The summary of class notes + textbook for the human anatomy. In-depth description of the bones, muscles, fascias, and organs of the body with related clinical cases
Arm and Forearm
Bone Elements of the Arm + Forearm
Humerus: Single bone in the arm
Have specialised surfaces for
joints at the lower end
Radius: Lateral bone of the forearm
Ulna: Medial bone of the forearm
Joints:
Humeroulnar joint: between
humerus and ulna
Humeroradial joint: between
Humerus and radius
Superior radioulnar joint: between
radius and ulna
Humerus
Upper end:
Greater and lesser tuberosities
(tubercles)
Intertubercular (bicipital) sulcus
Arm and Forearm 1
, Deltoid tuberosity:
Is a rough area where the
deltoid is attached to the
humerus
Lower end:
Lateral
Capitulum: small, round for the
radius
Medial
Trochlea: large, with a groove
for the ulna
⇒ Capitulum + Trochlea make up the
condylar area
Above the condylar area are the
epicondyles
Medial epicondyle
Above is the medial
supraepicondylar ridge
Lateral epicondyle
Above is the lateral
supraepicondylar ridge
Arm and Forearm 2
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