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What does your arm bend to?
Your arm bends at the elbow joint, which allows for flexion and extension. The primary muscles involved in bending the arm are the biceps brachii for flexion and the triceps brachii for extension. This motion enables various activities, such as lifting, throwing, and reaching.
What kind of muscle not responsible for flexion or extension of the arm?
The supinator muscle is a muscle in the forearm that is not directly responsible for flexion or extension of the arm. Its primary function is to rotate the forearm in a movement called supination, where the palm faces up.
What bones are involved in hamstring exercise?
The primary bones involved in hamstring exercises include the femur, tibia, and fibula. The hamstring muscles originate from the ischial tuberosity of the pelvis and attach to the tibia and fibula. During hamstring exercises, these bones facilitate the movement of the leg at the knee and hip joints, allowing for flexion and extension that engage the hamstring muscles effectively.
What are three primary muscles active at the knee?
The three primary muscles active at the knee are the quadriceps, hamstrings, and gastrocnemius. The quadriceps, located at the front of the thigh, are responsible for knee extension. The hamstrings, located at the back of the thigh, facilitate knee flexion. The gastrocnemius, a calf muscle, also plays a role in knee flexion while assisting with ankle movements.
Prime movers of planter flexion of the foot?
extensor digitorum longus, the extensor hallucus longus and the peroneus tertius muscles help dorsi flexiontibialis anterior
What muscles act on the hip and lower limb?
The primary muscles acting on the hip and lower limb include the gluteal muscles (gluteus maximus, medius, and minimus), which are responsible for hip extension, abduction, and stabilization. The hip flexors, particularly the iliopsoas, are crucial for hip flexion. Additionally, the quadriceps and hamstrings play vital roles in knee extension and flexion, respectively, while the calf muscles (gastrocnemius and soleus) facilitate ankle movement. These muscle groups work in concert to enable various movements such as walking, running, and jumping.
What are the 9 primary joint actions of the shoulder joint?
flexion, extension, abduction, adduction, hoizontal abduction/extention, internal rotation, external rotation, circumduction, adduction/flexion
What are the antagonist muscle used in knee extension?
The antagonists would be those muscles that cause knee flexion. Hamstrings (biceps femoris, semimembranosus, semitendonosis) are the primary knee flexors, and would thus be antagonists to knee extension.
What muscles are used in hip and knee extension?
Hip and knee extension primarily involves the gluteus maximus and the hamstring muscles for hip extension, while the quadriceps are the primary muscles responsible for knee extension. The gluteus maximus helps to extend the hip joint, while the hamstrings facilitate both hip extension and knee flexion. The quadriceps, particularly the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius, are crucial for straightening the knee during extension. Together, these muscle groups work to perform movements such as standing up, walking, and running.
What are the primary muscles involved in scapula depression?
The primary muscles involved in scapula depression are the lower trapezius and the latissimus dorsi.
What muscle is the primary mover for knee flexion?
The prime mover for knee flexion is biceps femoris, semimembranosus, and semitendinosus. The prime mover for knee extension is the Quadriceps â?? vastus lateralis, vastus medialis, vastus intermedius, and rectus femoris
What are the primary muscles involved in a pull-up exercise?
The primary muscles involved in a pull-up exercise are the latissimus dorsi (back muscles), biceps, and forearms.
