Arm
What muscle is the major abductor of the arm at the shoulder and is innervated by the axillary nerve?
Deltoid Muscle
Which epicondyle does the flexor muscles originate from
Medial epicondyle
What is the common extensor origin?
Lateral epicondyle of the humerus
Which muscle group at the base of the thumb is responsible for thumb opposition and is innervated mainly by the median nerve.
Thenar muscles
What is the only intrinsic muscles located on the dorsum of the hand?
Dorsal interossei
Which large posterior compartment muscle is the major extensor of the elbow and is innervated by the radial nerve
Triceps Brachii
Which two muscles help in pronation of forearm
Pronator teres and quadratus
What is the common condition associated with the common extensory origin?
Tennis elbow - lateral epicondylitis
Which hypothenar muscle flexes the little finger at the MCP joint and is innervated by the ulnar nerve
Flexor digiti minimi
Which Muscle flexes the index finger
Flexor Digitorum Profundus
Which muscle is the main flexor of the elbow and is innervated by the musculocutaneous nerve?
Brachialis
What is Flexor Digitorum Profundus innervated by?
Ulnar nerve and Anterior interosseous branch of the median nerve
What is the only posterior forearm muscle that flexes the elbow?
Brachioradialis
Where do the lumbricals flex and extend the fingers at?
Flexion at MCP joint, extend at IP joint
What is the nerve that innervates the dorsal interossei?
Deep branch of ulnar nerve
Which small muscle of the anterior compartment assists in shoulder flexion and is supplied by the musculocutaneous nerve?
Coracobrachialis
Which muscle flexes the thumb at mcp and dip joints
Flexor Policis Longus
What is the innervation of the extensor digiti minimi and the extensor carpi ulnaris?
Deep branch of radial nerve
Which muscle abducts the fingers away from the midline of the hand and is innervated by the ulnar nerve.
Dorsal interossei
What is the function of the abductor digiti minimi?
Abducts little finger instead of a dorsal interosseous muscle
Which small muscle at the posterior elbow assists triceps in extension and supplied by the radial nerve?
Anconeus
Which two muscles in the anterior forearm are innervated by ulnar nerve?
Flexor digitorum superficialis and Flexor Carpi ulnaris
What is the function of the anconeus muscle?
Extension and stabilisation of elbow joint, abduction of ulna during pronation of forearm
Which small muscle adducts the fingers towards the midline of the hand and is innervated by the ulnar nerve?
Palmar interossei
Which tendons form the anatomical snuffbox
Extensor Policis Longus, Abductor Policis Longus, Extensor Policis Brevis