward slowly, internally and externally rotating your hip to target the muscles from different angles.
- Keep the roller in one spot for about 15 seconds, then move it up or down your thigh by an inch to target the sartorius from a different position.
Seated Hip Extension:
- Sit on the ground with the foam roller under your thigh.
- Roll from the knee towards the hip, pausing on tight spots and applying pressure for 20-30 seconds.
Additional Exercises:
In addition to foam rolling, the following exercises can help strengthen and stretch the sartorius muscle:
- Plie squats: This movement incorporates hip abduction and promotes lower body strength while engaging the sartorius muscle.
- Lateral step-ups: Performed on a bench or plyo box, this exercise combines hip flexion with external rotation, targeting the sartorius.
- Lateral band walks: Using a resistance band, this exercise works the abductors and external rotators of the hip, including the sartorius muscle.
- Clam exercise: This exercise targets the outer hips and external rotators, providing support for the sartorius muscle.
Remember to consult your healthcare provider before starting any new exercise routine, especially if you have chronic leg problems or previous injuries.
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Simple stretches
Stretching the sartorius muscle is important for anyone participating in activities such as running, as it can help prevent injury due to its central role in hip flexion. The sartorius muscle is the longest muscle in the human body and is located in the thigh. It crosses two joints, the hip and the knee, and is responsible for hip flexion, hip abduction, external hip rotation, and knee flexion.
Seated Straddle Stretch
Sit on the ground with your legs spread wide apart in a straddle position. Slowly lean forward until you feel the stretch in your inner thighs and groin area. Hold this position for 30 seconds before releasing.
Standing Quadriceps Stretch
Stand with your feet shoulder-width apart and place your hands on your hips. Bend one knee and grab your ankle, pulling it up towards your buttocks until you feel a stretch in the front of your thigh. Hold this position for 30 seconds, then release.
Standing Hip Flexor Stretch
Stand with your feet slightly wider than shoulder-width apart and place your hands on your hips. Step one foot forward and slowly lower into a lunge position until you feel a stretch along the front hip area.
Butterfly Stretch
Sit on the floor with your legs in a butterfly position and slowly push your knees toward the ground while keeping your back straight. This stretch can help reduce tightness in your thighs and improve flexibility.
Resistance Band Crab Walks
Place a resistance band around your legs, just above your ankles. Walk for one minute with your feet wider than shoulder-width apart, taking small steps and keeping your knees bent. This exercise helps build strength in your hip abductors and external rotators, including the sartorius muscle.
It is important to remember that when stretching, you should not attempt to stretch beyond your normal range of motion. Breathe throughout the stretching routine and ensure you are performing the correct forms for the exercises.
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Frequently asked questions
The sartorius muscle is the longest muscle in the human body. It is a thigh muscle that runs from the hip to the knee and is used for everything from walking to lateral slides.
To loosen the sartorius muscle, you need to find a position that combines hip extension, internal rotation, and adduction. This can be done by sitting on a mat with your legs stretched out, then bending and crossing one leg over the other. You can also try the butterfly stretch, the fire log pose, or the cross-legged sitting position.
Some exercises to strengthen the sartorius muscle include hip flexor exercises, lunges, squats, and lateral band walks or "crab walks".
Sartorius muscle pain can be caused by a strain or injury, or by activities such as dancing and gymnastics that stress the muscle. Sitting for prolonged periods can also tighten the muscle.






















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