Flexion And Extension Exercises For Your Joints

Dhealthwellness.com – Performing Flexion & Extension exercises are important for your body, especially for your joints. There are many different exercises for your joints, such as flexing your knee and extending your ankle. These exercises are vital for keeping your joints healthy, and for improving the overall function of your body. These exercises can also help prevent injuries from happening in the first place.

Shoulder Flexion and Extension Is Performed Using Various Muscles

During shoulder flexion, the arm moves posteriorly and forward. This is due to the motion of the joint, whereas, during extension, the arm moves anteriorly. Shoulder flexion and extension is performed by using a range of muscles, including the anterior deltoid, pectoralis major, teres major, and minor. During shoulder flexion, the posterior rotator cuff muscles recruit to counterbalance the anterior humeral head translation. During shoulder flexion, the activity of these muscles is higher than during extension.

The shoulder flexion and extension exercises were performed at 20%, 50%, and 70% of the maximal load. ANOVA was used to compare exercises. The muscles were evaluated by comparing their mean EMG patterns. The results showed that both the shoulder flexor and the elbow extensor were activated during shoulder flexion. However, the activity of the shoulder extensor was greater than that of the elbow extensor during shoulder extension.

The shoulder extensor and the elbow extensor were not only activated during shoulder flexion and elbow extension but they were also activated during shoulder rotation. The activity of these muscles was similar to the activity of the shoulder flexor.

Knee Extension Power at Low Knee Flexion Angles

The HQ ratios of the rectus femoris and hamstrings muscles were also examined. These muscles were bi-articular and contribute to knee extension. The rectus femoris muscle showed less influence on knee extension strength at low knee flexion angles. The hamstrings showed more influence at higher knee flexion angles.

The magnitude of these two ratios was not apparent from traditional measurements. However, angle-specific HQ ratios can provide additional information. They show that the torque produced by the rectus femoris muscle is larger at higher knee flexion angles.

Keeping a healthy ankle can have a huge impact on performance and fitness. Injuries can cause balance issues and hamper performance. In addition, the right exercises can help strengthen and stabilize the ankle. It’s important to consult with an orthopedic surgeon before starting any exercise regimen.

The Flexor Digitorum Longus is a Long Strong Muscle

The flexor digitorum longus is a mighty long muscle that runs along the plantar surface of the foot. It is also the shortest of all the muscles at the ankle, and the one with the most dual duty. Despite being the least impressive of the three, it is the most powerful flexor of all.

The flexor digitorum longus is also the most powerful flexor of the toes. In addition to supporting arches, it also plays a role in stabilization of the knee during medial rotation. Unlike the flexor digitorum longus, the tibialis fex is not as powerful.

The best way to measure the best possible flexor and extensor contractions is to measure the strain of each muscle separately. This is not as difficult as it sounds, as long as you take the time to properly measure. The best way to do this is to do it in the presence of a friend, as they can hold up a camera for you to take pictures of the results.


Mendez-Angulo, Jose L., et al. “Effect of water depth on amount of flexion and extension of joints of the distal aspects of the limbs in healthy horses walking on an underwater treadmill.” American journal of veterinary research 74.4 (2013): 557-566.

Pearcy, Mark J., and Nikolai Bogduk. “Instantaneous axes of rotation of the lumbar intervertebral joints.” Spine 13.9 (1988): 1033-1041.

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