Home › Body Atlas › Muscles

Body Atlas, Muscle Reference

Muscles

Complete muscle reference, origins, insertions, nerve supply, actions, clinical notes, and common injuries.

22 muscles

22 muscles in Hand & Wrist Clear ×

Muscle Abductor Digiti Minimi (Hand) musculus abductor digiti minimi manus Hand & Wrist The abductor digiti minimi is the most medial hypothenar muscle, forming the visible ulnar border of… Muscle Abductor Digiti Minimi (Hand) musculus abductor digiti minimi manus Hand & Wrist The ADM is the most lateral hypothenar muscle, forming the medial border of the hand and… Muscle Abductor Pollicis Brevis musculus abductor pollicis brevis Hand & Wrist The abductor pollicis brevis is the most superficial thenar muscle, forming the rounded prominence of the… Muscle Abductor Pollicis Brevis musculus abductor pollicis brevis Hand & Wrist The APB is the most superficial thenar muscle and is exclusively innervated by the recurrent motor… Muscle Abductor Pollicis Brevis (Full) musculus abductor pollicis brevis Hand & Wrist The APB is the most superficial thenar muscle and the most reliable test of median nerve… Muscle Adductor Pollicis musculus adductor pollicis Hand & Wrist The adductor pollicis is the deepest thenar muscle and the primary provider of key pinch force,… Muscle Adductor Pollicis (Full) musculus adductor pollicis Hand & Wrist The adductor pollicis is the most powerful intrinsic muscle of the hand, generating the key pinch… Muscle Dorsal Interossei (Hand) musculi interossei dorsales manus Hand & Wrist The four dorsal interossei are bipennate muscles filling the four metacarpal spaces on the dorsal hand,… Muscle First Dorsal Interosseous (Full) musculus interosseus dorsalis primus manus Hand & Wrist The first dorsal interosseous is the largest interosseous muscle, forming the visible bulk of the first… Muscle Flexor Digiti Minimi Brevis musculus flexor digiti minimi brevis manus Hand & Wrist The flexor digiti minimi brevis is the central hypothenar muscle, flexing the little finger at the… Muscle Flexor Digiti Minimi Brevis (Hand) musculus flexor digiti minimi brevis manus Hand & Wrist The FDMB forms the central hypothenar muscle, flexing the little finger MCP joint. With the ADM… Muscle Flexor Pollicis Brevis musculus flexor pollicis brevis Hand & Wrist The flexor pollicis brevis has the unusual distinction of dual innervation, with the superficial head supplied… Muscle Flexor Pollicis Brevis musculus flexor pollicis brevis Hand & Wrist The FPB flexes the thumb MCP joint and is one of the three thenar muscles innervated… Muscle Interosseous Dorsalis I (First) musculus interosseus dorsalis primus manus Hand & Wrist The first dorsal interosseous is the most prominent and easily tested interosseous muscle, forming the rounded… Muscle Lumbricals (Hand) musculi lumbricales manus Hand & Wrist The four lumbricals are unique muscles that originate from tendons (the FDP tendons) rather than bone… Muscle Opponens Digiti Minimi musculus opponens digiti minimi Hand & Wrist The opponens digiti minimi is the deepest hypothenar muscle, inserting along the entire fifth metacarpal shaft… Muscle Opponens Digiti Minimi (Hand) musculus opponens digiti minimi manus Hand & Wrist The opponens digiti minimi wraps around the fifth metacarpal to rotate and flex it at the… Muscle Opponens Pollicis musculus opponens pollicis Hand & Wrist The opponens pollicis is the deepest thenar muscle and the one most responsible for the medial… Muscle Opponens Pollicis (Full) musculus opponens pollicis Hand & Wrist The opponens pollicis is the thenar muscle that produces the defining human function of precision pinch… Muscle Palmar Interossei musculi interossei palmares Hand & Wrist The three palmar interossei are unipennate muscles adducting the index, ring, and little fingers toward the… Muscle Palmaris Brevis musculus palmaris brevis Hand & Wrist The palmaris brevis is a small, thin subcutaneous muscle at the medial palm that inserts directly… Muscle Palmaris Brevis musculus palmaris brevis Hand & Wrist The palmaris brevis is the only intrinsic muscle inserting into palm skin, cupping the hypothenar eminence…