CCRI-Newport Q12
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| abducts the arm (humerus) | show 🗑
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| show | This is an action of the muscle of the scapula that has the long thoracic nerve on its superficial surface. It is the only muscle of the scapula to do this.
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| abducts the wrist (hand) | show 🗑
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| show | Four of the muscles that move the arm have this action. No other muscles that we study perform this action.
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| show | This is an action that only the trapezius muscle and the rhomboid muscles perform.
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| show | Two muscles in the forearm have this action and they are the flexor carpi ulnaris muscle and the extensor carpi ulnaris muscle.
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| anconeus m. | show 🗑
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| axillary nerve | show 🗑
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| show | This muscle flexes the forearm and supinates the wrist. Nerve: musculocutaneous nerve. Origin: the supraglenoid tubercle and the coracoid process of the scapula. It inserts on the radial tuberosity of the radius and on the bicipital aponeurosis.
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| brachialis m. | show 🗑
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| show | This muscle moves the forearm and the wrist. It is the only flexor muscle that we study that is served by the radial nerve. Origin: supracondyloid ridge of the humerus, Insertion: the radius
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| coracobrachialis m. | show 🗑
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| show | This landmark of the scapula can be palpated in the infraclavicular fossa. The name implies that it looks like a crow’s beak. It is the origin for the biceps brachii and the coracobrachialis. It is the insertion for pectoralis minor.
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| show | The only muscles that we study that have this action are three muscles from the group that move the arm. One of them is latissimus dorsi.
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| show | This is an action of the trapezius and pectoralis minor muscles but not the rhomboids and serattus anterior muscles.
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| show | This is the nerve that serves the rhomboid muscles and part of the levator scapulae ventralis muscle.
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| show | This is the nerve supply for the levator scapulae (ventralis) muscle.
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| elevates the scapula | show 🗑
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| show | Origin: the lateral 1/2 of the clavicle, the acromion, and the spine of the scapula. Insertion: the humerus, Nerve: axillary nerve. Actions: prime flexor, abductor, and extensor of the arm (humerus), laterally and medially rotates the arm (humerus).
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| show | This is the action of the extensor digitorum lateralis and one of the actions of extensor digitorum communis.
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| extends the forearm | show 🗑
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| show | Four of the five muscles that we study in the posterior compartment of the forearm that move the wrist or the digits have this action.
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| show | Found in the posterior compartment of the forearm and is served by the radial nerve. Originates on the lateral epicondyle of the humerus. It inserts on the carpals or digits, specifically the base of the third metacarpal. It extends and abducts the wrist.
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| extensor carpi radialis longus m. | show 🗑
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| extensor carpi ulnaris m. | show 🗑
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| show | This is the shorter name for a muscle that extends the wrist and the digits. This muscle has another name, but it is a longer name.
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| show | In the posterior compartment of the forearm and served by the radial nerve. Originates on the lateral epicondyle of the humerus. Inserts on the digits, specifically by four tendons, one to each digit except the thumb. It extends the wrist and digits.
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| show | This is a cat only muscle that inserts on the carpals or digits and is supplied by the radial nerve. Its origin is on the lateral epicondyle of the humerus.
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| flexes the arm (humerus) | show 🗑
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| flexes the forearm | show 🗑
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| flexes the digits | show 🗑
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| show | This is one action of the levator scapulae ventralis and it is the only muscle that stabilizes the scapula that has this action.
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| flexes the wrist (hand) | show 🗑
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| flexor carpi radialis m. | show 🗑
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| show | In anterior compartment of the forearm. Originates on the medial epicondyle of the humerus. It inserts on the carpals or digits. It is served by the ulnar nerve, making it unusual for this compartment of the forearm. It flexes and adducts the wrist.
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| show | In the anterior compartment of the forearm. The only muscle of this compartment served by two nerves, half by the median nerve and half by the ulnar nerve. Origin: proximal 75% of the ulna. It inserts on the digits and flexes the wrist and the digits.
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| flexor digitorum superficialis m. | show 🗑
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| half median nerve, half ulnar nerve | show 🗑
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| show | This is one of the rotator cuff muscles. It is a lateral rotator of the arm and is served by the suprascapular nerve. It inserts on the humerus. It originates on the infraspinous fossa of the scapula.
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| show | This describes the generic insertion of the group of ten muscles that move the wrist or the digits.
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| inserts on the radius | show 🗑
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| show | This is the generic insertion for the rotator cuff muscles and the muscles that move the arm.
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| inserts on the scapula | show 🗑
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| show | There are two muscles that have this action, they are the infraspinatus muscle and teres minor muscle.
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| inserts on the ulna | show 🗑
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| laterally and medially rotates the arm (humerus) | show 🗑
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| latissimus dorsi m. | show 🗑
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| levator scapulae (ventralis) m. | show 🗑
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| long thoracic nerve | show 🗑
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| lower subscapular nerve | show 🗑
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| show | This is the nerve that serves the pectoralis minor.
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| medial and lateral pectoral nerves | show 🗑
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| show | Five muscles have this action. One is a rotator cuff muscle and the other four muscles that have this action are muscles that move the arm.
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| median nerve | show 🗑
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| show | This is the description of general function for 5 muscles. Some authors say they stabilize the scapula. They include trapezius, lavator scapulae ventralis, rhomboids, pectoralis minor, and serratus anterior.
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| show | This nerve is formed from the lateral cord. It contains nerves from the anterior rami of C5, C6, and C7. It serves the anterior compartment of the arm. It also receives sensory input from the lateral cutaneous area of the forearm.
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| origin on the anterior surface of humerus | show 🗑
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| show | This is the origin for the coracobrachialis muscle.
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| origin on the iliac crest, spines of the thoracic vertebrae 7 - 12, and the lumbar fascia | show 🗑
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| show | This is the origin for the triceps brachii muscle.
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| origin on the infraspinous fossa of scapula | show 🗑
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| show | This is the origin for the teres minor muscle (on the superior 2/3 of this origin) and the teres major muscle (on the inferior 1/3 of this origin).
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| origin on the lateral epicondyle of the humerus | show 🗑
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| origin on the lateral epicondyle of the humerus and ulna | show 🗑
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| origin on the lateral half of the clavicle, acromion and spine of the scapula | show 🗑
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| origin on the ligamentum nuchae and spines of cervical vertebra 7 – thoracic vertebra 12 | show 🗑
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| show | This is the origin for the following muscles: Flexor Carpi Radialis, Palmaris Longus, Flexor Carpi Ulnaris, and Flexor Digitorium Superficialis.
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| show | This is the origin for the pronator teres muscle.
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| origin on the proximal 75% of ulna | show 🗑
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| show | This describes the origin for a muscle that has the long thoracic nerve on its superficial side.
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| show | This is the origin of a muscle that inserts on the scapula, and specifically on the coracoids process of the scapula. It is served b the medial pectoral nerve.
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| origin on the spines of cervical vertebrae 1 – 4 | show 🗑
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| origin on the spines of cervical vertebra 7-thoracic vertebra 5 | show 🗑
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| show | This is the origin for the pectoralis major muscle.
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| show | This is the origin for the subscapularis muscle.
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| origin on the supracondyloid ridge of the humerus | show 🗑
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| show | This is the origin for the biceps brachii muscle.
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| show | This is the origin for the supraspinatus muscle.
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| show | There is only one muslce that we study that has this simple origin at the distal end of the forearm. The muscle is one of the muscles that move the hand.
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| show | In the anterior compartment of the human forearm, but not in the cat’s. It is served by the median nerve. It flexes the wrist, but does not move the digits. About 10% of the human population does not have this muscle.
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| pectoralis major m. | show 🗑
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| show | Origin: on the ribs 3 through 5. Insertion: the scapula It is served by the medial pectoral nerve. Its action is to depress and rotate the scapula. It is one of the five muscles that stabilize (moor) the scapula.
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| show | This is the one action of the deltoid muscle that describes its unique role.
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| pronates (medially rotates) wrist (hand) | show 🗑
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| pronator quadratus m. | show 🗑
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| show | Origin: medial epicondyle of the humerus and on the ulna. It inserts on the radius, specifically on the middle third of the lateral surface of the radius. It is served by the median nerve. It pronates the wrist.
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| radial nerve | show 🗑
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| rhomboideus muscles | show 🗑
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| rotates the scapula | show 🗑
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| rotator cuff | show 🗑
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| serratus anterior (ventralis) m. | show 🗑
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| show | This is an unusual cranial nerve in that it is primarily a motor nerve to two muscles, one of which is a muscle that stabilizes the scapula.
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| subscapularis m. | show 🗑
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| show | This is an action of the supinator muscle, brachioradialis muscle, and biceps brachii muscle.
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| supinator m. | show 🗑
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| suprascapular nerve | show 🗑
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| show | This is one of the rotator cuff muscles. It is the only one that abducts the arm. Origin: is on the supraspinous fossa of the scapula specifically on the medial 66.7% of supraspinous fossa of the scapula. Insertion humerus. Nerve: suprascapular nerve.
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| show | This is one of the five muscles that move the arm other than the rotator cuff muscles. Origin: lateral border of the scapula (the Inferior third). Insertion: humerus. Nerve: lower subscapular nerve. It extends, adducts, and medially rotates the arm.
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| teres minor m. | show 🗑
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| show | This nerve is found on the deep side of the latissimus dorsi at the humeral end. It serves that muscle and runs with an artery of the same name.
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| show | Origin: ligamentum nuchae and C7 to T12. Insertion: Scapula. It is served by the spinal accessory nerve (XI). It elevates, adducts (retracts), rotates, and depresses the scapula.
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| show | Origin: infraglenoid tubercle of the scapula and the shaft of the humerus. It inserts on the ulna, specifically on the olecranon process of ulna. It is served by the radial nerve. It has the same action as the anconeus muscle.
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| upper and lower subscapular nerves | show 🗑
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| show | The medial cord gives rise to this nerve in the axilla. It contains nerves from the anterior rami of C8 and T1. It runs along the ulna bone with the ulnar artery.
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