
The inchworm is a dynamic, full-body exercise that can be performed anywhere without equipment. It is a great way to warm up the entire body, strengthen the core, and improve flexibility and coordination. The inchworm primarily targets the abdominals and obliques, but it also activates the shoulders, arms, chest, back, glutes, hamstrings, calves, and quadriceps. The exercise helps to improve strength and range of motion in these muscle groups, making it a popular choice for runners and high-intensity interval training (HIIT) workouts. It is accessible to people of all fitness levels and can be easily adapted to suit individual needs, making it a versatile and effective exercise for anyone looking to improve their fitness.
| Characteristics | Values |
|---|---|
| Type | Dynamic exercise |
| Muscles trained | Shoulders, core, triceps, chest, deltoids, forearms, abdominals, glutes, quadriceps, hamstrings, calves, back, arms, and obliques |
| Benefits | Increases strength, improves flexibility, improves coordination, increases cardiovascular fitness, and improves muscular endurance |
| Variations | Basic, challenging, and knee-on-floor versions |
| Suitable for | Beginners and advanced exercisers |
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What You'll Learn

Inchworm as a warm-up
The inchworm is a dynamic exercise that can be used as a warm-up to prepare your body for a workout. It is an effective way to stretch and strengthen multiple muscle groups simultaneously, making it a time-efficient exercise.
To perform the inchworm, start by standing tall with your legs straight. Bend forward and touch the floor with both hands, then walk your hands forward while keeping your legs straight, so you almost end up in a push-up position. This movement stretches the hamstrings, calves, glutes, and lower back. As you enter, exit, and hold the plank portion of the inchworm, your shoulders, triceps, chest, abdominals, glutes, quadriceps, and hip and shoulder stabilizing muscles engage to support your body weight.
The inchworm is particularly beneficial for warming up the shoulder joint and increasing flexibility in the hamstrings. It also strengthens the core, shoulders, back, and chest while stretching the posterior chain, including the hamstrings, glutes, and calves. This exercise is suitable for beginners and can help lay the foundation for more advanced exercises.
Incorporating the inchworm into your warm-up routine can be beneficial for several reasons. Firstly, it is a dynamic exercise that increases stress throughout the muscular system through a single movement, making it ideal for preparing the body for more intense activity. Secondly, it is a low-impact exercise that does not put unwanted pressure on the hips, knees, and ankles, making it accessible to people of varying fitness levels. Finally, the inchworm can be easily adapted to suit your fitness level by adjusting the intensity or modifying the movement, such as performing it with your knees on the floor during the plank.
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Inchworm for core muscles
The inchworm is a dynamic exercise that can be used as a warm-up to prep the body for a workout. It is also suitable as a standalone exercise to strengthen and stretch different muscle groups. The inchworm is an excellent exercise for the core muscles, including the abdominals and obliques.
To perform the inchworm, start by standing tall with your legs straight. Bend forward and touch the floor with both hands, keeping your legs as straight as possible. Walk your hands forward while maintaining straight legs, so you almost reach a pushup position. To increase the difficulty, fully extend your legs into a plank position. Walk your feet forward in small steps, keeping your hands on the ground, until you return to the starting position.
During the inchworm, it is important to keep your core engaged by squeezing your abdominal muscles and maintaining a straight spine. Additionally, ensure your glutes, core, and shoulders are activated throughout the movement. The inchworm provides an effective stretch for the hamstrings, calves, glutes, and lower back. It also strengthens the shoulders, chest, triceps, and deltoids.
The inchworm is a versatile exercise that can be performed at varying intensities, making it accessible to people of all fitness levels. It is an excellent way to improve strength, flexibility, and coordination, with a particular emphasis on the core muscles. By incorporating the inchworm into your fitness routine, you can effectively target and strengthen your core while engaging multiple muscle groups.
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Inchworm for upper body strength
The inchworm is a dynamic exercise that can help improve upper body strength. It is a multi-joint exercise that increases muscular endurance throughout the body, with a particular emphasis on the shoulders, chest, and core. The inchworm is often used as a warm-up exercise to prepare the body for more intense activity, and it is suitable for people of all fitness levels.
To perform the inchworm exercise, start by standing tall with your legs straight. Bend forward and touch the floor with both hands, ensuring your legs remain straight. Then, walk your hands forward while keeping your legs straight, so you almost end up in a push-up position. This movement works your shoulders, triceps, chest, and abdominals as you support your body weight.
Next, walk your feet forward in small steps, keeping your hands on the ground, until you return to the starting position. Keep your abs tight and your back flat throughout the exercise. Ensure your hips don't sag, and prevent your torso from swaying from side to side. This portion of the movement stretches your hamstrings, calves, glutes, and lower back.
The inchworm is an excellent exercise for improving upper body strength as it engages multiple muscle groups simultaneously. These include the stabilizing muscles of the shoulders and hips, the glutes, quadriceps, and the core. Additionally, the inchworm can be performed at varying intensities, making it accessible for beginners and challenging for advanced exercisers.
Incorporating the inchworm into your fitness routine can help you build a strong foundation for more demanding exercises. It is an effective way to warm up the upper body and prepare it for strength training, while also stretching out the lower body. The inchworm is a versatile exercise that can be adapted to suit your fitness level and goals, making it a valuable addition to any upper body strength training regimen.
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Inchworm for lower body stretch
The inchworm is a dynamic exercise that increases muscular endurance and improves flexibility throughout the entire body, with an emphasis on the shoulders, core, and hamstrings. It is a great way to stretch out your legs, particularly the hamstrings and calves, and can be used as a warm-up before a more intense workout.
To perform the inchworm exercise, start by standing tall with your legs straight and feet placed just beyond shoulder-width apart. Hinge at the hips to bend forward and touch the floor with both hands. Keep your legs as straight as possible and your back flat, without rounding your back or depressing your pelvis. Walk your hands forward while keeping your legs straight, so you almost end up in a push-up position. This movement will stretch your hamstrings and calves, and you may also feel it in your glutes and lower back.
As you step your hands forward, your shoulders, triceps, chest, and eventually your abdominals will engage to support your body weight as you enter the plank portion of the movement. The plank position is where the strengthening part of the inchworm occurs. To increase the difficulty, you can perform the more challenging version of the exercise by walking your hands forward past the full-plank position into an extended plank.
To return to the starting position, walk your feet forward in small steps, keeping your hands on the ground. Squeeze your glutes as you stand, keeping your hips and shoulders square, and walk your hands back. This exercise can be easily adapted to suit your fitness level, making it suitable for beginners.
The inchworm is an excellent way to stretch the lower body, improve flexibility, and increase muscular endurance in the legs and throughout the entire body. It is a versatile exercise that can be used as a warm-up, progression exercise, or to add endurance to a high-intensity interval training routine.
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Inchworm for endurance
The inchworm is a dynamic exercise that can be used to improve muscular endurance throughout the body, with an emphasis on the core, shoulders, and hamstrings. It is a multi-joint movement that also targets the chest, back, triceps, glutes, calves, and deltoids.
To perform the inchworm exercise, start by standing tall with your legs straight and feet placed just beyond shoulder-width apart. Hinge at the hips to bend forward and touch the floor with both hands. Keep your legs as straight as possible and your back flat to get a good hamstring stretch. Walk your hands forward while keeping your legs straight, so you almost end up in a push-up position. This movement will engage your shoulders, triceps, chest, and abdominals, as well as the stabilizing muscles of your shoulders and hips.
As you enter the plank portion of the movement, your glutes, core, and quadriceps will also be activated. Hold the plank position to increase the endurance challenge. To return to the starting position, walk your feet forward in small steps while keeping your hands on the ground. Keep your abs tight and your torso stable throughout the exercise.
The inchworm is an excellent exercise to include in your warm-up routine as it prepares your entire body for more intense workouts. It can also be used as an active recovery exercise during high-intensity interval training (HIIT) workouts to keep your heart rate up while giving your body a break from more intense exercises.
Inchworms are accessible to people of all fitness levels and can be easily adapted to your fitness level. You can modify the movement by performing it with your knees on the floor during the plank and working your way up to a full plank. Additionally, you can adjust the intensity to suit your needs, making it either a gentle dynamic stretch or a challenging endurance exercise.
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Frequently asked questions
The inchworm is a multi-joint dynamic exercise that increases strength and muscular endurance throughout the body, with an emphasis on the core, shoulders, arms, chest, and back.
The inchworm trains the core muscles, including the abdominals and obliques, as well as the shoulders, arms, chest, and back. It also stretches the hamstrings, calves, and glutes.
The inchworm exercise strengthens the core, shoulders, back, and chest, while also improving flexibility and coordination. It is a low-impact exercise that is gentle on the joints and can be done anywhere without equipment.
Start with 2-3 sets of 10 repetitions and increase the challenge once you are comfortable. You can add a push-up halfway through the movement or try the more challenging version by walking your hands forward into an extended plank.
The inchworm is a great warm-up exercise, especially for runners before a speed session. It can also be included in high-intensity interval training (HIIT) workouts or as a progression exercise to add endurance.











































