Superficial and Deep Forearm Muscles (ANTERIOR)

Question 1

Biceps Brachii and Brachialis muscles

Answer 1

Location: Cross the anterior elbow joint
Function: Flexion of the forearm

Question 2

Brachioradialis Muscle

Answer 2

Location: Descending on the lateral side of the forearm, inserts upon the styloid process of the radius
Function: Assisting the biceps brachii and brachialis in the flexion of the forearm

Question 3

5 Superficial Muscles Invovled in flexion or pronation

Answer 3

Alll attach to the medial epicondyle of the humerus, pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris, flexor digitorum superficialis

Question 4

Pronator Teres

Answer 4

Function: rotates the palm backward

Question 5

Flexor Carpi Radialis

Answer 5

Function: flexes the wrist on the lateral side

Question 6

Palmaris Longus

Answer 6

Location: includes a long tendon which expands to form a dense connective tissue sheet (palmar aponeurosis) in the hand
Function: tense the palm and assists in flexion of the wrist.

Question 7

Flexor Carpi Ulnaris

Answer 7

Function: flexes the wrist on the medial side

Question 8

Fexlor Digitorum Superficialis

Answer 8

Location: sends tendons to the middle phalanx of the medial four digits (Index, long, ring and little fingers, but not the thumb)
Function: acts in flexion of the proximal and middle phalanges, and assists in the flexion of the wrist.

Question 9

MP Joints

Answer 9

moved in waving motions

Question 10

PIP joints

Answer 10

May also be independently moved with each digit flexing separately.

Question 11

Three deep muscles involved in flexion or pronation

Answer 11

Flexor pollicis longus, flexor digitorum profundus, pronator quadratus

Question 12

Flexor Pollicis Longus

Answer 12

Location: To the thumb distal phalanx
Function:

Question 13

Flexor Digitorum Profundus

Answer 13

Location: Distal phalanx of the medial four digits (Index, long, ring and little fingers)
Function: Allows (in some people) independent flexion of only the fingertips in these digits

Question 14

Pronator Quadratus

Answer 14

Location: Found near the wrist
Function: Flat square muscle, contracts with the pronator teres, in producing rotation of the hand, with the palm moving in a posterior (dorsal) direction

Question 15

Thenar Eminence

Answer 15

Two sets of intrinsic muscles that form the prominent bulge on the thumb side

Question 16

Hypothenar Eminence

Answer 16

Medial Side of the palm