Logan Steele
Cycling is a great form of cardiovascular exercise that works out a wide range of muscles in the body. It is often considered an efficient method of transportation and a means to improve fitness. The muscles that benefit from cycling include the hamstrings, calves, quadriceps, glutes, abdominals, and erector spinae. Cycling also engages the arms, shoulders, and core muscles, especially during mountain biking. While cycling is an excellent way to improve endurance and build smaller, defined muscles, it may not be sufficient for those seeking to develop significant leg muscle strength.
| Characteristics | Values |
|---|---|
| Muscle Groups | Quadriceps, hamstrings, calves, glutes, core muscles, heart, lungs |
| Muscle Functions | Hip flexion, hip extension, knee extension, knee flexion |
| Muscle Energy Sources | Aerobic: oxygen, glucose, fatty acids; Anaerobic: glycogen |
| Muscle Training | Strength training, endurance training, leg speed training |
| Muscle Recovery | Adequate recovery time is important to prevent injury |
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What You'll Learn
Quadriceps
Cycling is a great form of cardiovascular activity, and it also works out several muscle groups in the body. The quadriceps, or quads, are one of the primary muscle groups targeted by cycling. The quadriceps are a group of four muscles in the thigh: the vastus intermedius, vastus lateralis, vastus medialis, and rectus femoris. These muscles are responsible for lifting the knee and foot up and over during the pedal stroke, and they generate the majority of the power used in cycling.
During the pedal stroke, the quadriceps are most active from just before the top of the stroke to the bottom, where they work to extend the knee and provide downward force on the pedal. This is the power phase of the pedal stroke, where most of the primary muscles are activated. The quadriceps are also active during the back half of the revolution, from the 6 to 12 o'clock position, where they help lift the foot and knee back to the top starting position.
Seated cycling efforts, especially during hill climbs, place a large amount of stress on the quadriceps. This is because seated efforts require greater force to be placed on the pedals, which builds strength and endurance in the legs. Standing efforts, on the other hand, target the hamstrings more. It is important to include a mix of seated and standing efforts in your cycling routine to target both muscle groups effectively and avoid injury.
The activation of the quadriceps during cycling can also be influenced by factors such as bike fit and body positioning. For example, rotating the pelvis towards the handlebars can lead to greater activation of the quadriceps. Additionally, increasing the resistance or using a harder gear can disproportionately engage the quadriceps, providing a more targeted workout for these muscles.
While cycling is an excellent way to strengthen the quadriceps, it is important to note that it is not a replacement for strength training. If you are looking to build significant muscle mass in the legs, incorporating strength training exercises such as squats into your routine may be beneficial. However, cycling can help to build smaller, defined muscles and improve endurance.
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Hamstrings
Cycling is a great way to work your hamstrings without putting too much strain on your body. The hamstrings are one of the main muscles at work in cycling, alongside the quadriceps, gastrocnemius and soleus in the calf. These muscles contract in a sequence that creates the pedalling action, with the quadriceps and hamstrings doing most of the work.
The hamstrings are most active from the six o'clock to nine o'clock position of the pedal stroke, with the biceps femoris being the key muscle in this activation. The hamstrings also play a vital role in knee stability when the leg is fully extended. Emphasising the hamstrings can slightly increase power, reduce the load on the quads, and help smooth power delivery.
While cycling is a great way to build strength and endurance in the legs, it is important to note that it is not strength training. If you want to build big leg muscles, squats and other strength training exercises are recommended.
The benefits of cycling go beyond just working the leg muscles. It is a highly efficient form of transportation that requires less energy to cover the same distance as compared to walking. Cycling is also a cardiovascular activity that provides excellent aerobic exercise, improving your heart and lung function. Additionally, your core muscles, arms and shoulders are also engaged, especially when mountain biking.
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Calf muscles
Cycling is a great way to work your calf muscles, along with the other muscles in your legs. The calves are made up of two muscles, the gastrocnemius and the soleus, which contract in a sequence that creates the pedalling action.
The calves are most active during the bottom of the pedal stroke, from 6 to 12 o'clock, pulling the foot backwards and helping to bring the returning pedal back to the top. This is when the calves, hamstrings and quadriceps work together to lift the foot and knee back to the 12 o'clock position.
The calves play a supporting role to the prime movers, the glutes and quads, which supply two-thirds of the power we push through the pedals. However, the calves are not as important for power as you might think. According to Phil Burt, a physiotherapist who has worked with elite cyclists, the muscle groups in the calves, ankles and feet don't contribute as much power as is often assumed.
To build strength and endurance in the calves and other leg muscles, you can try seated and standing force efforts on hill climbs. Seated efforts will place more stress on the quadriceps, while standing will target the hamstrings more. It's important to space out these force effort days to allow for recovery.
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Glutes
Cycling is a great way to build strength and endurance in your legs, and it's especially beneficial for the glutes.
The glutes are a group of muscles in the buttocks, and they play a vital role in the pedal stroke. The gluteus maximus provides additional power during the downstroke, while the gluteus medius and minimus stabilize the hips, regulating the thigh's outward rotation. This hip stabilization helps to prevent knee problems, as lazy or inactive glutes can lead to instability during the pedal stroke, causing the brain to compensate by assigning stability tasks to the quads and hamstrings.
To increase glute activation during cycling, you can rotate your pelvis towards the handlebars. This simple adjustment will lead to greater activation of the glutes, making them work harder and providing additional power to your pedal stroke.
In addition to strengthening the glutes, cycling also helps to build endurance in these muscles. The repetitive nature of pedaling can lead to aches and pains, but proper bike fit and technique can help prevent injuries. For example, alternating between seated and standing positions while cycling can help build strength and endurance by engaging different muscle groups and allowing you to push through heavier resistances.
While cycling is an excellent way to work your glutes, it's important to note that it may not be sufficient as the sole form of strength training for this muscle group. Incorporating exercises like squats and planks can help to further strengthen and stabilize the glutes, complementing the benefits gained from cycling.
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Core muscles
While cycling is a great form of cardiovascular activity, it also works out several muscle groups. The core muscles, in particular, are critical for providing a stable platform for power production and comfort. These muscles include the abdominals and erector spinae, which work together to stabilize the upper body while pedaling, allowing for more efficient power usage.
Although cycling may not be the best way to develop a six-pack, it does engage the core muscles, especially when riding out of the saddle. This is because the core muscles have to work harder to stabilize the upper body when you're not supported by the saddle, handlebars, and pedals.
Additionally, the abdominal muscles play a crucial role in maintaining a stable torso position during cycling. This is important for overall stability and balance, especially when riding on uneven terrain or during mountain biking.
To enhance core strength, exercises like planks can be beneficial. Starting with shorter durations and gradually increasing the time can improve core stability and endurance.
Overall, while cycling may not directly target the core muscles in the same way as isolated strength training exercises, it does engage and benefit these muscles by requiring them to stabilize the body and contribute to overall balance and power transfer during the activity.
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Frequently asked questions
The main muscles that benefit from cycling are the quadriceps, hamstrings, glutes, calves, and core muscles.
Cycling involves a sequence of muscle contractions that create the pedalling action. The quadriceps and hamstrings do most of the work when riding a bicycle. The quadriceps are a group of four thigh muscles that fire in concert from just before the top of the pedal stroke to the bottom. The hamstrings are most active from the six o'clock to nine o'clock position of the pedal stroke.
The glutes contribute additional power during the pedal stroke, with the gluteus maximus providing power and the gluteus medius and minimus stabilising the hips. The calves play a supporting role to the prime movers, with the gastrocnemius and soleus muscles in the calf helping to bring the foot back to the top of the pedal stroke. While cycling may not directly work the core muscles, these muscles are engaged to stabilise the upper body while cycling, especially when out of the saddle or mountain biking.
