Exam 1: Thoracic mm and Joints 2 Flashcards
what does green point to
Antebrachiocarpal joint
what does orange point to
Middlecarpal joint
what does yellow point to
Intercarpal joints
what does blue point to
Carpometacarpal joints
what does pink point to
Intermetacarpal joint
what does white point to
Metacarpophalangeal joint
what does grey point to
Proximal interphalangeal joint
what does brown point to
Distal interphalangeal joint
what 4 muscles make up the flexor group
- flexor carpi radialis m
- superficial digital flexor m
- flexor carpi ulnaris m
- deep digital flexor m
(Flexor is stronger than extensor)
What 5 muscles make up the extensor group
- extensor carpi radialis m.
- common digital extensor
- lateral digital extensor
4.. extensor carpi ulnaris m. (ulnaris lateralis )
5.. abductor digit I longus m.
What is the left muscle pointing to? Right?
left: extensor mm
right: flexor mm.
what muscle is this?
List the OIA
Flexor carpi radialis m.
Origin: medial
epicondyle of the
humerus
Insertion: palmar base of 2nd and 3rd metacarpal
bones
Action: flex the carpal joints
what muscle is this?
List the OIA
Superficial digital
flexor m. (SDF)
Origin: medial epicondyle
of the humerus
Insertion: palmar bases of
the middle phalanges
Action: flex the carpal
joints; flex the
metacarpophalangeal joints;
flex the proximal
interphalangeal joints
what muscle is this?
List the OIA
Flexor carpi ulnaris m (2 HEADS)
Origin: medial epicondyle
of the humerus olecranon of the ulna
Insertion: accessory carpal
bone
Action: flex the
antebrachiocarpal joint
what muscle is this?
List the OIA
Deep digital flexor m. (DDF)
Origin:
- Ulnar head: (1)body of the ulna
- Humeral head: (2) medial
epicondyle
of the humerus;
- Radial head: (3) body of the
radius;
Insertion: flexor tubercles of the
distal phalanges
Action: flex the carpal joints;
flex the digital joints
what muscle is this?
Deep digital flexor (DDF)
what muscle is this?
List the OIA
Pronator teres m
Origin: medial epicondyle of
the humerus
Insertion: body of radius
Action: pronation of the manus
what muscle is this?
List the attachment and action
Pronator quadratus m.
Attachments: apposed surfaces of
the radius and the ulna
Action: pronation of the manus
What ligament(s) is yellow pointing to
palmar radiocarpal ligament & palmar ulnocarpal ligament
what bone is pink pointing to
accessory carpal bone
what is yellow pointing to
Intersesamoidean lig.
Connective tissue between
the proximal sesamoid bones.
Digits II-V
what is blue pointing to
Axial & abaxial collateral ligg. of metacarpophalangeal joint
Digits II-V
what is pink pointing to
Cruciate ligg. of sesamoid bones
Digits II-V
what is 1
what is 2
