| | Gesundheitswissenschaften > | AGB-Behandlungen | Muskelzerrung

Box-Armmuskeln: Schlüsselmuskeln für Schlagkraft und Verteidigung

Effective punching requires a coordinated kinetic chain from the ground up. While the legs and core generate the majority of force, the arm muscles execute the terminal phase of the punch and are critical for speed, stability, and defense.

Primary Arm Muscles in Punching

Muscle	Action	Role in Punch
Triceps brachii	Elbow extension	Drives fist forward – primary accelerator
Anconeus	Elbow extension assist	Stabilizes elbow at full extension
Forearm extensors (ECRB/L, ECU, EDC)	Wrist extension	Locks wrist straight – prevents buckling, transfers force
Forearm flexors (FCR/U, FDS, FDP)	Wrist flexion, grip	Fist clenching on impact; wrist stability in hooks/uppercuts
Biceps brachii	Elbow flexion, supination	Retracts punch (guard return); supinates for straight punches
Brachialis	Elbow flexion	Rapid guard return
Pronator teres/quadratus	Forearm pronation	Rotates fist palm-down (straight punches)
Supinator	Forearm supination	Rotates fist palm-up (uppercuts, some hooks)

Shoulder Girdle (Critical for Power Transfer)

Serratus Anterior: Scapular protraction – extends reach, rotates scapula.
Pectoralis Major/Minor: Horizontal adduction, internal rotation – drives shoulder forward.
Deltoids (Anterior/Lateral): Flexion, abduction – arm elevation and angle.
Rotator Cuff (SITS): Stabilizes humeral head during acceleration.
Latissimus Dorsi: Extension, adduction – pulls arm down/back (cross, guard).
Trapezius (Lower/Middle): Scapular retraction/depression – stable base.

Core and Lower Body (The Real Power Source)

Force generation follows the sequence: leg drive → hip rotation → trunk rotation → scapular protraction → arm extension. Arm muscles contribute roughly 20–30% of total force; legs, hips, and core provide 70–80%.

Training Priorities

Explosive trunk rotation (medicine ball throws, landmine rotations)
Single-leg power (plyometrics)
Scapular control (push-up plus, serratus punches)
Wrist/forearm resilience (roller, rice bucket, eccentrics)
Speed-endurance intervals (heavy bag, shadowboxing)

Muskelzerrung

Gesundheitswissenschaften