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The term biceps brachii is a Latin phrase meaning "two-headed [muscle] of the arm", in reference to the fact that the muscle consists of two bundles of muscle, each with its own origin, sharing a common insertion point near the elbow joint. The proper plural form of the Latin adjective biceps is bicipites, [23] a form not
The biceps femoris (/ ˈ b aɪ s ɛ p s ˈ f ɛ m ər ɪ s /) is a muscle of the thigh located to the posterior, or back. As its name implies, it consists of two heads; the long head is considered part of the hamstring muscle group, while the short head is sometimes excluded from this characterization, as it only causes knee flexion (but not hip extension) [1] and is activated by a separate ...
The bicipital aponeurosis originates from the distal insertion of the biceps brachii, and inserts into the deep fascia of the forearm. [1] The biceps tendon inserts on the radial tuberosity, and the bicipital aponeurosis lies medially to it. [2] It reinforces the cubital fossa, helping to protect the brachial artery and the median nerve running ...
Coracobrachialis muscle arises from the (deep surface of the) apex of the coracoid process of the scapula (a common origin with the short head of the biceps brachii [1] [2]). It additionally also arises from the proximal portion of tendon of origin of the biceps brachii muscle. [1]
The origin of a muscle is the bone, typically proximal, which has greater mass and is more stable during a contraction than a muscle's insertion. [14] For example, with the latissimus dorsi muscle, the origin site is the torso, and the insertion is the arm. When this muscle contracts, normally the arm moves due to having less mass than the torso.
The brachialis muscle is innervated by the musculocutaneous nerve, which runs on its superficial surface, between it and the biceps brachii. [2] However, in 70-80% of people, the muscle has double innervation with the radial nerve (C5-T1). The divide between the two innervations is at the insertion of the deltoid. [3]
Biceps femoris: originates from lateral sacroiliac ligaments, the coccygeal fascia and gluteal fascia, the intermuscular septum between the biceps femoris muscle and semitendinosus. Inserts into the caudal side of the femur, lateral patellar ligaments, cranial side of the patella, and calcanean tuber.
the gluteus maximus muscle inserted above, and the short head of the biceps femoris muscle originating below. Between the adductor magnus and the vastus medialis four muscles are inserted: the iliacus muscle and pectineus muscle above; the adductor brevis muscle and adductor longus muscle below. The linea aspera is perforated a little below its ...