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Biceps reflex is a deep tendon reflex (DTR) test (also known as a muscle-stretch reflex test) [1] that examines the function of the C5 reflex arc and the C6 reflex arc. [2] The test is performed by using a tendon hammer to quickly depress the biceps brachii tendon [ 3 ] as it passes through the cubital fossa .
The biceps or biceps brachii (Latin: musculus biceps brachii, "two-headed muscle of the arm") is a large muscle that lies on the front of the upper arm between the shoulder and the elbow. Both heads of the muscle arise on the scapula and join to form a single muscle belly which is attached to the upper forearm.
The biceps flexes the lower arm. The brachioradialis, in the forearm, and brachialis, located deep to the biceps in the upper arm, are both synergists that aid in this motion. Synergist muscles also called fixators, act around a joint to help the action of an agonist muscle.
The fibers in convergent, or triangular muscles converge at one end (typically at a tendon) and spread over a broad area at the other end in a fan-shape. [ 3 ] [ 6 ] Convergent muscles, such as the pectoralis major in humans, have a weaker pull on the attachment site compared to other parallel fibers due to their broad nature.
The fast twitch fibers rely on a well-developed, anaerobic, short term, glycolytic system for energy transfer and can contract and develop tension at 2–3 times the rate of slow twitch fibers. Fast twitch muscles are much better at generating short bursts of strength or speed than slow muscles, and so fatigue more quickly. [36]
Bicep curl form. Take the time to perform bicep curls slowly, step by step, and this will help you develop muscle memory so that when they pop up during a workout, you can be confident you’re ...
Multiunit smooth muscle tissues innervate individual cells; as such, they allow for fine control and gradual responses, much like motor unit recruitment in skeletal muscle. Smooth muscle is found within the walls of blood vessels (such smooth muscle specifically being termed vascular smooth muscle ) such as in the tunica media layer of the ...
The Covington, Louisiana native shared that he had been “running so hard” building his bourbon company, Brothers Bond Bourbon, that he became “disconnected” from his body and the ...