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Why would there only be one major elbow extensor compared to three elbow flexor?
Wiki User
∙ 13y ago
The Triceps muscle is the most powerful extensor of the elbow and it is innervated by the radial nerve.
Triceps has three heads.
Long head originates from the Infraglenoid tubercle of scapula
Lateral and middle heads originate from posterior surface of shaft of humerus and between them have a groove called the radial/spiral groove through which passes the radial nerve and profunda brachi artery. In fractures of the midshaft of humerus, the radial nerve can thus be damaged.
All three heads joint to form a common tendon at back of elbow and attach to the olecranon process of the ulna
Wiki User
∙ 13y ago
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Which pair of the opposing muscle controls the movements in the upper and lower ends of the chicken's wing?
The Flexor and Extensor muscles controls this movements. In particular, a chicken or a fowl's Flexor and Extensor muscles are called Pectoralis major and Pectoralis minor, respectively.Hope that helped! :))
What are the flexor and extensor muscles for your legs?
The major flexors of the knee are the hamstrings, which include: biceps femoris, semitendinosus, and semimembranosus. The major extensors of the knee are the quadriceps, which include: rectus femoris, vastus medialis, and vastus lateralis.
What is the primary flexor of the vertebral column?
Pectoralis Major is the correct answer -Lucein
How big is Europa compared to Jupiter's other major moons?
Europa is the smallest of the Galilean satellites.
What is the major drawback for a single cell?
This question is not specific enough. what is the drawback for a single cell in what way? compared to what else?
Which pair of the opposing muscle controls the movements in the upper and lower ends of the chicken's wing?
The Flexor and Extensor muscles controls this movements. In particular, a chicken or a fowl's Flexor and Extensor muscles are called Pectoralis major and Pectoralis minor, respectively.Hope that helped! :))
Which muscles are used in the controlled movement of holding a tennis racket?
1) Pectoral muscles, major and minor. 2) Deltoid. 3) Teres major. 4) Subscapularis. 5) Supraspinatus. 6) Infraspinatus. 7) Teres minor. 8) Biceps. 9) Triceps. 10) Coracobrachialis 11) Brachialis. 12) Brachioradialis. 13) Flexor carpi ulnaris. 14) Flexor carpi radialis. 15) Flexor digitorum superficialis. 16) Flexor digitorum profundus. 17) Flexor pollicis longus. 18) Flexor pollicis brevis 19) Extensor digitorum longus 20) Extensor pollicis longus. 21) Extensor pollicis brevis. 22) Extensor carpi radialis longus. 23) Extensor carpi radialis brevis. 24) Extensor carpi ulnaris. 25) Pronater teres. 26) Pronater quadratus. 27) Palmaris longus 28) Abductor pollucis brevis 29) Flexor pollucis brevis 30) Opponens pollucis. 31) Adductor pollucis. 32) Abductor digiti minimi. 33) Flexor digiti minimi. 34) Opponens digiti minimi 35) Interossei, palmer as well as dorsal. Rhomboidus major and minor, Serratus anterior and Trapezius holds the scapula and should be included in superior extremity.
What muscle that extends the elbow?
The triceps (all 3 heads) are fulfilling the role of agonist or prime mover during extension about the elbow. The anconeus muscle also acts in synergy with the triceps to contribute to elbow extension.
A major spine flexor?
Rectus Abdominus
When the forearm is extended at the elbow joint what muscle acts as the prime mover?
Pectoralis Major (E. Marieb and S. Mitchell, Human Anatomy and Physiology)
What muscle is a major spine flexor?
Rectus abdominis
Which muscle is a major spine flexor?
rectus abdominis
What are two major muscles used when flexing your arm?
When flexing your arm you would use shoulder muscles, mainly the deltoids and pectoralis major. If you flex your elbow (which most people think means flexing your arm, but is really the forearm), then you would use your biceps, brachialis. and brachioradialis muscles, which would be three muscles, depending on the orientation of the forearm.
What are the major head flexor muscles?
Sternocleidomastoid muscles
What muscles are used to drink a beer?
First you need to hold the beer. this involves flextion of the fingers. the muscles used for this is: flexor digitorum superficialis; flexor figitorum profundus; flexor pollocis longus. then you need to pronate your wrist. this uses : pronator teres; pronator quadratus; brachioradialis you also need to flex the elbow joint. this uses : biceps brachii; brachialis; brachioradialis then finally you need to abduct the shoulder: middle deltoid; suprispinatus; pectoralis major.
What are the flexor and extensor muscles for your legs?
The major flexors of the knee are the hamstrings, which include: biceps femoris, semitendinosus, and semimembranosus. The major extensors of the knee are the quadriceps, which include: rectus femoris, vastus medialis, and vastus lateralis.
Major spine flexor?
Rectus Abdominus (your six-pack muscle)
