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Push-ups are a compound bodyweight exercise that targets several muscles in the upper body, including the chest, triceps, and shoulders. They are a great way to build strength and improve your posture, as they work multiple muscle groups simultaneously. The primary muscle groups targeted by push-ups include the chest muscles, pectoralis major and minor, triceps brachii, and anterior deltoids. Additionally, the abdominal muscles, such as the rectus abdominis and transversus abdominis, play a crucial role in stabilising the torso and maintaining a straight plank position. By performing push-ups correctly and slowly, you can maximise muscle activation and build strength over time.
| Characteristics | Values |
|---|---|
| Type of exercise | Strength-building, calisthenics, closed kinetic chain, compound bodyweight |
| Targeted muscles | Pectoralis major, pectoralis minor, triceps, anterior deltoids, abdominal muscles, core, chest, shoulders |
| Synergists (helper muscles) | Triceps, anterior deltoids |
| Antagonists (opposing agonist) | Middle fibres of trapezius muscle, posterior deltoids, rhomboids |
| Fixators | Rotator cuff, upper traps, core muscles, latissimus dorsi, quadriceps |
| Benefits | Increased endurance, improved posture, stronger core, lower blood pressure and cholesterol, reduced risk of cardiovascular disease, weight loss |
| Common mistakes | Not going down far enough, hips hitting the mat first, pushing up from the neck, elbows flaring out |
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Pectoralis major and minor
The pectoralis major and minor muscles are essential for the dynamic movement and stabilization of the shoulder girdle. The pectoralis major is the largest of the chest muscles and is the prime mover during a push-up. It consists of two heads: the clavicular head, which originates from the medial part of the clavicle, and the sternocostal head, which originates from the sternum and upper ribs. During a push-up, the pectoralis major controls the descent of the torso towards the floor and pushes the body back up to the starting position.
The pectoralis minor, on the other hand, is a smaller, triangle-shaped muscle that lies beneath the pectoralis major. It originates from the front third to fifth ribs and plays a crucial role in keeping the scapulae, or shoulder blades, in position. This helps maintain correct posture in the shoulders and upper back. During a push-up, the pectoralis minor ensures the scapulae are stabilized, allowing for efficient movement and coordination with other muscles such as the deltoid, rotator cuff, and scapular stabilizers.
The pectoralis major and minor muscles work together to facilitate arm adduction, flexion, and internal rotation. The pectoralis minor also influences scapular depression and protraction, which are vital for respiration and shoulder function. The pectoralis major's clavicular head assists in arm flexion, while its sternocostal head aids in extension from a flexed position.
The pectoralis major and minor muscles are innervated by the medial and lateral pectoral nerves, with the pectoralis minor also receiving innervation from the medial pectoral nerve, carrying fibers from the eighth cervical and first thoracic nerves (C8-T1). The blood supply for the pectoralis minor primarily comes from the thoracoacromial artery, which runs along the upper chest.
In summary, the pectoralis major and minor muscles are crucial for the execution of push-ups, with the pectoralis major being the prime mover and the pectoralis minor ensuring proper scapular positioning and stabilization.
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Triceps
The triceps, or triceps brachii, is a thick, large muscle located on the back of the upper arm. It is made up of three parts, or heads, referred to as the long, medial, and lateral heads. Each head has a unique origination point. The medial and lateral heads originate from the back of the humerus, the upper arm bone, while the long head originates from the upper part of the scapula, or shoulder blade, below the shoulder joint. All three heads converge at the olecranon process, the pointed bone on the back of the elbow joint.
The triceps are an important pushing muscle, allowing for elbow extension, or the straightening of the arm. This is an important movement in many sports, such as basketball, baseball, and softball, as well as in everyday activities such as grabbing an object from a high shelf or brushing your teeth.
Tricep push-ups are an excellent way to strengthen the triceps. They are a more advanced variation of the standard push-up, with the palms placed closer together directly under the shoulders, and the fingers pointing forward. This hand placement emphasizes the triceps and takes pressure off the shoulder joints. To perform a tricep push-up, begin in a high plank position with your hands shoulder-width apart and your body forming a straight line. Keeping your elbows tucked in, bend at the elbows and lower your chest toward the floor. Push through your palms to straighten your arms and return to the starting position.
There are several variations of the tricep push-up that can increase the challenge and further target the triceps. For example, you can perform the push-up on a decline, with your legs elevated, or with light weights added to your back. Diamond push-ups, where the thumbs and index fingers touch to form a diamond shape, are another challenging variation that targets the triceps.
Tricep push-ups are a compound exercise, meaning they recruit multiple muscle groups, including the chest, shoulders, and core. They are a great way to build upper-body strength and improve core stability.
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Anterior deltoids
The anterior deltoids are one of the three distinct heads of the deltoid muscle, the others being the lateral and posterior heads. The deltoid muscle forms the rounded contour of the human shoulder and is also known as the 'common shoulder muscle'. The anterior deltoids are also referred to as the front delts. They are responsible for flexion, internal rotation, and horizontal adduction.
During a push-up, the anterior deltoids help adduct the shoulder joint, bringing the arms inward towards the chest. They also help stabilise the shoulders during the downward phase of the push-up. The anterior deltoids are targeted more than the other heads during a push-up due to their location on the front of the shoulder joint.
The deltoid muscle is essential for arm abduction, which is the movement of raising your arm out to the side of your body. This function helps to keep carried objects at a safe distance from the thighs to avoid hitting them. The deltoid muscle also compensates for lost arm strength in the case of an injury, such as a rotator cuff tear. Additionally, it helps to stabilise the shoulder joint, preventing dislocations as you lift your arm or carry weight with your arms at your sides.
The deltoid muscle is a popular target for strength training. Some exercises that target the deltoids include standing next to a wall and pushing the arm against it, or using suitable dumbbell weights, resistance bands, and forward arm raises.
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Core
The core plays a crucial role in performing a push-up with proper form. The core muscles, in conjunction with the glutes, help to maintain a straight line from the head to the knees, preventing the hips from sagging and the back from arching. This is essential for stabilising the torso and ensuring correct posture during the exercise.
To engage the core effectively during a push-up, it is important to focus on bracing the abdominal muscles. This involves squeezing the abdominals to create a stable base and maintain a rigid torso. The rectus abdominis and transversus abdominis are the primary core muscles activated during push-ups, contracting continuously to hold the body off the floor and maintain alignment.
Additionally, the core can be targeted during push-ups by focusing on specific techniques. For example, performing push-ups on an unstable surface, such as a suspension device, increases the activation of core muscles, particularly the abdominals. This added instability challenges the core to work harder to maintain balance and control during the exercise.
In summary, while push-ups are well-known for working the chest, arms, and shoulders, they are also an excellent compound exercise for engaging and strengthening the core. By focusing on proper form and utilising variations or unstable surfaces, individuals can effectively target their core muscles during push-ups, improving stability, posture, and overall functional strength.
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Chest, arms, and shoulders
Push-ups are a compound bodyweight exercise that targets several muscles in the upper body, particularly the chest, arms, and shoulders.
Chest
The pectoralis major is the largest of the chest muscles and is the prime mover during a push-up. It consists of two heads: the clavicular head, which originates from the medial part of the clavicle, and the sternocostal head, which originates from the sternum and upper ribs. During the push-up, this muscle controls the descent of the torso towards the floor and pushes the body back up to the starting position. The pectoralis minor is another chest muscle that is smaller and lies under the pectoralis major. It keeps the scapulae, or shoulder blades, in position, allowing for the correct posture of the shoulders and upper back.
Arms
The triceps brachii, or triceps for short, are located on the back of the upper arm and are made up of three heads: the medial, lateral, and long heads. During the first half of the push-up, the triceps help stabilize the torso. During the upward phase, the triceps work to extend the elbow joints so that the arms can be fully extended.
Shoulders
The anterior deltoids are one of the major shoulder-joint horizontal adductors. During the upward phase of the push-up, they help bring the arms inward towards the chest and stabilize the shoulders during the downward phase.
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Frequently asked questions
The primary muscle groups targeted by push-ups include the chest, triceps, and shoulder muscles. The chest muscles, pectoralis major and pectoralis minor, are the main pushing muscle groups of the upper body.
Push-ups are a compound bodyweight exercise, meaning they target several muscle groups beyond the chest, triceps, and shoulders. These include the abdominal muscles, deltoids, serratus anterior, coracobrachialis, and the midsection as a whole.
Some common mistakes to avoid include not going down far enough, letting the hips sag, incorrect hand placement, and pushing up from the neck. It is important to maintain proper form and core bracing to ensure the correct muscles are engaged during the exercise.
Push-ups are an effective way to build muscle strength without the need for heavy weights or equipment. They work multiple muscle groups simultaneously, increasing muscle activation and improving joint stability. Regular practice of push-ups can lead to increased muscle definition and strength gains over time.
