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The External Ear
…otoscopy. On the inner surface of the membrane, the handle of malleus attaches to the tympanic membrane, at a point called the umbo of tympanic membrane. The handle of malleus…
The Ulnar (Guyon’s) Canal
The ulnar (Guyon’s) canal is a fibro-osseous tunnel located at the level of the palm. It transmits the ulnar neurovascular bundle from the forearm into the hand. In this article,…
The Ulnar Tunnel
…ulnaris and continues into the forearm and hand. Clinical Relevance: Cubital Tunnel Syndrome Cubital tunnel syndrome refers to compression of the ulnar nerve within the ulnar tunnel. It is the…
The Middle Ear
…the internal ear. The malleus is the largest and most lateral of the ear bones, attaching to the tympanic membrane, via the handle of malleus. The head of the malleus…
The Pelvic Girdle
…via the vagina. (To do this you use the tip of your middle finger to measure the sacral promontory and then using the other hand to mark the level of…
The Upper Limb
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Opponens Digiti Minimi
The opponens digiti minimi is a hypothenar muscle located within the hand. It lies deep to the other hypothenar muscles. Attachments: Originates from the hook of hamate and associated flexor…
Abductor Pollicis Brevis
The abductor pollicis brevis is a thenar muscle located within the hand. It forms the anterolateral aspect of the thenar eminence, overlying the opponens pollicis. Attachments: Originates from the tubercles…
Opponens Pollicis
The opponens pollicis is a thenar muscle located within the hand. It is the largest of the thenar muscles, and is located underneath the flexor pollcis brevis and abductor pollicis…
Adductor Pollicis
The adductor pollicis is an intrinsic muscle of the hand. It is a triangular shape with two heads. The radial artery passes anteriorly through the space between the two heads…